Luận văn Khảo sát quy trình chế biến thanh long nước ép dứa đóng hộp

uoäi, loïc vaøo bình ñònh möùc 1000ml, theâm nöôùc caát môùi ñun soâi, ñeå nguoäi ñeán vaïch möùc, laéc ñeàu. Dung dòch naøy baûo quaûn trong tuû laïnh duøng ñöôïc baûy ngaøy. 4.3 Chuaån bò thöû: Ngay tröôùc khi thöû caàn xaùc ñònh ñoä chuaån F cuûa dung dòch Natri – 2,6 D, duøng micro pipet huùt 1ml dung dòch acid ascorbic 0,0001 g/l chuyeån vaøo bình tam giaùc dung tích 50 ml, theâm 14 ml nöôùc caát. Chuaån ñoä dung dòch treân baèng dung dòch Natri – 2,6 D cho ñeán khi xuaát hieän maøu hoàng nhaït beàn trong 30 giaây. 57 Ñoä chuaån cuûa N 2,6 D tính baèng g/ml theo coâng thöùc: F=0,1 x 10 -3 /V Trong ñoù: - V: theå tích dung dòch Na 2,6 D duøng chuaån ñoä, ml. - 0,1 . 10 -3 : khoái löôïng acid ascorbic coù trong 1 ml, mg. 4.4 Tieán haønh thöû: Caân 10g maãu chính xaùc ñeán 0,001 g. Neáu laø maãu loûng thì huùt tröïc tieáp vaøo bình ñònh möùc. Chuyeån maãu vaøo coái söù, theâm 5g caùt thaïch anh saïch, nghieàn nhoû maãu vôùi 15 ml HCl 2%, chuyeån nhanh toaøn boä löôïng maãu vaøo bình ñònh möùc dung tích 100ml, theâm HCl ñeán vaïch möùc, ñeå 10 phuùt trong boùng toái, laéc ñeàu, loïc. Huùt 5 – 10 ml dung dòch loïc cho vaøo bình tam giaùc dung tích 50 ml, theâm nöôùc caát ñeán 15 ml, chuaån ñoä baèng dung dòch Na 2,6 D ñeán khi xuaát hieän maøu hoàng nhaït beàn trong 30 giaây. Thôøi gian chuaån khoâng quaù 2 phuùt. Theå tích dòch chieát laáy sao cho duøng heát 1 – 2 ml dich chuaån. Ñoàng thôøi tieán haønh maãu chuaån kieåm tra. Huùt 5 – 10 ml HCl 2% (töông öùng vôùi löôïng dung dòch loïc laáy ñeå chuaån ñoä) cho vaøo bình tam giaùc dung tích 50 ml. Chuaån ñoä baèng Na 2,6 D cho ñeán khi xuaát hieän maøu hoàng nhaït beàn trong 30 giaây. 5.5 Tính keát quaû: Haøm löôïng vitamin C tính baèng % theo coâng thöùc: X= (X-B).F.V.100 / Y.P Trong ñoù: - X: soá ml Na 2,6 D trung bình khi ñònh chuaån maãu vaät. - B: soá ml Na 2,6 D trung bình khi ñònh chuaån dung dòch ñoái chöùng - F: soá mg vitamin C töông ñöông vôùi 1 ml dung dòch chuaån Na 2,6 D - V: theå tích dòch chieát ban ñaàu - Y: theå tích dòch chieát laáy ñeå ñònh chuaån 58 - P: troïng löôïng maãu vaät caân luùc ñaàu. Phuï luïc 5 Soá lieäu ñieåm chuyeån ñieåm so haøng Thí nghieäm 1 Phuï luïc 5.1 Daïng truï troøn Laëp laïi CQV ÑC A1B1 A1B2 A2B1 A2B2 Laàn 1 A B C D E F G H -0,5 0 -0,5 0 -0,5 -0,5 -0,5 -0,5 0,5 -1,16 -1,16 -1,16 -1,16 -1,16 -1,16 -0,5 -1,16 1,16 1,16 1,16 1,16 1,16 1,16 1,16 1,16 0,5 0,5 0,5 0,5 0,5 0,5 -1,16 0 -0,5 0 -0,5 0 0 0 0 Laàn 2 A B C D E F G H -1,16 0 -1,16 -1,16 -0,5 -1,16 -1,16 -0,5 -0,5 -0,5 0,5 0,5 1,16 0 1,16 0 0,5 1,16 1,16 0 0,5 1,16 0 0,5 0 -1,16 0 -0,5 -1,16 -0,5 0,5 -1,16 1,16 0,5 -0,5 1,16 0 0,5 -0,5 1,16 Laàn 3 A B C D E F G H -1,16 -0,5 -1,16 -1,16 -0,5 -1,16 -1,16 -0,5 -0,5 0 -0,5 -0,5 -1,16 -0,5 -0,5 0 1,16 0,5 1,16 1,16 1,16 05 1,16 1,16 0 -1,16 0 0 0 0 0,5 1,16 0,5 1,16 0,5 0,5 0,5 1,16 0 0,5 X SD -0,67 0,36 -0,35 0,58 0,83 0,19 -0,12 0,45 0,30 0,38 59 Phuï luïc 5 .2 Daïng khoái vuoâng Laëp laïi CQV ÑC A1B1 A1B2 A2B1 A2B2 Laàn 1 A B C D E F G H -1,16 -1,16 -1,16 -1,16 -1,16 -0,5 -0,5 -0,5 0,5 -0,5 0,5 0,5 -0,5 0 -1,16 -1,16 0 1,16 1,16 1,16 1,16 1,16 0,5 1,16 1,16 0 -0,5 -0,5 0,5 -1,16 0 0,5 -0,5 0,5 0 0 0 0,5 1,16 0 Laàn 2 A B C D E F G H -0,5 -0,5 -1,16 -0,5 -1,16 -1,16 -1,16 0 -1,16 0 -0,5 1,160 0 0 0,5 -1,16 1,16 0,5 1,16 0,5 0,5 1,16 1,16 1,16 0 -1,16 0 -1,16 1,16 -0,5 -0,5 -0,5 0,5 1,16 0,5 0 -0,5 0,5 0 0,5 Laàn 3 A B C D E F G H -0,5 -1,16 -1,16 -0,5 -1,16 -1,16 -0,5 -1,16 -1,16 0 0 0,5 -0,5 0 -1,16 0 0,5 1,16 1,16 1,16 0,5 1,16 0 1,16 0 -0,5 -0,5 -1,16 0 0,5 0,5 -0,5 1,16 0,5 0,5 0 0,5 0 1,16 0,5 X SD -0,86 0,08 -0,22 0,07 0,87 0,04 -0,18 0,17 0,36 0,17 60 Phuï luïc 6 Soá lieäu chuyeån ñieåm so haøng thí nghieäm 2 Phuï luïc 6.1 Daïng truï troøn 14 ñoä Brix 16 ñoä Brix 18 ñoä Brix CQV Haïng Ñieåm Haïng Ñieåm Haïng Ñieåm 1 2 3 4 5 6 7 8 3 3 2 2 3 3 1 2 -0,85 -0,85 0 0 -0,85 -0,85 0,85 0 1 2 1 3 1 1 2 1 0,85 0 0,85 -0,85 0,85 0,85 0 0,85 2 1 3 1 2 2 3 3 0 0,85 -0,85 0,85 0 0 -0,85 -0,85 1 2 3 4 5 6 7 8 2 3 3 3 2 1 1 3 0 -0,85 -0,85 -0,85 0 0,85 0,85 -0,85 1 1 1 2 1 3 2 1 0,85 0,85 0,85 0 0,85 -0,85 0 0,85 3 2 2 2 3 2 3 2 -0,85 0 0 0 -0,85 0 -0,85 0 1 2 3 4 5 6 7 8 3 3 3 3 2 2 1 3 -0,85 -0,85 -0,85 -0,85 0 0 0,85 -0,85 2 2 1 2 1 1 2 1 0 0 0,85 0 0,85 0,85 0 0,85 1 1 2 1 3 3 3 2 0,85 0,85 0 0,85 -0,85 -0,85 -0,85 0 X -0,318 0,425 -0,142 SD 0,10 0,0 0,16 61 Phuï luïc 6.2 Daïng khoái vuoâng 14 ñoä Brix 16 ñoä Brix 18 ñoä Brix CQV Haïng Ñieåm Haïng Ñieåm Haïng Ñieåm 1 2 3 4 5 6 7 8 2 2 3 1 3 2 2 1 0 0 -0,85 0,85 -0,85 0 0 0,85 1 1 2 2 2 1 1 2 0,85 0,85 0 0 0 0,85 0,85 0 3 3 1 3 1 3 3 3 -0,85 -0,85 0,85 -0,85 0,85 -0,85 -0,85 -0,85 1 2 3 4 5 6 7 8 2 2 2 1 2 1 2 3 0 0 0 0,85 0 0,85 0 -0,85 3 1 3 2 1 2 1 2 -0,85 0,85 -0,85 0 0,85 0 0,85 0 1 3 1 3 3 3 3 1 0,85 -0,85 0,85 -0,85 -0,85 -0,85 -0,85 0,85 1 2 3 4 5 6 7 8 2 3 2 1 2 3 2 2 0 -0,85 0 0,85 0 -0,85 0 0 1 2 3 2 1 1 1 1 0,85 0 -0,85 0 0,85 0,85 0,85 0,85 3 1 1 3 3 2 3 3 -0,85 0,85 0,85 -0,85 -0,85 0 -0,85 -0,85 X 0,0 0,318 -0,318 SD 0,10 0,18 0,10 62 Phuï luïc 7 Keát quaû caûm quan Thí nghieäm 3 theo TCVN 3215 – 79 Phuï luïc 7.1 Daïng truï troøn Laëp laïi CQ V Nghieäm thöùc 80 0 C 85 0 C 90 0 C MS MV HT ÑT MS MV HT ÑT MS MV HT ÑT Laàn 1 A B C D E F G H 4 4 3 3 2 4 4 5 3 4 4 3 2 3 3 4 4 4 4 3 4 3 4 4 4 3 3 3 3 4 3 4 3 3 2 2 2 3 2 4 2 4 3 3 3 4 3 5 3 3 4 3 3 2 2 4 3 5 3 3 3 3 3 3 3 3 1 2 2 3 2 3 2 4 2 2 3 4 3 3 2 3 4 2 4 3 2 3 3 3 3 3 3 3 3 3 Laàn 2 A B C D E F G H 4 4 3 3 3 4 4 4 4 3 3 3 3 4 3 3 4 4 4 3 3 3 3 2 3 4 3 3 2 3 3 3 3 3 2 3 3 3 