Khảo sát quy trình chế biến bánh dẻo trà xanh nhân đậu

- T R l T d N G DAI H O C AN G I A N G K H O A NONG N G H I E P & T A I N G U Y E N T H I E N N H I E N B O MON C O N G N G H E T H l T C P H A M C A O T H A O NHlT z r K H A O SAT QUY TRINH C H E BIEN BANH D E O T R A XANH NHAN DAU BAO C A O K H O A L U A N T O T N G H I E P D A I H O C Nganh hoc: Cong Nghe Thuc Pham Can bo hirdng dan: ThS Phan Uyen Nguyen K H O A H O C : 2009 - 2013 TRL/ONG DAI HOC AN GIANG THU VIE N An Giang, Thang 05.2012 TRUCfNG DAI H O C AN G I A N G K H O A NONG N G H I E P & T A I N G U Y E N T H I E N N H I E N BO MON C O N G N G H E T H l f C PHAM K H A O SAT Q U Y TRINH C H E B I E N BANH D E O T R A XANH NHAN DAU Do sinh vien: C A O T H A O NHET thuc hien va de nap Kinh trinh hoi dong cham luan van tot nghiep xet duyet Long Xuyen, 03 thang 05 nam 2013 C A N B O H l T d N G DAN ThS PHAN U Y E N N G U Y E N Loi cam ta Qua thai gian hoc tap tai trucmg va hon ba thang thuc hien de tai khoa luan vira qua da giup toi hoc hoi dugc nhung kien thuc co ban ciia nganh cung nhu kinh nghiem thuc te qua trinh nghien cuu va che bien De co dugc ket qua toi xin tran trgng gui loi cam on den: Cac Thay Co Trucmg Dai hgc A n Giang dac biet la Thay Co Bo mon Cong Nghe Thuc Pham da truyen dat cho toi nhung kien thuc that quy bau ve chuyen nganh suot thai gian qua Toi chan cam on Thay Phan Uyen Nguyen da rat nhiet tinh hudng dan va giup de toi co the hoan tot de tai Toi chan cam on cac Thay Co phdng thi nghiem Bp mon Cong Nghe Thuc Pham da tan tinh giiip va tao dieu kien tot nhat cho toi thuc hien de tai Xin cam on tat ca cac ban sinh vien ldp DH10TP da nhiet tinh gop y va giiip de toi hoan tot de tai khoa luan Toi xin chan cam on Long Xuyen, 30 thang 04 nam 2013 Sinh vien thuc hien Cao Thao N h u Muc luc Noi dung Trang Loi cam ta i Muc luc u Danh sach bang iv Danh sach hinh v Tom luge vi Chircrng Gidi thieu 1.1 Dat van de 1.2 Muc tieu nghien ciru 1.3 Noi dung nghien cuu Chirong L u y c khao tai lieu 2.1 Tong quan ve nguyen lieu 2.1.1 Botnep 2.1.2 Bot tra xanh 10 2.1.3 Dau xanh 13 2.1.4 Sau rieng 15 2.1.5 Dira 16 2.2 Cac phu gia (hoa chat) sir dung nghien cuu 17 2.2.1 Dudng Saccharose 17 2.2.2 Nude 18 2.3 Cac qua trinh, nguyen ly che bien va bao quan co lien quan 18 2.3.1 Qua trinh phoi che 18 2.3.2 Qua trinh dun ndng 19 2.3.3 Qua trinh tao hinh 19 2.4 Bao bi PE (Polyethylen) 19 2.4.1 Gidi thieu 19 2.4.2 Tinh chat va cong dung 19 Chirong Phirong tien va phuroig phap nghien ciru 21 3.1 Phuong tien nghien cuu 21 3.1.1 Dia diem va thai gian nghien cuu 21 ii 3.1.2 Nguyen vat lieu, thiet bi can cho thi nghiem 21 3.2 Phucmg phap nghien cuu 21 3.2.1 Phuorng phap thu nhap va x u ly so lieu 21 3.2.2 Quy trinh che bien du kien 22 3.2.3 Thuyet minh quy trinh 22 3.2.4 Noi dung bo tri thi nghiem 24 3.2.4.1 Thi nghiem 1: Khao sat anh hudng cua ty le phoi che dudng va nude den chat lugng va gia tri cam quan ciia vd banh 24 3.2.4.2 Thi nghiem 2: Khao sat anh hudng ciia ty le phoi che bdt tra xanh