Bi Bo Co Thc Hnh: CNCB Bt C Du C V Tn Dng Ph PhmBi 1: K THUT CH BIN ALGINAT NATRII. Dng c v ha cht, nguyn liu. a. Dng c Bp gas Ni Thau , r :1 ci :1 ci :1 ci a thy tinh: 1ci Nhit k Xng lc ng ong :1 ci :1 ci :1ci

Cc 400ml :2 ci Pipet 10ml : 1 ci

Qu bp cao su : 1ci

b. Ha cht HCl 1% Na2CO3 20% Rong nu Na2HPO4 5% H2SO4 10%

c. Nguyn liu II. Quy trnh ch bin Nguyn liu Ra X l Ra Nu chit Lc Ty mu Axit ha Thu kt ta Chuyn thnh alginat natri Lm kh Sn phm III. Cc bc tin hnh Bc 1: Nguyn liu Chn nguyn liu rong nu t tiu chun: kh, khng mc, mu c trng . Ly 500g rong kh lm th nghim. Bc 2: Ra Cho vo thau ra sch t ct, tp cht. Ra bng nc 3 n 4 ln. Bc 3: X l ( kh khong ) Cho rong vo cc thy tinh. Dng axit HCl 1% x l. Lng s dng ngp rong, ngm vi thi gian 1h. nh k 15 pht khuy o mt ln. Sau vt ra thc hin bc tip theo. Bc 4: Ra Dng nc ra sch axit, ra n khi t trung tnh. GVHD : Nguyn Vn Hiu Page 1

Bi Bo Co Thc Hnh: CNCB Bt C Du C V Tn Dng Ph PhmBc 5: Nu chit Cho rong vo cc thy tinh. Cho Na2CO3 20% v Na2HPO4 5% so vi lng rong. Cho nc vo ngp rong. Nu nhit 550C. Nu cho n khi rong nt ht. Bc 6: Lc Lc qua 3 lp vi mn, b b thu dch lc, b dch lc vo cc. Khi lc nu dch lc kh i qua cc lp vi mn th c th khuy o. Bc 7: Axit ha Cho dch lc vo cc thy tinh. Cho t t axit H2SO4 10% vo, n khi kt ta ni ln nhiu th vt thu kt ta. Dch cn li cho tip H2SO4 10% vo. Nu cn kt ta thi thu kt ta. Lm cho n khi trong dch khng cn keo rong l c. Khng cn keo rong khi cho H2SO4 10% vo m kt ta khng ni ln. Bc 8: Ty mu Cho kt ta vo cc, ri dng nc ra nhiu ln cho sch axit, sau cho dung dch javen 0.5% vo khuy o 10 pht. Sau em so mu nu mu sc cha t yu cu ( trng, vng ... ) th tin hnh ty mu ln tip theo cho n khi t. Ty mu ln sau ging ln trc. Bc 9: Chuyn thnh alginat natri Cho kt ta vo cc thy tinh, sau cho Na2CO3 vi lng 7% so vi lng alginic. mt thi gian th thu c sn phm. Bc 10. Lm kh Sy kh t n m yu cu. IV.Nhn xt, nh gi kt qu. Rong cn m t, mi hi v tanh, dai km Trong qu trnh ra rong cn c nhiu tp cht ( ct .)

Mt s hnh nh trong qu trnh thc hnh GVHD : Nguyn Vn Hiu Page 2

Bi Bo Co Thc Hnh: CNCB Bt C Du C V Tn Dng Ph PhmX l cn

Lc

Hnh 1

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Bi Bo Co Thc Hnh: CNCB Bt C Du C V Tn Dng Ph PhmBi 2: K THUT CH BIN AGARI. Dng c v ha cht, nguyn liu a. Dng c ng ong 200ml: 1ci Cc 500ml Pipet 10ml Nhit k : 2 ci : 1 ci : 1 ci Ni Thau , r Bp gas : 1 ci : 1 ci : 1 ci a thy tinh : 1 ci