3 3 3 3 3 3 3 4 3 3 3 3 3 2 3 4 4 2 2 2 2 4 3 3 3 3 3 3 2 2 2 2 2 2 3 3 3 4 2 3 3 3 3 3 3 2 2 3 2 4 2 3 2 4 3 3 3 2 Laàn 3 A B C D E F G H 4 4 3 4 4 4 4 4 3 4 4 4 3 3 3 4 4 3 4 4 4 4 4 4 4 4 3 4 3 4 3 4 3 3 2 3 3 3 3 4 2 3 3 3 3 4 3 3 4 3 3 3 3 3 4 3 3 4 3 3 3 3 4 3 3 3 2 2 3 3 2 3 3 3 3 3 3 3 3 3 4 4 3 2 3 3 4 4 3 3 3 3 3 3 4 3 Ñieåm trung bình 3,7 5 3,3 8 3,7 1 3,3 3 2,8 3 3,1 7 3,0 8 3,0 8 2,4 2 2,9 6 3,0 2,9 6 Heä soá quan troïng 1,0 1,4 1,2 0,4 1,0 1,4 1,2 0,4 1,0 1,4 1,2 0,4 Ñieåm coù troïng löôïng 3,7 5 4,7 3 4,4 5 1,3 3 2,8 3 4,4 4 3,7 1,2 3 2,4 2 4,1 4 3,6 1,1 8 Ñieåm chung 14,26 12,2 11,34 63 Phuï luïc 7.2 Daïng khoái vuoâng Laëp laïi CQ V Nghieäm thöùc 80 0 C 85 0 C 90 0 C MS MV HT ÑT MS MV HT ÑT MS MV HT ÑT Laàn 1 A B C D E F G H 5 4 4 4 4 4 3 4 3 4 4 4 4 4 2 3 5 4 4 3 4 4 3 4 3 3 3 4 3 3 3 4 4 2 3 3 3 3 3 3 3 4 3 3 3 3 3 3 4 4 3 4 4 4 3 3 4 4 3 4 3 3 3 4 2 3 2 2 2 3 1 3 4 4 3 3 2 4 3 3 3 3 2 3 3 3 2 2 3 4 3 3 3 3 2 2 Laàn 2 A B C D E F G H 4 4 4 4 4 4 3 4 4 4 3 4 4 2 2 3 4 4 4 4 4 3 3 3 4 3 3 3 3 4 3 3 4 4 4 2 3 3 3 4 3 4 3 4 3 4 2 4 3 3 3 4 3 4 3 4 4 3 3 3 3 2 3 3 3 2 3 3 2 2 2 3 4 3 2 3 3 3 2 3 4 2 3 4 2 2 2 3 2 4 3 4 4 3 3 2 Laàn 3 A B C D E F G H 4 3 4 4 4 4 3 4 3 4 4 4 3 3 4 3 4 4 4 3 4 4 3 4 4 3 3 4 4 3 3 4 3 3 4 3 3 3 3 4 4 4 3 3 3 4 2 3 4 4 3 4 4 4 3 4 4 3 4 4 3 3 3 3 3 3 2 3 2 3 3 4 3 3 3 4 2 4 3 3 4 3 3 4 3 4 3 4 3 4 3 4 4 3 4 3 Ñieåm trung bình 3,8 8 3,4 2 3,7 5 3,3 3 3,2 1 3,2 5 3,5 8 3,2 9 2,5 4 3,0 8 3,0 4 3,1 7 Heä soá quan troïng 1,0 1,4 1,2 0,4 1,0 1,4 1,2 0,4 1,0 1,4 1,2 0,4 Ñieåm coù troïng löôïng 3,8 8 4,7 9 4,5 1,3 3 3,2 1 4,5 5 4,3 1,3 2 2,5 4 4,3 1 3,6 5 1,2 7 Ñieåm chung 14,5 13,38 11,77 64 Trong ñoù: CQV: caûm quan vieân MS: maøu saéc MV: muøi vò HT: hình thaùi ÑT: ñoä trong Phuï luïc 8 Keát quaû ño pH trong thí nghieäm 3 Phuï luïc 8.1 Daïng truï troøn 80 0 C/15 phuùt 85 0 C/15 phuùt 90 0 C/15 phuùt Laàn 1 3,95 4,00 3,98 Laàn 2 3,90 4,00 4,04 Laàn 3 4,01 3,95 4,01 X 3,95 3,98 4,01 SD 0,05 0,03 0,03 Phuï luïc 8.2 Daïng khoái vuoâng 80 0 C/15 phuùt 85 0 C/15 phuùt 90 0 C/15 phuùt Laàn 1 3,92 3,98 4,02 Laàn 2 4,00 3,95 3,97 Laàn 3 3,97 4,00 4,00 X 3,96 3,98 4,00 SD 0,04 0,02 0,02 65 Phuï luïc 9 Keát quaû ño haøm löôïng acid trong thí nghieäm 3 Phuï luïc 9.1 Daïng truï troøn 80 0 C/15 phuùt 85 0 C/15 phuùt 90 0 C/15 phuùt Laàn 1 0,23 0,243 0,243 Laàn 2 0,237 0,249 0,236 Laàn 3 0,217 0,224 0,217 X 0,228 0,238 0,232 SD 0,01 0,01 0,01 Phuï luïc 9.2 Daïng khoái vuoâng 80 0 C/15 phuùt 85 0 C/15 phuùt 90 0 C/15 phuùt Laàn 1 0,243 0,224 0,243 Laàn 2 0,20 0,224 0,243 Laàn 3 0,236 0,217 0,224 X 0,223 0,216 0,236 SD 0,02 0,01 0,01 Phuï luïc 10 Keát quaû ño ñoä Brix phaàn caùi trong thí nghieäm 3 Phuï luïc 10.1 Daïng truï troøn 80 0 C/15 phuùt 85 0 C/15 phuùt 90 0 C/15 phuùt Laàn 1 13,1 14,3 13,6 Laàn 2 13,5 14 13,9 Laàn 3 13,4 14,5 14 X 13,33 14,27 13,83 SD 0,20 0,25 0,20 66 Phuï luïc 10.2 Daïng khoái vuoâng 80 0 C/15 phuùt 85 0 C/15 phuùt 90 0 C/15 phuùt Laàn 1 13 13,9 13,1 Laàn 2 13,6 14,2 13,4 Laàn 3 13,7 14,3 13,9 X 13,43 14,13 13,46 SD 0,37 0,20 0,40 Phuï luïc 11. Haøm löôïng vitamin C coøn laïi sau quaù trình xöû lyù nhieät ôû caùc cheá ñoä nhieät trong Thí nghieäm 3 80 0 C/15 phuùt 85 0 C/15 phuùt 90 0 C/15 phuùt Laàn 1 0,633 0,504 0,412 Laàn 2 0,601 0,569 0,316 Laàn 3 0,538 0,475 0,443 X 0,591 0,516 0,39 SD 0,05 0,05 0,07 Phuï luïc 12 Keát quaû ño maøu phaàn caùi cuûa caùc nghieäm thöùc trong Thí nghieäm 3 Phuï luïc 12.1 Daïng truï troøn NT 80 0 C 85 0 C 90 0 C L a b E L a b E L a b E Laàn 1 54,32 -1,07 1,8 11,7 49,23 -1,12 1,84 16,76 59,83 -1,66 9,6 9,65 54,48 -1,53 5,26 11,94 52,26 -1,28 5,38 14,08 52,34 -1,84 4,58 13,93 56,73 -1,67 4 9,538 58,28 -1,44 3,33 7,893 56,95 -1,84 7,34 10,47 Laàn 2 51,2 0,24 3,86 14,81 49,7 0,25 2,17 16,23 60,23 0,09 3,76 5,87 53,21 0,56 2,95 12,74 49,65 0,09 1,38 16,31 56,32 0,63 2,62 9,62 56,6 0,23 4,14 9,496 60,25 0,16 3,1 5,73 58,28 -1,63 6,18 8,75 Laàn 3 51,78 0,13 1,15 14,2 59,86 0,25 4,03 6,292 54,32 0,17 2,14 11,61 57,89 0,14 1,59 8,078 57,89 0,14 1,59 8,078 49,68 -0,34 4,16 16,36 52,77 0,05 2,77 13,17 63,23 -0,05 4,13 3,236 59,1 -0,26 9,12 9,616 X 54,33 -0,32 3,06 11,74 55,59 -0,33 2,994 10,51 56,34 -0,74 5,5 10,65 SD 2,33 0,85 1,37 2,29 5,39 ,072 1,36 5,3 3,6 0,99 2,72 3,04 67 Phuï luïc 12.2 Daïng khoái vuoâng NT 80 0 C 85 0 C 90 0 C L a b E L a b E L a b E Laàn 1 60,28 -1,44 5,63 6,74 59,1 -2,06 9,12 9,87 56,6 0,23 4,14 9,456 53,96 -0,79 2,83 12,02 58,23 -1,79 6,56 8,99 58,64 0,29 4,13 7,499 53,09 -1,37 4,31 13,09 58,28 -1,63 6,18 8,75 53,73 0,21 1,3 12,24 Laàn 2 54,32 0,17 2,14 11,61 56,32 -0,01 2,44 9,62 51,26 0,3 0,22 14,82 51,95 0,18 1,06 14,04 59,3 0,12 2,44 6,63 52,76 -0,05 2,44 13,17 57,15 0,24 1,09 8,872 53,92 0,13 3,82 12,1 52,44 0,06 2,29 13,49 Laàn 3 54,62 0,12 4,13 11,45 59,56 0,15 3,16 6,42 58,23 0,33 2,46 7,70 57,03 -0,07 2,16 8,91 54,36 0,03 4,12 11,7 57,36 0,16 2,09 8,58 53,7 0,05 1,28 12,28 58,23 -1,76 6,56 8,99 54,2 0,12 4,1 11,86 X 55,1 -0,3 2,74 10,99 57,5 -0,8 4,93 9,23 55 0,18 2,57 10,98 SD 2,57 0,69 1,63 2,34 2,11 1,00 2,29 1,93 2.73 0.12 1,36 2,72 Phuï luïc 13 Giaù trò L; a; b; E cuûa phaàn caùi trong thôøi gian baûo quaûn Phuï luïc 13.1 Mieáng caét troøn NT 30 ngaøy 60 ngaøy L a b E L a b E Laàn 1 52,98 0,09 2,18 12,952 56,2 -1,22 2,95 9,85 52,83 0,08 2,19 13,102 54,36 -0,04 2,49 11,574 53,79 0,37 2,68 12,145 52,4 -0,03 0,29 13,692 Laàn 2 57,15 -1,41 3,56 9,014 49,43 -0,06 0,61 16,597 57,05 -1,41 3,43 9,095 52,31 0,15 2,26 13,621 51,95 0,18 1,06 14,041 50,88 0,3 0,67 15,146 Laàn 3 52,61 -0,1 1,58 13,348 53,7 0,12 2,42 12,231 49,37 0,15 1,31 16,594 