Phan01 Tong Quan

Pht trin sn phm mi

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PHN ITNG QUAN NGUYN LIU

GVHD: Th.S. Nguyn Th Thanh Bnh

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Pht trin sn phm mi


PHN I: TNG QUAN NGUYN LIU 1. Nguyn liu chnh 1.1. C BASA C basa, cn c tn gi l c gio, c st bng, l loi c da trn c tr kinh t cao, c nui tp trung ti nhiu nc trn th gii.

Phn loi Theo h thng phn loi Tyson Roberts, c ba sa thuc h Pangasiidae, ging Pangasius, loi P. bocourti. Trc y c Basa c nh danh l Pangasius pangasius (Hamilton) (Mai nh Yn et al., 1992; Trng Th Khoa, Trn Th Thu Hng, 1993), Pangasius nasutus (Blecker) (Kawamoto et al., 1972). c im sinh hc V ngoi hnh, c ba sa rt d phn bit i vi cc loi khc trong h C tra. Thn ngn hnh thoi, hi dp bn, ln trn, bng to tch ly nhiu m, chiu di tiu chun bng 2,5 ln chiu cao thn. u c ba sa ngn hi trn, dp ng. Ming hp, chiu rng ca ming t hn 10% chiu di chun, ming nm hi lch di mm. Di rng hm trn to rng v c th nhn thy c khi ming khp li, c 2 i ru, ru hm tren bng chiu di u; ru hm di bng 1/3 chiu di u. Rng trn xng khu ci l mt m c vt lm su gia v hai m rng trn xng l ma nm hai bn. C 40-46 lc mang trn cung mang th nht, vy hu mn c 31-36 tia vy. Rng vm ming vi di rng trn xng khu ci GVHD: Th.S. Nguyn Th Thanh Bnh Trang 7

Pht trin sn phm mi


gia v rng trn xng l ma 2 bn. Chiu cao ca cung ui hn 7% chiu di chun. Mt lng c mu nu, mt bng c mu trng. Phn b C ba sa phn b rng Myanma, Java, Thi Lan, Campuchia, Vit Nam. C sng ch yu nhng sng rng nc chy mnh (Mai nh Yn v ctv, 1992). y l i tng nui nc ngt c sn lng xut khu ln nht hin nay. Ngh nui c basa trong b rt pht trin trn th gii di m hnh nui mang tnh cng nghip vi mt cao, nng sut trung bnh 130-150 kg/m/nm. Hin nay c khong 4.000 b nui, sn xut trn 40.000 tn/nm. C sng y n tp thin v ng vt. T l Li/L (chiu di rut/chiu di ton thn) nh thay i theo loi thc n t 1,78 trong t nhin n 2,36 khi nui b. C ging th nui trong b c 80-150 g/con, c nui vi khu phn cho loi n tp (50% cm, 30% rau, 20% c v bt c) sau 10-11 thng t trng lng 800-1500 g/con (Phillip). C tng trng nhanh trong t nhin, mt nm tui 0,7 kg, hai nm tui 1,2 kg (L K Huy), kch c ti a khong gn 1 m, trng lng 15-18 kg. C ba sa Vit Nam Vit Nam hai h chnh trong b c trn c nghin cu l h Pangasiidae v Clariidae. H Pangasiidae c 21 loi thuc 2 ging: ging Pangasius c 19 loi v ging Helicophagus c 2 loi. C mt loi sng trong nc l, 2 loi sng bin. Tnh n ca cc loi trong h Pangasiidae thay i ty theo giai on pht trin ca c th. Trong h Pangasiidae 2 loi c ba sa v c tra l c nui kinh t ca ng bng sng Cu Long, c bit trong hnh thc nui tng sn. Hng nm ngh nui c b cung cp hng ngn tn c ba sa cho th trng trong nc, thm vo l hng ngn tn nguyn liu cho thc n gia sc. Nu trong nm 1993 sn lng nui b min Nam Vit Nam c lng vo khong 17400 tn hu ht l t cc b nui sng M Kng, th ch ring c ba sa chim sn lng ny (13400 tn). Trong nm 1996 sn lng loi c ny khong 15000 tn (Phillip Cacot). GVHD: Th.S. Nguyn Th Thanh Bnh Trang 8

Pht trin sn phm mi 1.2. C basa ng lnh Quy trnh sn xut c basa ng lnh


Hnh 1. S d quy trnh ch bin c basa phi l C basa nguyn liu sau khi c kim tra, cn phn loi s c em ct tit v b vo bn ngm. Tip s c ct fillet loi b ht nhng phn km gi tr nh u xng ... ch ly hai ming tht c v c ngm trong dung dch st khun v ty mu da v tht c. Tip tc ming fille c em cn nh mc v ra ln 1 loi b mu, nht, tp cht v vi sinh vt trn ming c.


