Nghiên cứu chế biến bánh bò thốt lốt

T R U O N G D A I H O C AN G I A N G K H O A NONG NGHIEP & TAI N G U Y E N T H I E N NHIEN VO ANH K I E M NGHIEN CU U C H E BIEN BANH BO THOT L O T K H O A L U A N T O T NGHIEP DAI H O C Nganh hoc: Cong Nghe Thuc Phkm C a n bo hudng dan: ThS Truong Quoc Binh I'TRUQNG DAI HQCl AN GIANG THUVIgN K H O A H O C : 2008 - An Giang, 2012 2012 TRlTdNG DAI HQC AN GIANG KHOA NONG NGHIEP & TAI NGUYEN T H I E N NHIEN /v r NGHIEN C U U C H E BIEN BANH BO THOT L O T KHOA LUAN TOT NGHIEP DAI HOC Nganh hoc: Cong Nghe Thuc Pham sinh vien V6 Anh Kiem thuc hien va de nap Kinh trinh hoi dong Can bo hirdng dan ThS Trirong Quoc Binh C a m ta Trai qua thai gian gan ba thang, de tai "Nghien cuu che bien banh bo thot lot" da hoan De hoan tot de tai nay, toi xin chan cam on giang vien hudng dan Ths.Truong Quoc Binh da nhiet tinh hudng dan, bo sung nhung thieu sot, dieu chinh nhung sai sot thuc hien de tai cung nhu qua trinh viet bai bao cao X i n cam on B G H trudng Dai hoc A n Giang, Khoa Nong Nghiep Tai Nguyen Thien Nhien, Bo mon Cong nghe thuc pham da tao dieu kien tot cho toi thuc hien de tai X i n cam on cac thay co B6 mon Cong nghe thuc pham, thay co thinh giang da truyen dat kien thuc ly thuyet nen tang cho toi de toi co the thuc hien tot de tai X i n cam on cac thay co phong thi nghiem da nhiet tinh hudng dan, giup qua trinh thuc hien de tai X i n cam on cac ban sinh vien ldp DH9TP da quan tarn giup qua trinh thuc hien de tai X i n chan cam on! Long Xuyen, 05 thang 05 nam 2012 Sinh vien Vd Anh K i l m i M u c luc Noi dung Trang Cam ta i Muc luc ii Danh sach bang v Danh sach hinh v Tom luge vi Chirong 1: Gioi thieu 1.1 Dat van de 1.2 Muc tieu de tai 1.3 Noi dung nghien cuu Chirong 2: Lirgc khao tai lieu 2.1 Tdng quan ve nguyen lieu 2.1.1 Th6t lot 2.1.2 Duong 2.1.3 Bot gao 2.1.4 Nam men 2.1.5 Com dua 16 2.2 Mot so qua trinh anh hudng den chat lugng san pham 18 2.2.1 Qua trinh len men 18 2.2.2 Qua trinh nhao tron 20 2.2.3 Qua trinh h i p 20 Chirong 3: Phirong tien va phirong phap nghien ciru 21 3.1 Phuong tien nghien cuu 21 3.1.1 Dia diem va thoi gian thuc hien 21 3.1.2 Nguyen lieu va phu gia 21 3.1.3 Dung cu va thiet bi 21 3.2 Phuong phap nghien cuu 21 3.2.1 Phuong phap thu thap va x u ly so lieu 21 3.2.2 Quy trinh san xuat banh bo du kien 22 3.2.3 Thuyet minh quy trinh 22 3.2.4 Noi dung nghien cuu 24 ii Chirong 4: Ket qua va thao luan 30 4.1 Ket qua thi nghiem 30 4.2 K i t qua thi nghiem 31 4.3 K i t qua thi nghiem 39 4.4 K i t qua thi nghiem 43 4.5 Ket qua thi nghiem 45 Chirong 5: Ket luan va khuyen nghj 47 Tai lieu tham khao 48 Phu chirong pel Phu chuong A pel Phu chuong B pc3 Phu chuong C pc6 Phu chuong D pc8 in D a n h sach bang Stt Noi dung Trang Bang 1: Thanh phan hoa hoc dich thot lot Bang 2: Thanh phan hoa hoc ciia bot gao Bang 3: San luong dua d cac qudc gia giai doan 2000 - 2004 16 Bang 4: A n h hudng ham luong thot lot den cam quan banh 30 Bang 5: Anh hudng ham luong nam men va thoi gian len men den cam quan banh 33 Bang 6: Bang mo ta dac tinh san pham vdi ham luong nam men va