den gia tri cam quan ciia vd banh 25 3.2.4.3 Thi nghiem 3: Khao sat anh hudng ciia ty le phoi che dudng va nude cot dira den chat lugng ciia nhan banh 26 3.2.4.4 Thi nghiem 4: Khao sat anh hudng ciia ty le phoi che sau rieng den chat lugng va gia tri cam quan ciia nhan banh 28 3.3.4.5 Phan tich phan hoa hgc ciia san pham 29 Chinmg Ket qua va thao luan 30 4.1 Anh hudng cua ty le phoi che dudng va nude den chat lugng va gia tri cam quan cua vd banh 30 4.2 Anh hudng cua ty le phoi che bot tra xanh den gia tri cam quan ciia vd banh 34 4.3 Anh hudng ciia ty le phoi che dudng va nude cot dira den chat lugng va gia tri cam quan ciia nhan banh 35 4.4 Anh hudng ciia ty le phoi che sau rieng den gia trj cam quan ciia vd banh 39 4.5 Phan tich phan hoa hgc ciia san pham 40 Chirong Ket luan va khuyen ngh| 41 5.1 Ket luan 41 5.2 Khuyen nghi 42 Tai lieu tham khao 43 Phu chirong pel Phu chuong A pel Phu chuong B pc3 Phu chuong C pc6 Phu chuong D pel4 iii Danh sach bang Stt Noi dung Bang 1: Thanh phan hoa hoc ciia gao nep Trang : Bang 2: Thanh phan amyloza va amylopectin ciia mot so thuc pham giau tinh bot Bang 3: Thanh phan hoa hoc ciia la tra xanh 12 Bang 4: Thanh phan hoa hoc ciia dau xanh 13 Bang 5: Ham lugng cac vitamin dau xanh 14 Bang 6: Ham lugng cac acid amin dau xanh 14 Bang 7: Ham lugng cac chat khoang dau xanh 15 Bang 8: Ham lugng cac chat co lOOg sau rieng 16 Bang 9: Thanh phan hoa hgc ciia com dira kho (tinh theo % chat kho) 17 Bang 10: Chi tieu chat lugng dudng 17 Bang 11: Phucrng phap phan tich cac chi tieu 22 Bang 12: Su anh hudng cua ty le dudng den ket qua cam quan ciia vd banh 30 Bang 13: Su anh hudng ciia ty le nude den ket qua gia trj cam quan ciia vd banh 31 Bang 14: Ket qua danh gia cam quan vd banh theo ty le dudng va nude khac 33 Bang 15: Sir anh hudng ciia ty le bot tra xanh den ket qua cam quan ciia vd banh 34 Bang 16: Sir anh hudng ciia ty le dudng den ket qua cam quan ciia nhan banh 35 Bang 17: Su anh hudng ciia ty le nude cot dira den ket qua cam quan cua nhan banh 36 Bang 18: Ket qua danh gia cam quan nhan banh theo ty le dudng va nude cot dira khac 38 Bang 19: Sir anh hudng ciia ty le sau rieng den ket qua cam quan ciia nhan banh 39 Bang 20: Thanh phan hoa hoc ciia san pham 40 Bang 21: Danh gia cam quan ve cau tnic, mau sac, miii, v i va muc ua thich ciia nhan banh thi nghiem pc6 Bang 22: Danh gia cam quan ve cau tnic, mau sac, miii, vi va muc ua thich ciia nhan banh thi nghiem pc8 Bang 23: Danh gia cam quan ve cau tnic, mau sac, miii, vi va mire ua thich cua nhan banh thi nghiem pclO Bang 24: Danh gia cam quan ve cau tnic, mau sac, miii, v i va muc ua thich ciia nhan banh thi nghiem pel2 iv Danh sach hinh Stt Noi dung Trang Hinh 1: Cay luanep Hinh 2: Bot nep Hinh 3: Ciu tao phan tir amylose Hinh 4: Cau tao phan t u amylopectin Hinh 5: Bot banh deo Sanh K y 10 Hinh 6: Bot tra xanh H Hinh 7: Dau xanh 13 Hinh 8: Sau rieng 15 Hinh 9: Quy trinh che bien du kien 22 Hinh 10: Sa bo tri thi nghiem 24 Hinh 11: Sa bo tri thi nghiem 25 Hinh 