48,08 0,12 0,67 17,931 50,45 -0,01 0,64 15,579 50,07 0,32 1,33 15,894 X 53,131 -0,23 2,07 12,875 51,94 -0,04 1,52 14,06 SD 2,62 6,68 1,02 2,56 2,58 0,46 1,01 2,59 68 Phuï luïc 13.2 Mieáng caét vuoâng NT 30 ngaøy 60 ngaøy L a b E L a b E Laàn 1 56,79 -1,8 4,69 9,65 57,39 -1,69 6,91 9,86 54,97 -0,04 2,05 10,968 54,36 0,03 4,12 11,704 54,32 -0,65 5,87 12,159 55,65 0,12 5,02 10,618 Laàn 2 50,37 -0,02 0,67 15,65 51,07 0,08 7,34 15,67 49,18 -0,42 5,63 17,077 51,75 0,29 2,95 14,192 49,68 -0,3 2,42 16,259 49,57 0,26 3,62 16,408 Laàn 3 56,63 0,25 3,67 9,39 49,18 -0,46 5,93 17,139 53,23 0,2 1,38 12,739 50,07 0,42 1,53 15,883 54,97 -0,05 2 10,968 47,69 -0,02 0,75 18,314 X 53,35 -0,303 3,15 12,76 51,859 -0,11 4,24 14,421 SD 2,92 0,63 1,89 2,89 3,26 0,64 2,29 3,02 Phuï luïc 14 Söï thay ñoåi ñoä Brix cuûa saûn phaåm theo thôøi gian baûo quaûn Phuï luïc 14.1 Mieáng caét troøn Laëp laïi Dung dich phuû Phaàn caùi 0 ngaøy 30 ngaøy 60 ngaøy 0 ngaøy 30 ngaøy 60 ngaøy Laàn 1 Laàn 2 Laàn 3 15,2 14,8 14,5 14,6 14,6 14,5 14,2 14,2 14,4 13,1 13,5 13,4 13,4 13,9 14 14,3 14,2 14,8 X SD 14,8 0,35 14,6 0,06 14,3 0,12 13,3 0,21 13,8 0,32 14,4 0,32 Phuï luïc 14.2 Mieáng caét vuoâng Laëp laïi Dung dich phuû Phaàn caùi 0 ngaøy 30 ngaøy 60 ngaøy 0 ngaøy 30 ngaøy 60 ngaøy Laàn 1 Laàn 2 Laàn 3 14,9 14,2 14,3 14,0 14,4 13,8 13,9 13,8 13,5 13,6 13,0 13,7 13,7 13,8 14,0 14,6 14,1 13,9 X SD 14,5 0,38 14,1 0,3 13,7 0,21 13,4 0,37 13,8 0,15 14,2 0,36 69 Phuï luïc 15 Ñieåm caûm quan cuûa saûn phaåm sau 1; 2 thaùng baûo quaûn Phuï luïc 15.1 Daïng truï troøn Nghieäm thöùc Laëp laïi CQV 30 ngaøy 60 ngaøy MS MV HT ÑT MS MV HT ÑT Laàn 1 A B C D E F G H 3 4 4 4 3 4 4 4 3 3 3 4 4 3 4 3 4 4 4 4 4 4 4 3 4 3 4 3 3 4 3 3 3 4 4 3 3 3 4 3 3 3 4 4 3 4 3 4 4 4 3 2 3 3 4 2 4 4 3 3 4 3 3 3 Laàn 2 A B C D E F G H 4 2 4 3 2 3 2 4 4 3 4 2 4 2 4 3 4 4 3 4 3 4 3 4 4 2 2 4 3 4 4 3 4 3 4 3 2 2 4 3 3 3 3 4 4 3 4 3 4 3 3 2 3 3 2 2 4 3 3 3 3 4 4 3 Laàn 3 A B C D E F G H 4 3 4 3 3 4 3 4 4 3 3 3 4 3 4 3 4 4 4 4 3 4 4 4 4 3 3 4 3 4 4 3 4 3 4 3 3 2 4 3 3 3 3 4 4 3 3 3 4 3 3 2 3 3 3 2 4 4 3 3 3 3 3 4 Ñieåm trung bình 3,42 3,33 3.875 3,38 3,25 3,25 2,63 3,37 Heä soá quan troïng 1,00 1,40 1,20 0,40 1,00 1,40 1,20 0,40 Ñieåm coù troïng löôïng 3,42 4,66 4,65 1,35 3,25 4,55 3,16 1,35 Ñieåm chung 14,08 12,31 70 Phuï luïc 15.2 Daïng khoái vuoâng Nghieäm thöùc Laëp laïi CQV 30 ngaøy 60 ngaøy MS MV HT ÑT MS MV HT ÑT Laàn 1 A B C D E F G H 3 3 3 4 3 3 3 3 3 4 3 3 3 3 4 3 4 4 4 4 4 4 4 3 4 4 4 3 3 3 3 3 4 3 3 4 3 3 3 3 3 4 3 3 3 3 4 4 3 4 2 2 3 3 4 3 3 4 4 4 3 3 3 4 Laàn 2 A B C D E F G H 3 4 3 3 3 3 3 3 3 3 4 3 3 4 4 3 3 4 4 4 4 4 5 3 4 3 2 3 3 4 4 3 3 3 3 3 3 3 4 3 3 3 4 3 4 3 4 3 3 3 3 3 4 4 3 3 2 3 3 3 4 4 3 3 Laàn 3 A B C D E F G H 3 3 3 3 3 3 3 3 3 4 3 3 3 3 4 2 4 4 4 4 3 4 4 3 3 3 3 3 4 4 3 2 4 3 3 4 3 3 3 4 3 4 4 3 3 3 4 4 3 3 2 3 4 3 3 4 3 4 3 2 4 3 3 3 Ñieåm trung bình 3,08 3,33 3,71 3,25 3,29 3,42 3,13 3,25 Heä soá quan troïng 1,00 1,40 1,20 0,40 1,00 1,40 1,20 0,40 Ñieåm coù troïng löôïng 3,08 4,66 4,45 1,3 3,29 4,75 3,76 1,3 Ñieåm chung 13,49 13,14 71 Phuï luïc 16 Keát quaû xöû lí thoáng keâ Thí nghieäm 1 Phuï luïc 16.1 Baûng ANOVA veà aûnh höôûng cuûa cheá ñoä ngaâm CaCl2 leân keát quaû ñaùnh giaù caûm quan veà caáu truùc Mieáng caét troøn: Analysis of Variance for HTRON.diem - Type III Sums of Squares -------------------------------------------------------------------------------- Source of variation Sum of Squares d.f. Mean square F-ratio Sig. level -------------------------------------------------------------------------------- MAIN EFFECTS A:HTRON.thgian .525104 1 .525104 1.256 .2653 B:HTRON.CaCl2 15.280104 1 15.280104 36.547 .0000 INTERACTIONS AB 3.4126042 1 3.4126042 8.162 .0053 RESIDUAL 38.464883 92 .4180966 -------------------------------------------------------------------------------- TOTAL (CORRECTED) 57.682696 95 -------------------------------------------------------------------------------- 0 missing values have been excluded. All F-ratios are based on the residual mean square error. Mieáng caét vuoâng Analysis of Variance for HVUONG.diem - Type III Sums of Squares -------------------------------------------------------------------------------- Source of variation Sum of Squares d.f. Mean square F-ratio Sig. level -------------------------------------------------------------------------------- MAIN EFFECTS A:HVUONG.tgian 1.485038 1 1.485038 4.596 .0347 B:HVUONG.cacl 16.517004 1 16.517004 51.115 .0000 INTERACTIONS AB 2.0126042 1 2.0126042 6.228 .0144 RESIDUAL 29.728317 92 .3231339 -------------------------------------------------------------------------------- TOTAL (CORRECTED) 49.742963 95 -------------------------------------------------------------------------------- 0 missing values have been excluded. All F-ratios are based on the residual mean square error. 