thoi gian len men khac 34 Bang 7: A n h hudng ham luong nam men den cam quan banh 36 Bang 8: Anh hudng thoi gian len men den cam quan cua banh 37 Bang 9: Anh hudng ham luong dudng va com dua den cam quan ciia banh 40 Bang 10: Nhan xet sir anh hudng cua ham luong dudng, com dua toi banh 41 Bang 11: Anh hudng ham luong com dua den cam quan cua banh 42 Bang 12: Anh hudng ham luong dudng den cam quan cua banh 43 Bang 13: Anh hudng thoi gian hap den cam quan cua banh 44 Bang 14: Anh hudng thoi gian bao quan den cam quan ciia banh 45 Bang 15: Chi tieu danh gia banh bo thot lot theo phuong phap cho diem pc6 Bang 16: Thang diem Hedonic ve muc ua thich san pham banh bo thot lot pc7 Bang 17: Ket qua cam quan ve cau true thi nghiem pc8 Bang 18: Ket qua cam quan ve mau sac thi nghiem pc8 Bang 19: Ket qua cam quan ve mui vi thi nghiem pc8 Bang 20: Ket qua cam quan ve muc ua thich thi nghiem pc9 Bang 21: Ket qua cam quan ve cau true thi nghiem pc9 Bang 22: Ket qua cam quan ve mui v i thi nghiem pclO Bang 23: Ket qua cam quan ve muc ua thich thi nghiem pel Bang 24: Ket qua cam quan no thi nghiem pel2 Bang 25: Ket qua cam quan xop thi nghiem pel3 Bang 26: Ket qua cam quan ve mui v i thi nghiem pel4 Bang 27: Ket qua cam quan ve muc ua thich thi nghiem pc 15 Bang 28: Ket qua cam quan ve cau true thi nghiem pel6 Bang 29: Ket qua cam quan ve mui v i thi nghiem pel6 Bang 30: Ket qua cam quan ve muc ua thich thi nghiem pel7 Bang : Ket qua cam quan ve cau true thi nghiem pc 17 Bang 32: Ket qua cam quan ve mui vi thi nghiem pcl7 Bang 33: Ket qua cam quan ve mui vj thi nghiem pel8 Bang 34: Ket qua cam quan ve muc ua thich thi nghiem pel8 vi D a n h sach hinh Stt Noi dung Trang Hinh 1: Bot gao Ngoc Dieu Hinh 2: So cau tao te bao nam men 10 Hinh 3: So dd b i l u thi sir sinh trudng va sinh san ciia nam men 15 Hinh 4: Quy trinh che b i l n banh bo thot lot du kien 22 Hinh 5: So bo tri thi nghiem 24 Hinh 6: So bo tri thi nghiem 26 Hinh 7: So dd bd t r i thi nghiem 27 Hinh 8: So dd bd tri thi nghiem 28 Hinh 9: Cac mau thi nghiem 32 Hinh 10: Cac mau thi nghiem 39 Hinh 11: Cac mau thi nghiem 43 Hinh 12: Dd thi bieu dien sir tang ham luong acid tdng 46 Hinh 13: Dd thi bieu dien sir tang chi so perxyt 46 Hinh 14: Bot gao pel Hinh 15: Trai thdt ldt pel Hinh 16: Tach vd nau pel Hinh 17: Tach dich thdt ldt pel Hinh 18: Loc djch thot ldt pel Hinh 19: Djch thdt ldt sau loc pel Hinh 20: Com dua pc2 Hinh 21: Nam men pc2 Hinh 22: Duong kinh trang pc2 Hinh 23: Khoi hot trudc len men pc2 Hinh 24: Khoi bot sau len men pc2 Hinh 25: H i p banh pc2 Hinh 26: Banh sau hap pc2 vii T o m lirgc Banh bo thot lot la loai banh rat quen thuoc d vung That Son Banh dugc lam tir nhung nguyen lieu rat binh di, re, de tim nhu bot gao, thdt ldt chin, dua khd Lam banh can qua cong doan len men, day la cong doan rat quan anh hudng ldn den cau true banh Sau dd la hap Banh bo thdt ldt co cau true xop, mem, thorn ngon Banh bo thdt lot cung cap chu yeu la glucid Ngoai ra, cung cap carotenoid, lipid, mot ft khoang Nhung thf nghiem de tai gdm: Khao sat anh hudng ham lugng dich thdt