b. Ha cht Axit H2SO4 0.5 % CH3COOH 10% Rong chn vt Borat natri 1% Na2CO3 5%

c. Nguyn liu II. Quy trnh ch bin Nguyn liu Ra X l Ra Nu chit Lc Tch nc, tp cht Sy kh Sn phm III. Cc bc tin hnh Bc 1: Nguyn liu Chn nguyn liu rong ch vng t tiu chun ( theo l thuyt hc ). Ly 500g rong kh em lm th nghim. Bc 2: Ra Ra sch t ct, tp cht. Ra bng nc 3 n 4 ln. Bc 3: X l Cho rong vo cc thy tinh. Dng axit H2SO4 0.5% cho vo x l. Lng s dng ngp rong, ngm vi thi gian 1,5h. nh k 10 pht khuy o mt ln. Sau vt ra thc hin bc tip theo. Bc 4: Ra Dng nc ra sch axit, ra n khi t trung tnh. Bc 5: Nu chit GVHD : Nguyn Vn Hiu Page 4

Bi Bo Co Thc Hnh: CNCB Bt C Du C V Tn Dng Ph PhmCho rong vo cc thy tinh. Cho nc vo ngp rong, ri nu si. Cho CH3COOH 10% vi lng1/10 so vi th tch rong, khuy u. Tip tc nu si cho n khi rong nt ht. B sung borat natri 1% so vi lng rong khuy u. Ri dng Na2CO3 5% trung ha cho n khi pH = 6,5 7. Bc 6: Lc Lc qua 3 lp vi mn, b b thu dch lc, b dch lc vo cc. Khi lc nu dch lc kh i qua cc lp vi mn th c th khuy o. Khi lc phi lc lc cn nng. Khi lc nu kh lc th c th dng nc nng 80 900C pha long 15 n 20 ln ri lc. Bc 7: Tch nc, tp cht Bc 8: Lm kh Sy kh 45 oC cho n m Wagar= 18 20%. IV.Nhn xt, nh gi kt qu.

Mt s hnh nh trong qu trnh thc hnh Rong cu ch vng Nu chit

Cng on lc

Thu c sn phm agar

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Bi Bo Co Thc Hnh: CNCB Bt C Du C V Tn Dng Ph Phm

Hnh 2

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Bi Bo Co Thc Hnh: CNCB Bt C Du C V Tn Dng Ph PhmBi 3: K THUT CH BIN BT C CHN NUII. Dng c, nguyn liu a. Dng c Cc a g Nhit k Bp gas Dao Khay Ni 1.5 kg c nc :1 ci Thau, r nha: 1 ci : 1 ci a thy tinh : 1 ci : 1 ci : 1 ci : 1 ci : 1 ci : 1 ci

b. Nguyn liu II. Quy trnh ch bin Nguyn liu Ra X l Nu Sy kh p tch du Nghin Bao gi, sn phm III. Cc bc tin hnh Bc 1: Nguyn liu Chn 1,5kg nguyn liu c hoc cc ph phm thy sn t yu cu. Bc 2: Ra Ra sch t ct, tp cht. Ra bng nc 1 n 2 ln. Lu ch ra nguyn liu ln nhiu bn t, tp cht. Bc 3: X l Dng dao ct nh nguyn liu thnh tng khc. Ct nh qu trnh nu chn thun li. Bc 4: Nu chn Cho c vo ni hp nhit 800C, thi gian hp 30 pht. GVHD : Nguyn Vn Hiu Page 7

Bi Bo Co Thc Hnh: CNCB Bt C Du C V Tn Dng Ph PhmBc 5: Sy kh Sy kh 45oC cho n m W = 18 20%. Bc 6: p tch du Cho bn thnh phm vo thit b p. Sau p du n khi t yu cu. p n khi hm lng lipid cn li 1 1,5%. Bc 7: Nghin Sau khi p xong cho vo my nghin c ng knh l sng 2mm nghin nh phi trn vi cc thnh phn khc sn xut thc n chn nui. Bc 8: Bao gi, sn phm IV.Nhn xt, nh gi kt qu, nh mc sn phm nh mc sn phm. Sau khi thc hnh xong ta tnh c nh mc sn phm Cn nguyn liu: 1.5 kg Bn thnh phm : 430g nh mc BTP = 1500/430 = 3.49g Mt s hnh nh trong qu trnh thc hnh Nguyn liu c nc Ra