72 Phuï luïc 16.2 Baûng LSD veà aûnh höôûng cuûa söï khaùc bieät giöõa caùc noàng ñoä muoái CaCl2 trong dung dòch ngaâm leân chaát löông caûm quan veà caáu truùc Mieáng caét troøn Multiple range analysis for HTRON.diem by HTRON.CaCl2 -------------------------------------------------------------------------------- Method: 95 Percent LSD Level Count LS Mean Homogeneous Groups -------------------------------------------------------------------------------- 1 48 -.2312500 X 1.5 48 .5666667 X -------------------------------------------------------------------------------- contrast difference limits 1 - 1.5 -0.79792 0.26220 * -------------------------------------------------------------------------------- * denotes a statistically significant difference. Mieáng caét vuoâng Multiple range analysis for HVUONG.diem by HVUONG.cacl -------------------------------------------------------------------------------- Method: 95 Percent LSD Level Count LS Mean Homogeneous Groups -------------------------------------------------------------------------------- 1 48 -.2004167 X 1.5 48 .6291667 X -------------------------------------------------------------------------------- contrast difference limits 1 - 1.5 -0.82958 0.23051 * -------------------------------------------------------------------------------- * denotes a statistically significant difference. Phuï luïc 16.3 Baûng LSD veà aûnh höôûng cuûa söï khaùc bieät thôøi gian ngaâm leân chaát löôïng caûm quan veà caáu truùc cuûa saûn phaåm Mieáng caét troøn Multiple range analysis for HTRON.diem by HTRON.thgian -------------------------------------------------------------------------------- Method: 95 Percent LSD Level Count LS Mean Homogeneous Groups -------------------------------------------------------------------------------- 20 48 .0937500 X 15 48 .2416667 X -------------------------------------------------------------------------------- contrast difference limits 15 - 20 0.14792 0.26220 -------------------------------------------------------------------------------- * denotes a statistically significant difference. 73 Mieáng caét vuoâng Multiple range analysis for HVUONG.diem by HVUONG.tgian -------------------------------------------------------------------------------- Method: 95 Percent LSD Level Count LS Mean Homogeneous Groups -------------------------------------------------------------------------------- 20 48 .0900000 X 15 48 .3387500 X -------------------------------------------------------------------------------- contrast difference limits 15 - 20 0.24875 0.23051 * -------------------------------------------------------------------------------- * denotes a statistically significant difference. Phuï luïc 16.4 Baûng ANOVA veà söï khaùc bieät giöõa nghieäm thöùc ñoái chöùng vaø caùc nghieäm thöùc coù xöû lí ngaâm dung dòch muoái CaCl2 Mieáng caét troøn Analysis of Variance for TRONDC.diem - Type III Sums of Squares -------------------------------------------------------------------------------- Source of variation Sum of Squares d.f. Mean square F-ratio Sig. level -------------------------------------------------------------------------------- MAIN EFFECTS A:TRONDC.nongdo 32.718333 4 8.1795833 21.442 .0000 RESIDUAL 43.870467 115 .3814823 -------------------------------------------------------------------------------- TOTAL (CORRECTED) 76.588800 119 -------------------------------------------------------------------------------- 0 missing values have been excluded. All F-ratios are based on the residual mean square error. Mieáng caét vuoâng Analysis of Variance for VUOGDC.DIEM - Type III Sums of Squares -------------------------------------------------------------------------------- Source of variation Sum of Squares d.f. Mean square F-ratio Sig. level -------------------------------------------------------------------------------- MAIN EFFECTS A:VUOGDC.NONGDO 42.349087 4 10.587272 37.014 .0000 RESIDUAL 32.893900 115 .2860339 -------------------------------------------------------------------------------- TOTAL (CORRECTED) 75.242987 119 -------------------------------------------------------------------------------- 0 missing values have been excluded. All F-ratios are based on the residual mean square error. 74 Phuï luïc 16.5 Baûng so saùnh LSD veà söï khaùc bieät giöõa caùc nghieäm thöùc Mieáng caét troøn Multiple range analysis for TRONDC.diem by TRONDC.nongdo -------------------------------------------------------------------------------- Method: 95 Percent LSD Level Count LS Mean Homogeneous Groups -------------------------------------------------------------------------------- DC 24 -.6708333 X A1B1 24 -.3458333 XX A2B1 24 -.1166667 X A2B2 24 .3041667 X A1B2 24 .8291667 X -------------------------------------------------------------------------------- contrast difference limits DC - A1B1 -0.32500 0.35325 DC - A1B2 -1.50000 0.35325 * DC - A2B1 -0.55417 0.35325 * DC - A2B2 -0.97500 0.35325 * A1B1 - A1B2 -1.17500 0.35325 * A1B1 - A2B1 -0.22917 0.35325 A1B1 - A2B2 -0.65000 0.35325 * A1B2 - A2B1 0.94583 0.35325 * A1B2 - A2B2 0.52500 0.35325 * A2B1 - A2B2 -0.42083 0.35325 * -------------------------------------------------------------------------------- * denotes a statistically significant difference. Mieáng caét vuoâng Multiple range analysis for VUOGDC.DIEM by VUOGDC.NONGDO -------------------------------------------------------------------------------- Method: 95 Percent LSD Level Count LS Mean Homogeneous Groups -------------------------------------------------------------------------------- DC 24 -.8641667 X A1B1 24 -.2208333 X A2B1 24 -.1800000 X A2B2 24 .3600000 X A1B2 24 .8983333 X -------------------------------------------------------------------------------- contrast difference limits DC - A1B1 -0.64333 0.30588 * DC - A1B2 -1.76250 0.30588 * DC - A2B1 -0.68417 0.30588 * DC - A2B2 -1.22417 0.30588 * A1B1 - A1B2 -1.11917 0.30588 * A1B1 - A2B1 -0.04083 0.30588 A1B1 - A2B2 -0.58083 0.30588 * A1B2 - A2B1 1.07833 0.30588 * A1B2 - A2B2 0.53833 0.30588 * A2B1 - A2B2 -0.54000 0.30588 * -------------------------------------------------------------------------------- * denotes a statistically significant difference. 