ldt den chat lugng banh pham V d i bdn muc 67, 100, 150, 233 % so vdi khoi lugng bot gao Khao sat su anh hudng ciia ham lugng nam men va thoi gian len men den chat lugng banh pham V d i ham lugng nam men 1, 2, % so vdi khoi lugng hot gao va thoi gian len men 15, 30, 45, 60, 75 phut Khao sat anh hudng ciia ham lugng dudng va com dira toi chat lugng cam quan ciia banh V d i ham lugng dudng 10, 20, 30, 40 % va com dira 15, 25, 35 % so vdi ca khoi bot sau len men Khao sat su anh hudng ciia thoi gian hap den chat lugng banh pham V d i bdn mire thoi gian 20, 25, 30, 35 phut Theo doi thoi gian hu hong ciia banh pham Banh dugc hop PA va bao quan tu lanh vdi nhiet khoang - °C Chi tieu theo doi la cam quan ciia banh, chi so peroxyt va ham lugng acid tdng Sau tien hanh nghien cuu va thao luan thi ket qua nhu sau: Ham lugng dich thot ldt 100 % doi vdi bot gao thi banh co gia tri cam quan cao nhlt cung nhu dat dugc no va xop tot nhlt Ham lugng nam men bd sung la % (so vdi khoi lugng bot gao) va thoi gian len men la 45 phiit thi banh dat dugc cau true, mui vi (thorn dac trung, khong co mui rugu) tdt nhat Ham lugng dudng va com dira bd sung d muc 25 % va 25 % (so vdi ca khdi bot sau len men) thi mui vj banh la tdt nhlt viii Vai thai gian hap la 25 phut thi cau true, mau sac, mui vi banh la tot nhat Theo doi banh d nhiet - C thoi gian 10 thi cau true, mau sac, mui v i banh khong co su khac biet Trong thoi gian bao quan ham luong acid tdng va chi so peroxyt tang nhien van gidi han cho phep ix Dung dich Phenoltalein Cdch tien hanh : Can khoang - g mau, nghien nhuyen cho vao binh dinh muc 100 ml, dinh muc, lac deu Loc (bang giay loc) Hut 25 ml dung dich loc Them - giot Phenoltalein Chuan den dung dich phot hong ben khoang 30 giay Cach tinh ket qua : X (%) = (k*V*100*100)/(m*25) Trong X : acid toan phan tinh theo (%) k : he so 0.009 V : t h l tich NaOH 0,1 % dung d l chuln (ml) m : khoi luong mau thu (g) Xac dinh chi so peroxyt bang each chuan bang N a S Nguyen tac : Q moi trudng acid, peroxyt giai phdng I tir mudi K I Chi so peroxyt la so ml N a S tac dung vdi I dugc giai phdng Cac acid beo chat beo (dac biet la cac acid beo khong no) rat de bi oxy hoa (khi cd mat oxy) mot phan tao peroxyt Xac dinh chi so peroxyt dua vao phan ung sau : R,-CH - CH-R + KI + 2CH COOH I I O-O R,-CH - CH-R + 2CH CHOOK + H + I \ / o Luong I giai phdng dugc chuan bang N a S Na2S203 + I + Nal + N a S Hoa chat Dung dich ho tinh bot % Dung dich K I bao hoa Acid acetic dam dac Cloroform Dung dich N a S 0,01 N Cdch tien hanh: mau dugc can (chinh xac den 0,001 g) cho vao binh dinh muc 100 Hut 25 ml hon hop acid acetic/cloroform, sau hut them ml K I (bao hoa) Cho vao - pc4 - cho toi khoang gio Dinh muc vdi nude cat Chuan ve mau vang rom bang dung dich N a S , cho vao ml dung dich ho tinh bo % Lac manh Chuan den mat mau bang Na2S203 Cdch tinh ket qud:X = V*0,001269*0,01*10/m Trong do, X: chi so peroxyt V: the tich Na S 0,01 N m: khoi luong mau - pc5 - Phu chirong C: Cac bang diem mo ta danh gia cam quan Bang 15: Chi tieu danh gia banh bo thot lot theo phirong