12: Sa d6 bo tri thi nghiem 27 Hinh 13: Sa bo tri thi nghiem 28 Hinh 14 : Quy trinh che bien banh deo tra xanh nhan dau 41 v Tom liroc Banh deo la mot san pham truyen thong ciia ngudi dan Viet Nam va dirge ua chuong bdi su da dang ve chiing loai Banh hap dan ngudi an bdi su trang trong, mem mai va deo thorm ciia vd banh cung vdi da dang cua nhan banh Khi thi hieu cang cao ciia ngudi tieu dung thi viec nghien cuu san pham banh deo mdi ve miii v i cung nhu chat lugng tot va an toan ve sinh la can thiet V d i ly tren cung nhu y mudn da dang hoa san pham, de tai tap trung nghien cuu cac noi dung sau: - Khao sat anh hudng ciia ty le phoi che dudng va nude den chat lugng va gia tri cam quan ciia vd banh, vdi ty le dudng 70, 80, 90 va 100% va ty le nude 80, 90 va 100% - Khao sat anh hudng ciia ty le phoi che bot tra xanh den gia tri cam quan ciia vd banh, vdi ty le bot tra xanh 1, 3, va 7% - Khao sat anh hudng ciia ty le phoi che dudng va nude cot dira den chat lugng va gia tri cam quan ciia nhan banh, vdi ty le dudng 15, 25, 35 va 45% va ty le nude cot dira 10, 20, 30 va 40% - Khao sat anh hudng cua ty le phoi che sau rieng den gia tri cam quan ciia nhan banh, vdi ty le sau rieng 10, 20, 30 va 40% Sau qua trinh thi nghiem thu dugc ket qua: - Ty le dudng 90% va nude 90% la thich hgp vd banh co chat lugng tot - Ty le bot tra xanh 3% la thich hgp cho vd banh co gia tri cam quan tot - Ty le dudng 25% va nude cot dira 30% la thich hgp nhan banh co chat lugng tot - Ty le sau rieng 20% la thich hgp cho nhan banh co gia trj cam quan tot vi Chuong Gioi thieu 1.1 Dat van de Vao dip Tet Trang Thu ngudi Viet Nam thudng an banh trung thu, banh nudng, cung nhu Tet Nguyen Dan phai co banh chung, banh tet vay Theo phong tuc tap quan thi ram thang Tarn, luc trang dep nhat nam, ngudi Idn bay cd thudng trang, hat quan , tre em rude den, xem mua lan, roi ciing pha co Trung Thu M o i ngudi quay quan ben udng tra, thudng thuc nhieu loai banh khac va khong the thieu mot loai banh trayen thong cua dan toe la banh deo V d i vd banh mau trying mem mai, thorn ngat mui bot nep ciing su canh, v i nhe nhang cua nhan banh lam cho ngudi thudng thuc khong khdi dua ldi nggi khen Ngay xa hoi phat trien, ngudi phat trien va cong nghiep phat trien dan den ddi song xa hoi cd su thay ddi, cong viec ban ron hon, nhu cau song cao han cung nhu thi hieu tieu dung thuc pham tang len Tren thj tradng hien cd nhieu loai banh deo khac rat dugc ua chuong nhu: banh deo nhan thap cam, nhan dau den hay banh ngu nhan Nhung nhu cau thi trucmg khong ngirng d do, no ludn tiep tuc phat trien va ddi hoi cang cao Do viec tao nhung san pham mdi cd chat lugng tot, gia trj cam quan cao va an toan ve sinh la dieu rat can thiet Xuat phat tir nhu cau do, viec nghien cuu che bien banh deo tra xanh nhan dau dua tren co sd san xuat banh truyen thong nham tao san pham mdi vdi huang v i dac trung rieng la huang tra xanh nhe nhang, banh cd mau xanh cua bot tra tao gia tri cam quan cao va chat lugng co the chap nhan