75 Phuï luïc 16.6 Baûng ANOVA veà söï khaùc bieät caáu truùc giöõa 2 daïng mieáng caét Analysis of variance -------------------------------------------------------------------------------- Source of variation Sum of Squares d.f. Mean square F-ratio Sig. level -------------------------------------------------------------------------------- Between groups .168033 1 .1680333 .279 .6057 Within groups 27.730067 46 .6028275 -------------------------------------------------------------------------------- Total (corrected) 27.898100 47 0 missing value(s) have been excluded. Phuï luïc 17 Keát quaû xöû lí thoáng keâ thí nghieäm 2 Phuï luïc 17.1 Baûng ANOVA veà söï khaùc bieät giöõa noàng ñoä ñöôøng trong dung dòch phuû leân chaát löôïng caûm quan veà vò cuûa saûn phaåm Daïng truï troøn Analysis of Variance for TN2TRON.diem - Type III Sums of Squares -------------------------------------------------------------------------------- Source of variation Sum of Squares d.f. Mean square F-ratio Sig. level -------------------------------------------------------------------------------- MAIN EFFECTS A:TN2TRON.duong 7.2450694 2 3.6225347 8.433 .0006 B:TN2TRON.cqv .0702431 7 .0100347 .023 1.0000 RESIDUAL 26.632153 62 .4295509 -------------------------------------------------------------------------------- TOTAL (CORRECTED) 33.947465 71 -------------------------------------------------------------------------------- 0 missing values have been excluded. All F-ratios are based on the residual mean square error. Daïng khoái vuoâng Analysis of Variance for TN2VUG.kqua - Type III Sums of Squares -------------------------------------------------------------------------------- Source of variation Sum of Squares d.f. Mean square F-ratio Sig. level -------------------------------------------------------------------------------- MAIN EFFECTS A:TN2VUG.duong 4.8768750 2 2.4384375 5.073 .0091 B:TN2VUG.cqv .0000000 7 .0000000 .000 1.0000 RESIDUAL 29.803125 62 .4806956 -------------------------------------------------------------------------------- TOTAL (CORRECTED) 34.680000 71 -------------------------------------------------------------------------------- 0 missing values have been excluded. All F-ratios are based on the residual mean square error. 76 Phuï luïc 17.2 Baûng traéc nghieäm LSD veà aûnh höôûng cuûa söï khaùc bieät giöõa noàng ñoä ñöôøng trong dung dòch phuû leân chaát löôïng caûm quan veà vò cuûa saûn phaåm Daïng truï troøn Multiple range analysis for TN2TRON.diem by TN2TRON.duong -------------------------------------------------------------------------------- Method: 95 Percent LSD Level Count LS Mean Homogeneous Groups -------------------------------------------------------------------------------- 14 24 -.3187500 X 18 24 -.1416667 X 16 24 .4250000 X -------------------------------------------------------------------------------- contrast difference limits 14 - 16 -0.74375 0.37829 * 14 - 18 -0.17708 0.37829 16 - 18 0.56667 0.37829 * -------------------------------------------------------------------------------- * denotes a statistically significant difference. Daïng khoái vuoâng Multiple range analysis for TN2VUG.kqua by TN2VUG.duong -------------------------------------------------------------------------------- Method: 95 Percent LSD Level Count LS Mean Homogeneous Groups -------------------------------------------------------------------------------- 18 24 -.3187500 X 14 24 .0000000 XX 16 24 .3187500 X -------------------------------------------------------------------------------- contrast difference limits 14 - 16 -0.31875 0.40017 14 - 18 0.31875 0.40017 16 - 18 0.63750 0.40017 * -------------------------------------------------------------------------------- * denotes a statistically significant difference. Phuï luïc 17.3 Baûng ANOVA veà söï khaùc bieät veà vò giöõa 2 daïng mieáng caét Analysis of variance -------------------------------------------------------------------------------- Source of variation Sum of Squares d.f. Mean square F-ratio Sig. level -------------------------------------------------------------------------------- Between groups .135469 1 .1354687 .399 .5375 Within groups 15.624063 46 .3396535 -------------------------------------------------------------------------------- Total (corrected) 15.759531 47 0 missing value(s) have been excluded. 77 Phuï luïc 18 Keát quûa xöû lí thoáng keâ Thí nghieäm 3 Phuï luïc 18.1 Baûng ANOVA veà aûnh höôûng cuûa cheá ñoä nhieät leân ñieåm caûm quan veà maøu saéc cuûa saûn phaåm Mieáng caét troøn Analysis of Variance for TRON.msdiem - Type III Sums of Squares -------------------------------------------------------------------------------- Source of variation Sum of Squares d.f. Mean square F-ratio Sig. level -------------------------------------------------------------------------------- MAIN EFFECTS A:TRON.mschedo 20.861111 2 10.430556 56.922 .0000 B:TRON.mscqv 12.763889 7 1.823413 9.951 .0000 RESIDUAL 11.361111 62 .1832437 -------------------------------------------------------------------------------- TOTAL (CORRECTED) 44.986111 71 -------------------------------------------------------------------------------- 0 missing values have been excluded. All F-ratios are based on the residual mean square error. Mieáng caét vuoâng Analysis of Variance for VUONG1.msdiem - Type III Sums of Squares -------------------------------------------------------------------------------- Source of variation Sum of Squares d.f. Mean square F-ratio Sig. level -------------------------------------------------------------------------------- MAIN EFFECTS A:VUONG1.mschedo 21.333333 2 10.666667 40.767 .0000 B:VUONG1.mscqv 6.319444 7 .902778 3.450 .0035 RESIDUAL 16.222222 62 .2616487 -------------------------------------------------------------------------------- TOTAL (CORRECTED) 43.875000 71 -------------------------------------------------------------------------------- 0 missing values have been excluded. All F-ratios are based on the residual mean square error. Phuï luïc 18.2 Baûng LSD veà söï khaùc bieät giöõa caùc cheá ñoä nhieät leân ñieåm caûm quan veà maøu saéc cuûa saûn phaåm Mieáng caét troøn Multiple range analysis for TRON.msdiem by TRON.mschedo -------------------------------------------------------------------------------- Method: 95 Percent LSD Level Count LS Mean Homogeneous Groups -------------------------------------------------------------------------------- 90 24 2.4166667 X 85 24 2.8333333 X 80 24 3.7083333 X -------------------------------------------------------------------------------- contrast difference limits 80 - 85 0.87500 0.24708 * 80 - 90 1.29167 0.24708 * 85 - 90 0.41667 0.24708 * -------------------------------------------------------------------------------- denotes a statistically significant difference. 78 Mieáng caét vuoâng Multiple range analysis for VUONG1.msdiem by VUONG1.mschedo -------------------------------------------------------------------------------- Method: 95 Percent LSD Level Count LS Mean Homogeneous Groups -------------------------------------------------------------------------------- 90 24 2.5416667 X 85 24 3.2083333 X 80 24 3.8750000 X -------------------------------------------------------------------------------- contrast difference limits 80 - 85 0.66667 0.29524 * 80 - 90 1.33333 0.29524 * 85 - 90 0.66667 0.29524 * -------------------------------------------------------------------------------- * denotes a statistically significant difference. Phuï luïc 18.3 Baûng ANOVA veà aûnh höôûng cuûa cheá ñoä nhieät leân giaù trò E cuûa phaàn caùi saûn phaåm Mieáng caét troøn Analysis of variance -------------------------------------------------------------------------------- Source of variation Sum of Squares d.f. Mean square F-ratio Sig. level -------------------------------------------------------------------------------- Between groups 8.10005 2 4.050026 .286 .7540 Within groups 340.26622 24 14.177759 -------------------------------------------------------------------------------- Total (corrected) 348.36627 26 0 missing value(s) have been excluded. Mieáng caét vuoâng Analysis of variance -------------------------------------------------------------------------------- Source of variation Sum of Squares d.f. Mean square F-ratio Sig. level -------------------------------------------------------------------------------- Between groups 121.74482 2 60.872411 13.314 .0001 Within groups 109.73264 24 4.572194 -------------------------------------------------------------------------------- Total (corrected) 231.47747 26 79 Phuï luïc 18.4 Baûng ANOVA veà aûnh höôûng cuûa cheá ñoä nhieät leân ñieåm caûm quan veà muøi vò cuûa saûn phaåm Mieáng caét troøn Analysis of Variance for TRON2.mvdiem - Type III Sums of Squares -------------------------------------------------------------------------------- Source of variation Sum of Squares d.f. Mean square F-ratio Sig. level -------------------------------------------------------------------------------- MAIN EFFECTS A:TRON2.mvchedo 1.6944444 2 .8472222 2.941 .0602 B:TRON2.mvcqv 5.7638889 7 .8234127 2.858 .0119 RESIDUAL 17.861111 62 .2880824 -------------------------------------------------------------------------------- TOTAL (CORRECTED) 25.319444 71 -------------------------------------------------------------------------------- 0 missing values have been excluded. All F-ratios are based on the residual mean square error. Mieáng caét vuoâng Analysis of Variance for VUONG2.mvdiem - Type III Sums of Squares -------------------------------------------------------------------------------- Source of variation Sum of Squares d.f. Mean square F-ratio Sig. level -------------------------------------------------------------------------------- MAIN EFFECTS A:VUONG2.mvchedo 1.3333333 2 .6666667 1.979 .1469 B:VUONG2.mvcqv 9.2777778 7 1.3253968 3.934 .0013 RESIDUAL 20.888889 62 .3369176 -------------------------------------------------------------------------------- TOTAL (CORRECTED) 31.500000 71 -------------------------------------------------------------------------------- 0 missing values have been excluded. All F-ratios are based on the residual mean square error. 80 Phuï luïc 18.5 Baûng LSD veà söï khaùc bieät giöõa caùc cheá ñoä nhieät leân ñieåm caûm quan veà muøi vò cuûa saûn phaåm Mieáng caét troøn Multiple range analysis for TRON2.mvdiem by TRON2.mvchedo -------------------------------------------------------------------------------- Method: 95 Percent LSD Level Count LS Mean Homogeneous Groups -------------------------------------------------------------------------------- 90 24 2.9583333 X 85 24 3.1666667 XX 80 24 3.3333333 X -------------------------------------------------------------------------------- contrast difference limits 80 - 85 0.16667 0.30979 80 - 90 0.37500 0.30979 * 85 - 90 0.20833 0.30979 -------------------------------------------------------------------------------- denotes a statistically significant difference. Mieáng caét vuoâng Multiple range analysis for VUONG2.mvdiem by VUONG2.mvchedo -------------------------------------------------------------------------------- Method: 95 Percent LSD Level Count LS Mean Homogeneous Groups -------------------------------------------------------------------------------- 90 24 3.0833333 X 85 24 3.2500000 X 80 24 3.4166667 X -------------------------------------------------------------------------------- contrast difference limits 80 - 85 0.16667 0.33502 80 - 90 0.33333 0.33502 85 - 90 0.16667 0.33502 -------------------------------------------------------------------------------- * denotes a statistically significant difference. 