phap cho diem Chi tieu Diem Mo ta Xop, mem vira, co nhieu 16 kfch thuoc dong deu Xop, mem vira, co nhieu 16 kfch thuoc tuong doi dong deu Cau true It xop, hoi mem hoac hoi cung, co it 16 Hoi deo hoac hoi kho, co it 16 Deo, khong co 16 o San pham hu hong Mau vang cam sang dac trung ciia dich thot lot chin dong deu Mau vang cam dac trung ciia dich thot lot tuong doi dong deu Mau vang cam hoi nhat hoac hoi dam (khong) dong deu -> iviau vang cam Mau sac z iinai n u a c sain livuuiigj uung ueu Mau vang cam rat nhat hoac rat dam San pham khong mau Mui thorn rat dac trung cua thot lot chin, vi ngot beo dam da Mui thorn dac trung thot lot chin va dira, vi ngot beo ft mui thorn thot lot chin va dira, vi nhat hoac hoi ngot (beo), co mui rugu rat nhe Mui vi ft mui thot lot chin va dira, vj rat nhat hoac rat nggt (beo) hoi chua va co mui rugu ft thorn thot lot chin va dira, vj chua nang mui rugu Co mui vi la - pc6 - Bang 16: Thang dilm Hedonic ve mire ira thich san pham banh bo thot lot Mo ta Diem Thich cue Rat thich Thich vira phai Thich hoi hoi Khong thich khong chan Chan hoi hoi Chan vira phai Chan rat nhieu Chan cue Khong an dugc - pc7 - Phu chirong D: Ket qua thong ke cac so lieu thi nghiem Bang 17: Ket qua cam quan ve cau true thi nghiem ANOVA Table for cau true by ham luong thot lot Source Between groups Within groups Total (Corr.) Sum of Squares 19,5469 33,6875 53,2344 Df 60 63 Mean Square 6,51563 0,561458 F-Ratio 11,60 P-Value 0,0000 Multiple Range Tests for cau true by ham luong thot lot Method: 95.0 percent LSD ham luong thot lot Count 233 16 150 16 67 16 100 16 Mean 2,625 3,375 3,375 4,1875 Homogeneous Groups X X X X Bang 18: Ket qua cam quan ve mau sac thi nghiem ANOVA Table for mau sac by ham luong thot lot Source Between groups Within groups Total (Corr.) Sum of Squares 28,9219 38,3125 67,2344 Df 60 63 Mean Square 9,64063 0,638542 F-Ratio 15,10 P-Value 0,0000 Multiple Range Tests for mau sac by ham luong thot lot Method: 95.0 percent ham luong thot lot 67 233 100 150 LSD Count 16 16 16 16 Mean 2,6875 3,25 4,1875 4,3125 Homogeneous Groups X X X X Bang 19: Ket qua cam quan ve mui vi thi nghiem ANOVA Table for mui vi by ham luong thot lot Source Sum of Squares Df Mean Square Between groups 8,0625 2,6875 Within groups 35,375 60 0,589583 Total (Corr.) 43,4375 63 F-Ratio 4,56 Multiple Range Tests for mui vi by ham luong thot lot Method: 95.0 percent ham luong thot lot 67 100 233 150 LSD Count 16 16 16 16 Mean 2,8125 3,5 3,5625 3,75 - pc8 - Homogeneous Groups X X X X P-Value 0,0061 Bang 20: Ket qua cam quan ve mire ua thich thi nghiem ANOVA Table for diem cam quan ve muc ua thich by ham luong thot lot Source Between groups Within groups Total (Corr.) Df 60 63 Sum of Squares 10,1719 46,3125 56,4844 Mean Square 3,39063 0,771875 F-Ratio 4,39 P-Value 0,0073 Multiple Range Tests for diem cam quan ve muc ua thich by ham luong thot lot Method: 95.0 percent ham luong thot lot 67 150 233 100 LSD Count 16 16 16 16 Homogeneous Groups Mean 5,75 6,0625 6,4375 6,8125 X XX XX X Bang 21: Ket qua cam quan ve cau true thi nghiem