Sn phm bt c

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Bi Bo Co Thc Hnh: CNCB Bt C Du C V Tn Dng Ph Phm

Hnh 3

- Nhn xt

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Bi Bo Co Thc Hnh: CNCB Bt C Du C V Tn Dng Ph PhmBi 4: K THUT CH BIN THC N CHN NUII. Dng c, nguyn liu a. Dng c Thau, r nha: 1 ci a g Bp gas Khay Ni : 1 ci a thy tinh : 1 ci : 1 ci : 1 ci : 1 ci

b. Nguyn liu Bt c bi thc hnh trc Ht u nnh

c. Quy trnh ch bin Nguyn liu ng cc Nghin Phi trn bt c To vin Sn phm II. Cc bc tin hnh Bc 1: Nguyn liu Chn nguyn liu ng cc gm b u nnh ( u nnh ), hoc b u phng, bp.Ng cc khng b m mc, vn cc, t tiu chun. Bc 2: Nghin nh Cho ng cc vo my nghin c ng knh l sng 2mm nghin. Bc 3: Phi trn bt c Bt c s dng c m, hm lng m t yu cu. Khng b mc. Bt c nm cht ri bung tay ra khng b vn cc. Ty theo tng loi thc n chn nui m t l phi trn bt c v ng cc khc nhau. Phi trn theo t l bt c/ng cc l 3/1. Ngoi cc thnh phn trn c th phi trn vi cc loi vitamin... i vi sn phm to vin th ta s dng my p n. V d to vin th m hn hp thng 15 20 %. Sau cho hn hp ny vo my p to vin. GVHD : Nguyn Vn Hiu Page 10

Bi Bo Co Thc Hnh: CNCB Bt C Du C V Tn Dng Ph PhmSau khi p to vin xong th sy kh n W = 8 10%. i vi loi thc n chn nui s dng cho thy sn cn phi lm cho thc n ni trn mt nc. Khi ta b sung thm thnh phn nh, c khi lng ring nh thm vo. Mt trong nhng cht c th b sung l agar. Lng b sung 1 5% ty theo tng loi sn phm. Bao gi. Bc 4: Bao gi, sn phm III. Nhn xt, nh gi kt qu Nguyn liu ht u nnh Nghin nh Mt s hnh nh trong qu trnh thc hnh

Sn phm phi trn u nnh vi bt c

Hnh 4 - Nhn xt GVHD : Nguyn Vn Hiu Page 11

Bi Bo Co Thc Hnh: CNCB Bt C Du C V Tn Dng Ph Phm Ht u nnh cht lng tt, bt c cn hi m do qu trnh sy bi 3 cha c kh. Trong qu trnh giang u nnh hi b chy nn khi ta em i nghin nh v phi trn vi bt c khng c mi thm cho lm do giang u nnh chn qu. Ta phi nghin nh phi trn sn phm ny sao cho mn v at tiu chun.

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Bi Bo Co Thc Hnh: CNCB Bt C Du C V Tn Dng Ph PhmBi 5: K THUT CH BIN DU C THI. Dng c, nguyn liu. a.Dng c Cc 500ml a g Nhit k Bp gas b.Nguyn liu - 800g c basa II. Quy trnh ch bin Nguyn liu Ra X l Thy phn Phn ly Ty mu Du th. III. Cc bc tin hnh Bc 1: Nguyn liu Ly 1kg ph liu c tra, hoc c ba sa. Nguyn liu cn ti tt. Bc 2:Ra Ra sch t ct, tp cht. Ra bng nc 2 n 3 ln. Bc 3: X l Cho nguyn liu vo my xay c ng knh l sng 4 6mm. hoc bm nh. i vi nguyn liu gy cn b sung du vo t lng lipid 20%. Sau trn u. Bc 4: Thy phn Lng NaOH s dng 1- 2% so vi lng nguyn liu. Sau pha thnh dung dch 20 % thy phn. Tin hnh: Cho nguyn liu vo cc thy tinh. Cho nc vo vi lng 15% so vi nguyn liu. Nng nhit trong vng 30 40 pht t 50oC. Sau cho 50% dung GVHD : Nguyn Vn Hiu Page 13 : 1ci Tht Ni Xng : 1ci : 1ci : 1ci Thau, r nha : 1ci : 1ci ng ong 200ml : 1ci : 1ci : 1ci