dugc, tao san pham mdi cung cap cho ngudi tieu dung, lam da dang hoa san pham banh deo, gdp phan thuc day nganh cong nghe san xuat banh cang phat trien Day la mgt san pham hoan toan khong su dung hoa chat bao quan, khong mau thuc pham, phu hgp vdi xu hudng tieu dung hien dai 1.2 Muc tieu nghien cuu Nghien cuu de tai: "Khao sat quy trinh che bien banh deo tra xanh nhan dau" nham: - T i m dugc quy trinh che bien banh deo tra xanh nhan dau vdi cac thong sd toi uu d qui mo phong thi nghiem - Tao san pham mdi vdi huang v i dac trung rieng so vdi cac san pham banh deo tren thi tradng, vdi chat lugng tot ve gia tri cam quan, lam da dang hoa san pham banh deo, tao san pham mdi dap ung nhu cau thi hieu cua ngudi tieu dung 1.3 Ngi dung nghien ciru - Khao sat anh hudng cua ty le phoi che dudng va nude den chat lugng va gia tri cam quan cua vd banh - Khao sat anh hudng cua ty le phoi che bot tra xanh den gia tri cam quan cua vd banh - Khao sat anh hudng cua ty 1? phoi che dudng va nude cot dua den chat lugng cua nhan banh - Khao sat anh hudng cua ty lg phoi che sau rieng den chat lugng va gia trj cam quan ciia nhan banh - Phan tich phan hoa hgc ciia san pham Multiple Range Tests for M D U T by M a u Method: 95,0 percent L S D Mau Count Mean Homogeneous •1 5,51667 X 5,55667 X 5,78 X 5,85333 XX 5,89333 XXX 10 6,37333 XXX 6,40667 XXX 12 6,44 XX 6,74 X 11 6,78 X 6,85333 XX 7,40667 X Groups 1.2 Ket qua thi nghiem 2: Anh hudng cua ty le bgt tra xanh den gia tri cam quan cua vo banh - Anh huang ciia ty le bot tra xanh den mau sac cua vo banh A N O V A Table for M a u sac by M a u _ _ Source Sum of Squares Df Mean Square F-Ratio Between groups 2,77703 0,925675 31,34 Within groups 0,236267 0,0295333 Total (Corr.) M i l P-Value 0,0001 ? L I Multiple Range Tests for M a u sac by M a u I'lVlll V * V * • /w'^V^/VI Will AUI Mau Count Mean Homogeneous 7% 3.0 X 1% 3,44667 X 5% 3,48 X 3% 4,33 Groups X pc21 - Anh hudng ciia ty le bot tra xanh den mui cua vo banh A N O V A Table for M u i by M a u Df Mean Square F-Ratio 1,35977 0,453256 4,70 Within groups 0,7716 0,09645 Total (Corr.) 2,13137 11 Total (Corr.) 2,13137 11 Source Sum of Between groups Squares P-Value 0,0356 Multiple Range Tests for M u i by M a u Method: 95,0 percent L S D Mau Count Mean Homogeneous 7% 3,25667 X 1% 3,29667 X 5% 3,74 XX 3% 4,07333 Groups X - Anh hudng cua ty le bot tra xanh den v i ciia vo banh Multiple Range Tests for V i by M a u Method: 95,0percent L S D Mau Count Mean Homogeneous X 7% 2,89 1% 3,37 X 5% 3,44333 X 3% 3,89 Groups X A N O V A T a b l e for V i by M a u Source Sum of Squares Df Mean Square F-Ratio Between groups 1,5089 0,502967 9,92 Within groups 0,405667 0,0507083 Total (Corr.) }J±*ll 11 P- Value 0,0045 pc22 - Anh hirdng cua ty le bot tra xanh den muc ua thich ciia vo banh Multiple Range Tests for M D U T by M a u Method: 95,0 percent L S D Mau Count Mean Homogeneous 7% 5,70667 X 1% 6,14667 XX 5% 6,44667 X 3% 7,44333 Groups X A N O V A T a b l e for M D U T by M a u Source Sum of