ANOVA Table for cau true by Nam men-thoi gian Source Sum of Squares Df Mean Square F-Ratio Between groups Within groups 29,2333 62,0625 14 225 Total (Corr.) 91,2958 239 P-Value 7,57 2,0881 0,275833 0,0000 Multiple Range Tests for cau true by Nam men-thoi gia Method: 95.0 percent LSD Nam men-thoi gian Count 2-75 16 3-75 16 1-15 16 3-15 16 2-15 16 3-60 16 3-30 16 1-30 16 3-45 16 1-45 16 1-75 16 2-30 16 2-60 16 1-60 16 2-45 16 Mean 2,3125 2,3125 2,4375 Homogeneous Groups 2,5 XXX X X XX xxxx xxxx xxxx xxxx 2,625 2,625 2,6875 2,75 2,8125 2,875 2,875 2,9375 3,0 3,25 3,6875 XXX XX XX XXX XX X X Analysis of Variance for cau true - Type III Sums of Squares Source MAIN EFFECTS A:thoi gian len men B:ham luong nam men RESIDUAL TOTAL (CORRECTED) Sum of Squares Df 14,2333 4,63333 72,4292 91,2958 233 239 - pc9- Mean Square F-Ratio P-Value 3,55833 2,31667 0,310855 11,45 7,45 0,0000 0,0007 Multiple Range Tests for cau true by thoi g ian len men Method: 95.0 percent thoi gian 75 15 30 60 45 LSD Count 48 4S 48 48 48 LS Mean 2,5 2,52083 2,79167 2,95833 3,125 LS Sigma 0,0804745 0,0804745 0,0804745 0,0804745 0,0804745 Homogeneous Groups X X X XX X Multiple Range Tests for cau true by ham luong nam men Method: 95.0 percent LSD nam men Count 80 80 80 Mean 2,5875 2,8375 2,9125 Homogeneous Groups X X X Bang 22: Ket qua cam quan ve mui vi thi nghiem ANOVA Table for mui vi by nam men-thoi gian len men Source Sum of Squares Df Mean Square F-Ratio Between groups 10,3583 14 0,739881 1,90 Within groups 87,625 225 0,389444 Total (Corr.) 97,9833 239 P-Value 0,0274 Multiple Range Tests for mui vi by nam men-thoi gian Method: 95.0 percent LSD nam men-thoi gian Count Mean Homog eneous Groups 3-15 2-75 2-15 3-75 1-75 3-60 1-30 3-30 3-45 2-30 1-15 2-60 2-45 1-60 1-45 2,6875 2,875 3,0 3,0625 3,0625 3,0625 3,125 3,1875 3,1875 3,25 3,3125 3,3125 3,3125 3,375 3,5625 X 16 16 L6 16 16 16 16 16 16 16 16 16 16 16 16 XX XXX XXX XXX XXX XX XXX XXX XXX XX XX XX XX X Analysis of Variance for mui vi - Type III Sums of Squares Source MAIN EFFECTS A:thoi gian len men B:ham luong nam men RESIDUAL TOTAL (CORRECTED) Sum of Squares Df 4,69167 2,50833 90,7833 97,9833 233 239 - pclO- Mean Square F-Ratio P-Value 1,17292 1,25417 0,389628 3,01 3,22 0,0190 0,0418 Multiple Range Tests for mui vi by thoi gian len men Method: 95.0 percent LSD thoi gian Count 48 75 15 48 45 30 48 60 48 45 Homog eneous Groups Mean 3,0 3,0 3,1875 3,25 3,35417 X X XX XX X Multiple Range Tests for mui vi by ham luong nam men Method: 95.0 percent LSD Count nam men 80 80 80 Homogeneous Groups Mean 3,0375 3,15 3,2875 X XX X Bang 23: Ket qua cam quan ve mire ua thich thi nghiem ANOVA Table for diem cam quan ve muc ua thich by nam men-thoi gian Source Between groups Within groups Total (Corr.) Sum of Squares Df 18,4583 14 134,438 225 152,896 239 Mean Square 1,31845 0,5975 F-Ratio 2,21 P-Value 0,0084 Multiple Range Tests for diem cam quan ve muc ua thich by nam men-thoi gian nam men-thoi gian Count 16 3-75 16 1-15 16 3-30 16 3-60 16 2-30 16 3-15 16 1-30 16 1-45 16 2-75 16 1-60 16 3-45 16 1-75 16 