81 Phuï luïc 18.6 Baûng ANOVA veà aûnh höôûng cuûa cheá ñoä nhieät leân ñieåm caûm quan veà traïng thaùi cuûa saûn phaåm Mieáng caét troøn Analysis of Variance for TRON3.htdiem - Type III Sums of Squares -------------------------------------------------------------------------------- Source of variation Sum of Squares d.f. Mean square F-ratio Sig. level -------------------------------------------------------------------------------- MAIN EFFECTS A:TRON3.htchedo 4.7777778 2 2.3888889 5.486 .0064 B:TRON3.htcqv 4.6666667 7 .6666667 1.531 .1736 RESIDUAL 27.000000 62 .4354839 -------------------------------------------------------------------------------- TOTAL (CORRECTED) 36.444444 71 -------------------------------------------------------------------------------- 0 missing values have been excluded. All F-ratios are based on the residual mean square error. Mieáng caét vuoâng Analysis of Variance for VUONG3.htdiem - Type III Sums of Squares -------------------------------------------------------------------------------- Source of variation Sum of Squares d.f. Mean square F-ratio Sig. level -------------------------------------------------------------------------------- MAIN EFFECTS A:VUONG3.htchedo 6.5833333 2 3.2916667 11.149 .0001 B:VUONG3.htcqv 6.9861111 7 .9980159 3.380 .0040 RESIDUAL 18.305556 62 .2952509 -------------------------------------------------------------------------------- TOTAL (CORRECTED) 31.875000 71 -------------------------------------------------------------------------------- 0 missing values have been excluded. All F-ratios are based on the residual mean square error. Phuï luïc 18.7 Baûng LSD veà söï khaùc bieät giöõa caùc cheá ñoä nhieät leân ñieåm caûm quan veà traïng thaùi cuûa saûn phaåm Mieáng caét troøn Multiple range analysis for TRON3.htdiem by TRON3.htchedo -------------------------------------------------------------------------------- Method: 95 Percent LSD Level Count LS Mean Homogeneous Groups -------------------------------------------------------------------------------- 90 24 3.0000000 X 85 24 3.0833333 X 80 24 3.5833333 X -------------------------------------------------------------------------------- contrast difference limits 80 - 85 0.50000 0.38089 * 80 - 90 0.58333 0.38089 * 85 - 90 0.08333 0.38089 -------------------------------------------------------------------------------- * denotes a statistically significant difference. 82 Mieáng caét vuoâng Multiple range analysis for VUONG3.htdiem by VUONG3.htchedo -------------------------------------------------------------------------------- Method: 95 Percent LSD Level Count LS Mean Homogeneous Groups -------------------------------------------------------------------------------- 90 24 3.0416667 X 85 24 3.5833333 X 80 24 3.7500000 X -------------------------------------------------------------------------------- contrast difference limits 80 - 85 0.16667 0.31362 80 - 90 0.70833 0.31362 * 85 - 90 0.54167 0.31362 * -------------------------------------------------------------------------------- * denotes a statistically significant difference. APhuï luïc 18.8 Baûng ANOVA veà aûnh höôûng cuûa cheá ñoä nhieät leân ñieåm caûm quan veà ñoä trong cuûa saûn phaåm Mieáng caét troøn Analysis of Variance for TRON4.dtdiem - Type III Sums of Squares -------------------------------------------------------------------------------- Source of variation Sum of Squares d.f. Mean square F-ratio Sig. level -------------------------------------------------------------------------------- MAIN EFFECTS A:TRON4.dtchedo 1.7500000 2 .8750000 2.868 .0644 B:TRON4.dtcqv 3.2083333 7 .4583333 1.502 .1832 RESIDUAL 18.916667 62 .3051075 -------------------------------------------------------------------------------- TOTAL (CORRECTED) 23.875000 71 -------------------------------------------------------------------------------- 0 missing values have been excluded. All F-ratios are based on the residual mean square error. Mieáng caét vuoâng Analysis of Variance for VUONG4.dtdiem - Type III Sums of Squares -------------------------------------------------------------------------------- Source of variation Sum of Squares d.f. Mean square F-ratio Sig. level -------------------------------------------------------------------------------- MAIN EFFECTS A:VUONG4.dtchedo .3611111 2 .1805556 .564 .5720 B:VUONG4.dtcqv 3.7638889 7 .5376984 1.679 .1309 RESIDUAL 19.861111 62 .3203405 -------------------------------------------------------------------------------- TOTAL (CORRECTED) 23.986111 71 -------------------------------------------------------------------------------- 0 missing values have been excluded. All F-ratios are based on the residual mean square error. 