Squares Df Mean Square F-Ratio Between groups 4.89143 1,63048 13,49 Within groups 0,966867 0,120858 Total (Corr.) 5,85829 1J P- Value 0,0017 1.3 Ket qua thi nghiem 3: Anh hudng cua ty lg dudng va nude cot dua den gia trj cam quan cua nhan banh - Anh hudng ciia ty le dudng va nude cot dira den cau tnic nhan banh An*Ji.sA?j!f.Y_*ri^ Source Sum of Squares Df Mean Square F-Ratio P- Value A:Duong 1,24962 0,416541 9,52 0,0001 B:Nuoc cot dua 0,577606 0,192535 4,40 0,0106 0,417319 0,0463687 1,06 0,4172 RESIDUAL 1,3996 32 0,0437375 TOTAL (CORRECTED) 3,64415 47 MAIN E F F E C T S INTERACTIONS AB Multiple Range Tests for C a u true by Duong Method: 95,0_percent L S D Duong Count LS Mean 45% 12 3,3675 0,0607694 X 15% 12 3,38833 0,0607694 X 35% 12 3,41833 0,0607694 X 25% 12 3,76167 0,0607694 LS Sigma Homogeneous Groups X pc23 • Multiple Range Tests for C a u true by Nuoc cot dua Method: 95,0 percent L S D Mean LS Homogeneous Nuoc cot dua Count LS Sigma 40% 12 3,37917 0,0603721 X 10% 12 3,42583 0,0603721 X 20% 12 3,46417 0,0603721 X 30% 12 3,66667 0,0603721 Groups X A N O V A Table for C a u true by M a u Source Sum of Squares Df Mean Square Between groups 2,24455 15 9,149637 Within groups 1,3996 32 0,0437375 Total (Corr.) 3,64415 47 F-Ratio 3,42 P-Value 0,0017 Multiple Range Tests for C a u true by M a u Method: 95.0 percent LSD Mau Count Mean Homogeneous 12 3,14667 X 14 3,25667 XX 3,25667 XX 3,26 XX 13 3,36667 XXX 16 3,36667 XXX 3,37 XXX 3,44667 xxxx 15 3,48 xxxx 1 3,52 XXX 10 3,56 XXX 3,63333 XX 3,63333 XX 3 3,66667 XXX 3,78 4,0 Groups XX X pc24 - Anh hudng cua ty le dudng va nude cot dira den mau sac cua nhan banh A"_?LLsi?_RLYiLrla^ Source Sum of Squares Df Mean Square F-Ratio P-Value A: Duong 0,527956 0,175985 5,73 0,0030 B:Nuoc cot dua 0,29459 0,0981965 3,20 0,0365 0,554135 0,0615706 2,00 0,0718 RESIDUAL 0,983 32 0,0307187 TOTAL (CORRECTED) 2,35968 47 MAIN E F F E C T S INTERACTIONS AB Multiple Range Tests for M a u sac by Duong Method: 95,0 percent L S D Duong Count LS Mean 15% 12 3,56667 0,0505954 X 45% 12 3,64167 0,0505954 X 35% 12 3,69667 0,0505954 X 25% 12 3,8525 0,0505954 LS Sigma Homogeneous Groups X Multiple Range Tests for M a u sac by Nuoc cot dua Method: 95,0 percent L S D Nuoc cot dua Count LS Mean LS 40% 12 3,60417 0,0505954 X 20% 12 3,65833 0,0505954 X 10% 12 3,67833 0,0505954 XX 30% 12 3,81667 0,0505954 X Sigma Homogeneous Groups A N O V A Table for M a u sac by M a u Source Sum of Squares Df Mean Square Between groups 1,37668 15 0,0917788 Within groups 0,983 32 0,0307187 Total (Corr.) 2,35968 47 F-Ratio 2,99 P-Value 0,0046 pc25 Multiple Range Tests for M a u sac by M a u Method: 1o,Uj>ercent L S D Mau Mean Homogeneous 4,4U00 / v A a 44667 XX J SS667 XX A A XA S6 Y YA AY A SQ777 AX XAXAXA Count L h Groups I \) A T 15 L J J J a SQ667 X AX AX XA A 1111 \ J 67 4,04 y Y vv AA AA a 67777 4,04444 X A XA AYAY a 70667 XXX AAA XX J,J7JJ J 1 j -t J 74777 15 3,74333 XX 3,78 XX 11 3,81667 XX 3,85333 XX 3,85333 XX 4,11 4, / J J J X - Anh hudng cua ty