2-60 16 2-15 16 2-45 Homogeneous Groups Mean 5,5625 5,6875 5,8125 5,8125 5,875 5,875 5,875 5,9375 5,9375 6,0 6,0625 6,0625 6,125 6,25 6,8125 X XX XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX XX X X Analysis of Variance for diem cam quan ve muc ua thich - Type III Sums of Squares Source MAIN EFFECTS A:thoi gian len men B:ham luong nam men RESIDUAL TOTAL (CORRECTED) Sum of Squares Df 5,66667 6,15833 141,071 152,896 233 239 Mean Square F-Ratio P-Value 1,41667 3,07917 0,605454 2,34 5,09 0,0559 0,0069 Multiple Range Tests for diem cam quan ve muc ua thich by thoi gian len men -pell - Method: 95.0 percent LSD thoi gian Coun 75 48 30 48 15 48 60 48 45 48 LS Mean 5,85417 5,85417 5,9375 5,97917 6,27083 LS Sigma 0,11231 0,11231 0,11231 0,11231 0,11231 Homogeneous Groups X X X XX X Multiple Range Tests for diem cam quan ve muc ua thich by ham luong nam men Method: 95.0 percent LSD nam men Count 80 80 80 Mean 5,825 5,9125 6.2 Homogeneous Groups X X X Bang 24: Ket qua cam quan no" thi nghiem ANOVA Table for no by nam men-thoi gian Source Between groups Within groups Total (Corr.) Sum of Squares 226,577 0,2443 226,821 Df 14 15 29 Mean Square 16,1 84 0,0162867 F-Ratio 993,70 P-Value 0,0000 Multiple Range Tests for no by nam men-thoi gian Method: 95.0 percent LSD nam men-thoi gian Count 1-15 1-30 1-45 2-15 1-60 2-30 3-15 1-75 2-45 2-60 3-45 2-75 3-60 3-30 3-75 Mean 68,165 68,99 70,15 70,245 71,095 71,645 71,67 71,965 72,405 74,58 75,44 75,85 75,86 76,27 76,87 Homogeneous Groups X X X X X X X X X X X X X X X Analysis of Variance for no - Type III Sums of Squares Source MAIN EFFECTS A:ham luong nam men B:thoi gian len men RESIDUAL TOTAL (CORRECTED) Sum of Squares Df Mean Square F-Ratio P-Value 133,151 80,5486 13,1212 226,821 23 29 66,5755 20,1372 0,570488 116,70 35,30 0,0000 0,0000 -pcl2- Multiple Range Tests for no by ham luong nam men Method: 95.0 percent LSD Count nam men 10 10 10 LS Mean 70,073 72,945 75,222 LS Sigma 0,238849 0,238849 0,238849 Homogeneous Groups X X X Multiple Range Tests for no by thoi gian len men Method: 95.0 percent LSD Count thoi gian 15 6 30 45 60 75 Mean 70,0267 72,3017 72,665 73,845 74,895 Homogeneous Groups X XX XX X X Bang 25: Ket qua cam quan xop thi nghiem ANOVA Table for xop by nam men-thoi gian Source Between groups Within groups Total (Corr.) Sum of Squares 3032,87 7,0 3039,87 Df 14 15 29 Mean Square 216,633 0,466667 F-Ratio 464,21 P-Value 0,0000 Multiple Range Tests for xop by nam men-thoi gian Method: 95.0 percent LSD nam men-thoi gian Count 1-15 1-30 3-15 3-30 2-15 1-45 2-30 1-60 1-75 3-45 3-60 3-75 2-45 2 2-60 2-75 Mean 21,5 23,0 30,5 33,5 36,5 36,5 39,0 42,0 44,5 47,5 48,5 50,5 51,0 53,0 53,5 Homogeneous Groups X X X X X X X X X X X X X X X Analysis of Variance for xop - Type III Sums of Squares Source MAIN EFFECTS A:ham luong nam men B:thoi gian len men RESIDUAL TOTAL (CORRECTED) Sum of Squares Df Mean Square F-Ratio P-Value 423,333 1109,73 26,6667 1559,73 14 211,667 277,433 3,33333 63,50 83,23 0,0000 0,0000 -pcl3- Multiple Range Tests for xop by thoi gian len men Method: 95.0 