Qu bp cao su : 1ci Pipet 10ml : 1ci Dao : 1ci

Bi Bo Co Thc Hnh: CNCB Bt C Du C V Tn Dng Ph Phmdch xt vo. Tip tc nng nhit ln 90-95 oC trong thi gian 40 pht. Thi gian ny khuy o lin tc. tip theo cho xt cn li vo, khuy u ri duy tr nhit 90-95o

C cho n khi tht c nt hon ton. Cho dch thy phn vo ng ong hoc thit b lng. 1,5h th dch thy

Bc 5: Phn ly phn phn ly thnh 4 lp. Thu 3 lp pha trn, b lp b cui cng. Dch thu c em x l bng nc mui 10% thu c dch c tinh khit cao hn. Cho dch chit vo thit b, cho nc mui 10% vo vi lng 2 ln so vi dch chit. khuy u lng 1,5 2h th phn ly thnh cc lp. Lp cui cng l nc mui ln tp cht. Thu lp trn. Lm vi ln nh vy. Bc 6: Ty mu Cho dch chit vo cc sau cho 0.5% than hot tnh vo khuy u. 30 pht lc qua lp vi lc ( bng ) th thu c du th. em tinh ch thi thu c du c. IV.Nhn xt, nh gi kt qu, nh mc sn phm Mt s hnh nh trong qu trnh thc hnh

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Bi Bo Co Thc Hnh: CNCB Bt C Du C V Tn Dng Ph PhmBi 6: K THUT CH BIN CHITIN - CHITOZANI. Dng c, nguyn liu. ha cht a.Dng c Cc 500ml a thy tinh Nhit k b.Nguyn liu - V cua c. Ha cht - DD HCl 36 : 38% - NaOH - Nc Javen 38% II. Quy trnh ch bin Nguyn liu Ra X l axit Ra X l Kim Ty mu Deaxetyl Ra Lm kh Sn phm III. Cc bc tin hnh Bc 1:Nguyn liu Ly 200g v tm, v cua. Nguyn liu cn ti tt. Bc 2:Ra Ra sch t ct, tp cht. Ra bng nc 2 n 3 ln. Bc 3: X l Cho nguyn liu vo cc thy tinh, sau cho HCl 20% vo vi lng ngp nguyn liu. Ngm cho n khi ht khong. Ht khong l khi khong cn si bt nguyn liu mm. Nu khng si bt nhng nguyn liu cn cng th cn khong. Khi vt nguyn liu ra, dung dch i. Cho nguyn liu vo cc cho axit vo ging trn. GVHD : Nguyn Vn Hiu Page 15 : 1ci : 1ci Bp gas Ni Xng : 1ci : 1ci : 1ci Thau, r nha : 1ci ng ong 200ml : 1ci : 1ci

Qu bp cao su : 1ci Pipet 10ml : 1ci

Bi Bo Co Thc Hnh: CNCB Bt C Du C V Tn Dng Ph PhmBc 4: Ra Cho vo thau ra bng nc 2 n 3 ln. Cho n khi ht axit Bc 5: X l kim Cho bn thnh phm vo cc thy tinh, cho NaOH 3.5% vo vi lng gp 10 ln th tch bn thnh phm. Ngm nhit 650C, vi thi gian 2h. Bc 6:Ra Cho vo thau ra bng nc 2 n 3 ln. Cho n khi trung tnh. Bc 7: Ty mu Dng nc javen 0.3%, vi lng gp 10 ln th tch bn thnh phm. ngm 20 pht. Bc 8: Deaxetyl Cho bn thnh phm vo cc thy tinh. Cho NaOH 40% vo, khuy u nhit 850C, thi gian 4h. Ra sch, sy kh thu c chitozan. IV.Nhn xt, nh gi kt qu, nh mc sn phm

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