le dudng va nude cot dua den miii ciia nhan banh Source Sum of Squares Df Mean Square F-Ratio P-Value MAIN E F F E C T S A: Duong 0,136056 0,0453521 1,64 0,1995 B:Nuoc cot dua 0,727123 0,242374 8,77 0,0002 1,47 0,2026 INTERACTIONS AB RESIDUAL 0,364869 0,040541 0,8846 32 0,0276437 Multiple Range Tests for M u i by Duong Method: 95.0 oercent L S D Duong Count LSMean LS Sigma Homogeneous 45% 12 3,76167 0,0479963 X 35% 12 3,76167 0,0479963 X 15% 12 3,77833 0,0479963 X 25% 12 3,88917 0,0479963 X Groups Multiple Range Tests for M u i by Nuoc cot dua Method: 95.0 oercent L S D Nuoc cot dua Count LS Mean LS Sigma Homogeneous 10% 12 3,65 0,0479963 X 20% 12 3,73333 0,0479963 XX 40% 12 3,82583 0,0479963 X 30% 12 3,98167 0,0479963 Groups X A N O V A Table for M u i by M a u Source Sum of Squares Df Mean Square Between groups 1,22805 15 0,0818699 Within groups 0,8846 32 0,0276437 Total (Corr.) 2,11265 47 F-Ratio 2,96 P-Value 0,0048 Multiple Range Tests for M u i by M a u Method: 95,0 p e r m i t L S D Mau Count Mean Homogeneous 3,55667 X Ki 3,56 X 3.66667 XX 3,66667 XX 13 3,67 XX 3,70667 XX 14 3,78 XXX 12 3,78 XXX 16 3,78 XXX 15 3,81667 XXX 3,85333 XX 3,89 XX 3,92667 XXX 3 3,92667 XXX 11 4.0 4,18333 Groups XX X - Anh hudng cua ty le dudng va nude cot dira den vi cua nhan banh Analysis of Variance for V i - T y p e I I I S u m s o f Squares Source Sum of Squares Df Mean Square F-Ratio P-Value MAIN E F F E C T S A: Duong 2,94255 0,98085 13,01 0,0000 B.Nuoc cot dua 0,95925 0,31975 4,24 0,0124 1,0376 0,115289 1,53 0,1801 RESIDUAL 2,41267 32 0,0753958 TOTAL(CORRECTED) 7,35207 47 INTERACTIONS Alt Multiple Range Tests for V i by Duong Method: 95.0 percent LSD Duong Count LS Mean 15% 12 3,19417 0,0792653 35% 12 3,71333 0,0792653 X 45% 12 3,73333 0,0792653 X 25% 12 3,82583 0,0792653 X LS Homogeneous Sigma Groups X Multiple Range Tests for V i by Nuoc cot dua Method: 95,0 percent L S D Nuoc cot dua Count LS Mean LS 10% 12 3,46417 0,0792653 X 20% 12 3,49083 0,0792653 X 40% 12 3,72333 0,0792653 X 30% 12 3,78833 0,0792653 X Df Mean F-Ratio Sigma Homogeneous Groups ANOVA TabicforVi by Mau Source Sum of Squares Square Between groups 4,9394 15 0,329293 Within groups 2,41267 32 0,0753958 Total (Corr.) 7,35207 47 4,37 P-Value 0.0002 pc29 Multiple Range Tests for V i by M a u Method: 95,0 percent L S D Mau Count Mean Homogeneous 2,85 X 2,96333 XX 3 3,40667 10 3,48 XX 3,55667 XX 3,63 XX 3,63 XX 16 3,63 XX 13 3,63333 XX 3,74333 XXX 15 3,78 XXX 3,78 XXX 1 3,81667 XXX 14 3,89 XX 12 3,92667 XX 4,15 Groups XX X - Anh huang ciia ty le dudng va nude cdt dira den muc ua thich ciia nhan banh Analysis of Variance fpr M D U T - T y p e III_Sujms_oJ_Squares Source Sum of Squares Df Mean Square F-Ratio P-Value MAIN E F F E C T S A:Duong 5,75951 1,91984 20,71 0,0000 B:Nuoc cot dua 2,20599 0,73533 7,93 0,0004 2,30777 0,256419 2,77 0,0163 RESIDUAL 2,96633 32 0,0926979 TOTAL(CORRECTED) 13,2396 47 INTERACTIONS AB pc30 Multiple Range Tests for M D U T by Duong Method: 95.0 percent LSD Duong Count