percent LSD Count Mean Homogeneous Groups thoi gian X 28,3333 15 X 32,0 30 X 45,0 45 X 47,6667 60 X 75 49,3333 Multiple Range Tests for xop by ham luong nam men Method: 95.0 percent LSD LS Sigma Homogeneous Groups Count LS Mean nam men 0,816497 X 33,8 40,8 0,816497 X 0,816497 X 46,8 Bang 26: Ket qua cam quan ve mui vi thi nghiem ANOVA Table for mui vi by duong-com dua Source Sum of Squares Df Between groups 84,3 125 15 Within groups 91,125 240 Total (Corr.) 175,438 255 Mean Square 5,62083 0,379688 F-Ratio 14,80 Multiple Range Tests for mui vi by mau Method: 95.0 percent LSD Duon-com dua Mean Homogeneous Groups Count X 20-5 16 1,625 X 2,0625 25-5 16 XX 35-35 2,375 16 XX 16 2,625 30-5 16 XX 2,625 35-15 XX 16 2,6875 35-5 XX 16 25-15 2,9375 XX 16 2,9375 30-35 XX 16 35-25 3,125 XX 16 3,1875 20-15 XXX 16 30-15 3,25 XXX 16 25-35 3,4375 XXX 16 3,5 25-25 XXX 16 3,5 30-25 16 XX 20-35 3,625 X 3,75 20-25 16 Analysis of Variance for mui vi - Type III Sums of Squares Mean Square F-Ratio Source Sum of Squares Df MAIN EFFECTS A:ham luong com dua 50,0625 16,6875 34,70 B:ham luong duong 5,625 1,875 3,90 RESIDUAL 119,75 249 0,480924 TOTAL (CORRECTED) 175,438 255 - pc 14 - P-Value 0,0000 P-Value 0,0000 0,0095 Multiple Range Tests for mui vi by ham luong duong Method: 95.0 percent LSD Homogeneous Groups Mean Count ham luong duong X 64 2,70313 35 XX 2,98438 25 64 X 64 3,04688 20 X 3,07813 64 30 luong com dua Multiple Range Tests for mui vi by ham Method: 95.0 percent LSD Homogeneous Groups com dua Count Mean X 64 2,25 X 15 64 3,0 X 64 3,09375 35 X 64 3,46875 25 Bang 27: Ket qua cam quan ve mire ua thich thi nghiem ANOVA Table for diem cam quan ve muc ua thich by duong-com dua Source Sum of Squares Df Mean Square F-Ratio Between groups 76,4844 15 5,09896 Within groups Total (Corr.) 171,375 247,859 240 255 0,714063 7,14 P-Value 0,0000 Multiple Range Tests for diem cam quan ve muc ua thich by duong-com dua Duong-com dua 20-5 30-5 20-15 35-35 25-5 20-25 20-35 25-15 25-35 35-5 30-15 35-15 35-25 25-25 30-35 30-25 Count 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 16 Homogeneous Groups Mean 4,8125 5,25 5,5 5,5625 5,625 5,9375 6,0 6,0 6,125 6,125 6,3125 6,4375 6,5 6,625 6,625 6,9375 X XX XX XXX XXX XXX XXX XXX XXX XXX XX XXX XXX XX XX X Analysis of Variance for diem cam quan ve muc ua thich - Type III Sums of Squares Source MAIN EFFECTS A:ham luon£ com dua B:ham luong duon^ RESIDUAL TOTAL (CORRECTED) Sum of Squares Df Mean Square F-Ratio P-Value 35,6406 19,2969 192,922 247,859 11,8802 6,43229 0,774787 15,33 8,30 0,0000 0,0000 3 249 255 -pcl5- Multiple Range Tests for diem cam quan ve muc ua thich by ham luong duong Method: 95.0 percent LSD ham luong duong Count 20 64 25 64 35 64 J30 64 Mean 5,5625 6,09375 6,15625 6,28125 Homogeneous Groups X X X X Multiple Range Tests for diem cam quan ve muc ua thich by ham luong com dua Method: 95.0 percent LSD com dua Count 64 15 64 35 64 _25 64 Mean 5,45313 6,0625 6,07813 6,5 Homogeneous Groups X X X X Bang 28: Ket qua cam quan ve cau true thi nghiem ANOVA Table for diem cam quan ve cau true