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Pht trin sn phm mi


Cng on tip theo l lng da nhm tch da ra khi ming fille c, tip tc li em nh hnh (loi b m, phn c tht , chnh sa ming fillet sao cho p mt, tng gi tr cm quan cho sn phm v ko di thi gian bo qun). Tip , c c em cn nh lng v ra tip ln 2, sau em phn loi ln na loi b nhng ming fillet khng t chun ri tip tc ra ln 3. Cng on tip theo l quay thuc tng trng tng gi tr cm quan (ming fille mm, bng p) v tng trng lng ming c ln. Tip tc l cng on phn loi theo mu sc v kch c. Ri sau em ra, xp khun v cp ng (dng block hoc ng IQF bng chuyn). Sau khi cp ng, c s c em i tch khun, m bng v bao gi c c sn phm c basa fillet ng lnh. Nhng phn tht c cn dnh li trn da cng vi nhng phn c tht v nhng ming fillet c c kch c v mu sc khng t chun tuy khng c gi tr cm quan tt, nhng vn cn gi tr v mt nguyn liu thc phm cp ng nh cho, surimi...) Trong ti ny th nguyn liu chnh sn xut ra sn phm chnh l d vn c basa ng lnh, c em i ch bin to thnh sn phm c gi tr cao hn cho tm t d vn c basa. cng c em i ng khun v c dng lm nguyn liu sn xut mt s sn phm gi tr gia tng (v d


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Pht trin sn phm mi 1.3. Thnh phn ho hc ca c basa


Thnh phn ha hc ca ng vt thy sn gm c: nc, protein, lipit, gluxit, vitamin, khong gluxit trong ng vt thy sn thng rt t v tn ti di dng glycogen . Thnh phn ha hc ca cc loi c khc nhau s bin i ty thuc vo s thay i ma, tp tnh di c, nhng yu t ny c quan st thy cc loi c sng hoang d. C nui cng c th khc nhau v thnh phn ha hc, nhng trong trng hp ny mt vi yu t c kim sot, do vy c th d on c thnh phn ha hc ca c. Trong chng mc no , ngi nui c c th iu chnh thnh phn ha hc bng cch la chn cc iu kin nui. Cc yu t nh thnh phn thc n, mi trng, kch c c v cc c tnh di truyn cng nh hng n thnh phn ha hc v cht lng ca c nui (Reinitz v cng s, 1979). Yu t nh hng r nht n thnh phn ha hc ca c l thnh phn thc n. Ngi nui c quan tm n vic lm cho c ln cng nhanh cng tt vi lng thc n t nht, v trong nui c, chi ph thc n l ch yu. C c kh nng pht trin nhanh nht khi nui vi khu phn c hm lng lipit cao cung cp nng lng v hm lng protein cao c thnh phn cn i ca axit amin. Thng thng, hu ht cc loi c s dng mt phn protein cung cp nng lng khng k n hm lng lipit. Khi hm lng lipit vt qu mc cao nht c chuyn ha cung cp nng lng th lipit d tha s c tch ly cc m lm cho c c hm lng lipit rt cao. Ngoi nh hng khng tt n cht lng ni chung, n cng c th lm gim nng sut ch bin, v hu ht lipit d tha s tch t nhng ni d tr trong khoang bng u b xem l ph liu v b loi b sau khi moi ni tng v phil. Cch thng thng gim hm lng lipit ca c nui trc khi thu hoch l cho c i mt thi gian. 1.3.1. Protein C th chia protein trong m c thnh 3 nhm sau: + Protein cu trc: gm actin, myosin, tropomyosin v actomyosin chim khong 70-80% tng lng protein c. Cc protein ny ha tan trong dung dch mui trung tnh c nng ion kh cao (> 0,5 M). GVHD: Th.S. Nguyn Th Thanh Bnh Trang 11