LS Mean LS Sigma Homogeneous 15% 12 6,09333 0,087891 X 45% 12 6,55583 0,087891 X 35% 12 6,71333 0,087891 X 25% 12 7,05667 0,087891 Groups X Multiple Range Tests for M D U T by Nuoc cot dua Method: 95.0 percent LSD _ Sigma Homogeneous Nuoc cot dua Count LSMean LS 10% 12 6,36083 0,087891 X 20% 12 6,49083 0,087891 XX 40% 12 6,63 0,087891 X 30% 12 6,9375 0,087891 Groups X A N O V A T a b l e for M D U T by M a u Source Sum of Squares Df Mean Square Between groups 10,2733 15 0,684884 Within groups 2,96633 32 0,0926979 Total (Corr.) 13,2396 47 F-Ratio 7,39 P-Value 0,0000 « pc31 Multiple Range Tests for M D U T by M a u Mau Count Mean Homogeneous 5,66667 X 5,66667 X 16 6,22 X 6,48333 XX 13 6,51667 XXX Id 6,51667 XXX 3 6,55667 XXXX 6,59333 xxxx 6,66667 xxxx 15 6,70667 xxxx 14 6,78 XXX 12 6,78 XXX 11 6,89 XXX 7,0 7,03667 7,59667 Groups XX X X 1.4 Ket qua thi nghiem 4: Anh hudng cua ty lg sau rieng den gia tri cam quan cua nhan banh - Anh hudng cua ty le sau rieng den cau tnic ciia nhan banh ANOVA Tabic for Cau true by Man Source Sum of Squares Df Mean Square F-Ratio Between groups 1,54242 0,514142 19,07 Within groups 0,215667 0,0269583 Total (Corr.) 1,75809 11 P-Value 0,0005 pc32 Multiple Range Tests for C a u true by M a u Method: 95.0 percent L S D Homogeneous Mau Count Mean 40% 2,92667 10% 3,33 X 30% 3,63 XX 20% 3,89 X Groups X - Anh hirdng cua ty le sau rieng den mau sac cua nhan banh A N O V A Table for M a u sac by M a u Df Mean Square F-Ratio 0,678033 0,226011 4,16 Within groups 0,435067 0,0543833 Total (Corr.) 1,1131 11 Source Sum of Between groups Squares P-Value 0,0476 Multiple Range Tests for M a u sac by M a u Method: 95,0 percent L S D Mau Count Mean Homogeneous 40% 3,44333 X 10% 3,55667 X 30% 3,66667 XX 20% 4,07333 X Groups - Anh hudng cua ty le sau rieng den miii cua nhan banh A N O V A T a b l e for M u i by M a u Df Mean Square F-Ratio 1,10169 0,367231 13,49 0,2178 0,027225 Source Sum of Between groups Within groups Squares P-Value 0,0017 Multiple Range Tests for M u i by M a u Method: 95,0 percent L S D Mau Count Mean Homogeneous X 10% 3,22 40% 3,70667 X 20% 3,85333 XX 30% 4,03667 X Groups - Anh hudng cua ty le sau rieng den v i cua nhan banh A N O V A T a b l e for V i by M a u Source Sum of Sq uares Df Mean Square Between groups 0,411867 0,137289 Within groups 0,228133 X 0,0285167 Total (Corr.) 0,64 11 F-Ratio 4,81 P-Value 0,0336 Multiple Range Tests for V i by M a u Method: 95.0 percent L S D Mau Count Mean Homogeneous X 10% 3,44333 40% 3,81667 X 20% 3,89 X 30% 3,89 X Groups - Anh hudng cua ty le sau rieng den muc ua thich ciia nhan banh A N O V A Table for M D U T by M a u Source Sum of Squares Df Mean Square Between groups 1,06967 0,356556 Within groups 0,0822 0,010275 Total (Corr.) 1,15187 11 F-Ratio 34,70 P-Value 0,0001 Multiple Range Tests for M D U T by M a u Method: 95.0 percent LSD Mau Count Mean Homogeneous 10% 6,48 X 40% 6,81667 30% 7,03667 20% 7,29333 X X X Groups ... 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