by thoi gian hap Source Between groups Within groups Total (Corr.) Sum of Squares 3,67187 17,6875 21,3594 Df 60 63 Mean Square 1,22396 0,294792 F-Ratio 4,15 P-Value 0,0097 Multiple Range Tests for diem cam quan ve cau true by thoi gian hap thoi gian hap 15 45 35 25 Count 16 16 16 16 Mean 3,0 3,125 3,5 3,5625 Homogeneous Groups X XX XX X Bang 29: Ket qua cam quan ve mui vj thi nghiem ANOVA Table for diem cam quan ve mui vi by thoi gian hap Source Between groups Sum of Squares Df 4,5625 Mean Square 1,52083 Within groups Total (Corr.) 19,875 24,4375 0,33125 60 63 F-Ratio 4,59 Multiple Range Tests for diem cam quan ve mui vi by thoi gian hap Method: 95.0 percent LSD thoi gian hap Count 15 16 25 16 45 16 35 16 Mean 2,75 3,1875 3,1875 3,5 - pc 16 - Homogeneous Groups X X X X P-Value 0,0059 Bang 30: Ket qua cam quan ve mire ira thich thi nghiem ANOVA Table for diem ve muc ua thich by thoi gian hap Source Between groups Within groups Sum of Squares Df 18,125 45,625 60 Total (Corr.) 63,75 Mean Square F-Ratio P-Value 6,04167 7,95 0,0002 0,760417 63 Multiple Range Tests for diem ve muc ua thich by thoi gian hap Method: 95.0 percent LSD thoi gian hap Count 15 16 45 16 16 25 35 16 Homogeneous Groups Mean 5,5 5,625 6,3125 6,8125 X X X X Bang 31: Ket qua cam quan ve cau true thi nghiem ANOVA Table for ctruc by thoi gian Source Between groups Within groups Total (Corr.) Sum of Squares Df 1,33333 60 18,5 95 19,8333 Mean Square 0,266667 0,205556 F-Ratio 1,30 P-Value 0,2722 Multiple Range Tests for ctruc by thoi gian Method: 95.0 percent LSD thoi gian Count Mean Homogeneous Groups Ngay 11 Ngay Ngay Ngay Ngay Ngay 16 3,125 3,1875 3,25 3,3125 3,4375 3,4375 X 16 16 16 16 16 X X X X X Bang 32: Ket qua cam quan ve mui vj thi nghiem ANOVA Table for m by thoi gian Source Between groups Within g roups Total (Corr.) Sum of Squares Df 0,927083 60 14,3125 5,2396 95 Mean Square 0, 85417 o 59028 -pcl7- F-Ratio 1,17 P-Value 0,3322 Multiple Range Tests for m by thai gian bq Method: 95.0 percent LSD thoi gian Count Ngay 11 16 Ngay 16 Ngay 16 Ngay 16 Ngay 16 Ngay 16 Homogeneous Groups Mean 3,6875 3,6875 3,75 3,875 3,875 3,9375 X X X X X X Bang 33: Ket qua cam quan ve mui vi thi nghiem ANOVA Table for mui vi by thoi gian Source Between groups Within groups Total (Corr.) Sum of Squares 1,17708 21,0625 22,2396 Df 90 95 Mean Square 0,235417 0,234028 F-Ratio i,o: P-Value 0,4190 Multiple Range Tests for mui vi by thai gian bq Method: 95.0 percent LSD thoi gian Count Ngay 11 16 Ngay 16 Ngay 16 16 Ngay 16 Ngay Ngay 16 Homogeneous Groups Mean 3,4375 3,5625 3,625 3,6875 3,5 3,75 X X X X X X Bang 34: Ket qua cam quan ve mire ua thich thi nghiem ANOVA Table for muthich by thoi gian Source Between groups Within groups Total (Corr.) Sum of Squares Df 1,05208 10,1875 90 11,2396 95 Mean Square F-Ratio 0,210417 1,86 0,113194 P-Value 0,1094 Multiple Range Tests for muthich by thoi gian Method: 95.0 percent LSD thoi gian Count Ngay 11 16 16 Ngay Ngay 16 16 Ngay Ngay 16 Ngay 16 Mean 6,6875 6,8125 6,8125 6,9375 6,9375 7,0 - pcl8 - Homogeneous Groups X XX XX X X X