83 Phuï luïc 18.9 Baûng LSD veà söï khaùc bieät giöõa caùc cheá ñoä nhieät leân ñieåm caûm quan veà ñoä trong cuûa saûn phaåm Mieáng caét troøn Multiple range analysis for TRON4.dtdiem by TRON4.dtchedo -------------------------------------------------------------------------------- Method: 95 Percent LSD Level Count LS Mean Homogeneous Groups -------------------------------------------------------------------------------- 90 24 2.9583333 X 85 24 3.0833333 XX 80 24 3.3333333 X -------------------------------------------------------------------------------- contrast difference limits 80 - 85 0.25000 0.31882 80 - 90 0.37500 0.31882 * 85 - 90 0.12500 0.31882 -------------------------------------------------------------------------------- * denotes a statistically significant difference. Mieáng caét vuoâng Multiple range analysis for VUONG4.dtdiem by VUONG4.dtchedo -------------------------------------------------------------------------------- Method: 95 Percent LSD Level Count LS Mean Homogeneous Groups -------------------------------------------------------------------------------- 90 24 3.1666667 X 85 24 3.2916667 X 80 24 3.3333333 X -------------------------------------------------------------------------------- contrast difference limits 80 - 85 0.04167 0.32668 80 - 90 0.16667 0.32668 85 - 90 0.12500 0.32668 -------------------------------------------------------------------------------- * denotes a statistically significant difference. Phuï luïc 19 Keát quaû phaân tích thoáng keâ haøm löôïng vitamin C coøn laïi sau quaù trình xöû lí nhieät Phuï luïc 19.1 Baûng ANOVA veà aûnh höôûng cuûa caùc cheá ñoä nhieät leân haøm löôïng vitamin C coøn laïi sau quaù trình xöû lí nhieät Analysis of variance -------------------------------------------------------------------------------- Source of variation Sum of Squares d.f. Mean square F-ratio Sig. level -------------------------------------------------------------------------------- Between groups .0615007 2 .0307503 10.207 .0117 Within groups .0180753 6 .0030126 -------------------------------------------------------------------------------- Total (corrected) .0795760 8 0 missing value(s) have been excluded. 84 Phuï luïc 19.2 Baûng so saùnh LSD giöõa caùc nghieäm thöùc Multiple range analysis for VITAMINC.ketqua by VITAMINC.nhiet -------------------------------------------------------------------------------- Method: 95 Percent LSD Level Count Average Homogeneous Groups -------------------------------------------------------------------------------- 90 3 .3903333 X 85 3 .5160000 X 80 3 .5906667 X -------------------------------------------------------------------------------- contrast difference limits 80 - 85 0.07467 0.10969 80 - 90 0.20033 0.10969 * 85 - 90 0.12567 0.10969 * -------------------------------------------------------------------------------- * denotes a statistically significant difference. Phuï luïc 20.1 Baûng ANOVA veà aûnh höôûng cuûa thôøi gian baûo quaûn leân giaù trò E cuûa phaàn caùi saûn phaåm Daïng truï troøn Analysis of variance -------------------------------------------------------------------------------- Source of variation Sum of Squares d.f. Mean square F-ratio Sig. level -------------------------------------------------------------------------------- Between groups 24.18775 2 12.093875 1.962 .1624 Within groups 147.91115 24 6.162965 -------------------------------------------------------------------------------- Total (corrected) 172.09890 26 0 missing value(s) have been excluded. Daïng vuoâng Analysis of variance -------------------------------------------------------------------------------- Source of variation Sum of Squares d.f. Mean square F-ratio Sig. level -------------------------------------------------------------------------------- Between groups 52.63579 2 26.317897 3.436 .0487 Within groups 183.84053 24 7.660022 -------------------------------------------------------------------------------- Total (corrected) 236.47633 26 0 missing value(s) have been excluded. 85 Phuï luïc 20.2 Baûng so saùnh LSD veà aûnh höôûng cuûa thôøi gian baûo quaûn eân giaù E trò cuûa phaàn caùi saûn phaåm Daïng vuoâng Multiple range analysis for VUGBQUAN.E by VUGBQUAN.TYHOIGIAN -------------------------------------------------------------------------------- Method: 95 Percent LSD Level Count Average Homogeneous Groups -------------------------------------------------------------------------------- 0 9 11.001333 X 30 9 12.762222 XX 60 9 14.420889 X -------------------------------------------------------------------------------- contrast difference limits 0 - 30 -1.76089 2.69340 0 - 60 -3.41956 2.69340 * 30 - 60 -1.65867 2.69340 -------------------------------------------------------------------------------- * denotes a statistically significant difference. Phuï luïc 21 Baûng ANOVA veà aûnh höôûng cuûa thôøi gian baûo quaûn leân ñieåm caûm quan cuûa saûn phaåm Daïng truï troøn Analysis of variance -------------------------------------------------------------------------------- Source of variation Sum of Squares d.f. Mean square F-ratio Sig. level -------------------------------------------------------------------------------- Between groups .580650 2 .2903250 .133 .8772 Within groups 19.654375 9 2.1838194 -------------------------------------------------------------------------------- Total (corrected) 20.235025 11 0 missing value(s) have been excluded. Daïng vuoâng Analysis of variance -------------------------------------------------------------------------------- Source of variation Sum of Squares d.f. Mean square F-ratio Sig. level -------------------------------------------------------------------------------- Between groups .249350 2 .1246750 .053 .9485 Within groups 21.085275 9 2.3428083 -------------------------------------------------------------------------------- Total (corrected) 21.334625 11 0 missing value(s) have been excluded. 86 Phuï luïc 22 Keát quaû kieåm tra caùc chæ tieâu vi sinh sau 15 ngaøy baûo oân