Pht trin sn phm mi


Cc protein cu trc c chc nng co rt m nhn cc hot ng ca c, actin v myosin tham gia trc tip vo qu trnh co dui c. + Protein tng c: gm myoalbumin, globulin, myoglobin v cc enzyme v chim khong 25-30% tng lng protein c. Cc protein ny c tnh tan trong nc, tan trong dung dch mui trung tnh c nng ion thp (< 0,15 ). a s protein tng c l cc enzyme tham gia vo s trao i cht ca t bo, nh s chuyn ha nng lng trong iu kin ym kh t glycogen thnh ATP. Nu cc ni bo quan trong t bo c b ph v, nhm protein ny cng c th cha cc enzyme tham gia trao i cht nm bn trong li ni bo tng, ty th v th men. + Protein m lin kt gm: colagen, elastin chim khong 3-10% tng lng protein trong c. Protein ny khng tan trong nc, trong dung dch kim v trong dung dch mui c nng ion cao. Protein m lin kt km gi tr dinh dng hn so vi cc protein cu trc v protein tng c v protein m lin kt kh b thy phn di tc dng ca Enzyme pepsin v Tripsin. Proteni trong tht c chim khong 17,4% n 18,4% khi lng ca c. 1.3.2. Cht bo - Lipid Cht bo l cu t nng lng ln, l cht ti mt s Vitamim (A, D), l cht xy dng t bo v trao i cht. Trong cc loi c khc nhau th thnh phn cht bo khc nhau nh c nc ngt c hm lng 5,1%, c bin 6,7%, c nc l 12,2%. Lipit trong cc loi c xng c chia lm 2 nhm chnh: Photpholipit Triglyxerit. + Photpholipit to nn cu trc ca mng t bo, v vy chng thng c gi l lipit cu trc. + Triglyxerit l lipit d tr nng lng c trong cc ni d tr cht bo, thng trong cc t bo m c bit c bao quanh bng mt mng photpholipit v mng li colagen mng hn. Triglyxerit thng c gi l lipit d tr. Da vo hm lng lipit d tr m phn loi c bo hay c gy. cc loi c gy hm lng lipit d tr rt t, khng ng k m ch yu l lipit cu trc. C gy d tr lipit gan GVHD: Th.S. Nguyn Th Thanh Bnh Trang 12

Pht trin sn phm mi


cn cc loi c bo d tr lipit trong cc t bo m khp c th. Cc t bo m to nn kho lipit cc loi c bo nm trong m di da, trong c bng c v trong cc c lm di chuyn vy v ui. Mt s loi c c hm lng lipit cao qu mc c th d tr chng trong khoang bng. Tm li, kho lipit c mt khp cu trc c tht. S tp trung cc t bo m nhiu nht vch c v vng gia c tht mu sng v c tht mu sm (kiessling v cng s, 1991 ). C tht sm c cha mt s triglyxerit bn trong t bo c, ngay c i vi c gy, v c tht ny lipit c th chuyn ha trc tip cung cp nng lng cho c. Cc t bo c tht mu sng s dng glycogen nh mt ngun nng lng cho qu trnh chuyn ha ym kh. 1.3.3. Nc Nc l thnh phn ng vai tr quan trng trong i sng, cht lng ca c. Trong c nc chim t 67,7% n 75,2%. Nc tham gia vo phn ng sinh ho, vo cc qu trnh khuch tn trong c, to iu kin cho vi sinh vt pht trin, ngoi ra lin kt vi cc cht protein. 1.3.4. Gluxit Thnh phn gm: Monosacarit C6H12O6 nh glucoza, fructoza v galactoza. Disuarit (C12H22O11 ) nh saccaroza, lactoza. Polysacarit gm mt lng ln monosacarit v cc hp cht khc. Gluxit trong c khng phi l cht t trng ch c polysacarit vi lng nh trong gan v cc phn khc. 1.3.5. Cc hp cht trch ly cha Nit. Cc cht trch ly cha Nit l nhng cht cha Nit phi protein c kh nng ha tan trong nc v c khi lng phn t thp v chim khong 9-18% tng lng Nit trong cc loi c xng. Thnh phn c bn ca nhm ny l: cc baz bay hi nh amoniac (NH3), Trimethylamin oxit (TMAO), Trimethylamin (TMA), Creatine, cc axit amin t do,... GVHD: Th.S. Nguyn Th Thanh Bnh Trang 13

Pht trin sn phm mi


Cc cht trch ly cha Nit c quan tm nhiu bi v chng nh hng n cc tnh cht nh mi v, trng thi cu trc, dinh dng, s h hng ca nguyn liu sau thu hoch. Cc cht trch ly cha Nit gp phn vo s h hng ca nguyn liu thy sn. Cht trch ly cng cao kh nng h hng cng nhanh. + TMAO (Trimethylamin oxit): l thnh phn c trng v quan trng ca nhm cht cha Nit phi protein v c trong tt c cc loi c bin nhng c nc ngt TMAO ch cha mt lng t hoc khng c. Hm lng TMAO trong m c ph thuc vo loi, ma v v mi trng nh bt. + Axit amin t do: chim khong 0,5-2% trng lng c tht. Cc axit amin t do ny gp phn to nn mi v c trng ca nguyn liu thy sn. Lng axit amin t do cng nhiu th vi khun gy h hng pht trin cng nhanh chng phn hy axit amin thnh sn phm cp thp: NH3, H2S, Indol, Skatol Ngoi ra c mi hi thi kh chu v c kh nng gy ng c cho ngi tiu dng. Trong s cc axit amin t do, quan tm nhiu n Histidin. Histidin c nhiu trong cc loi c c c tht . Histidin c th b vi sinh vt kh nhm cacboxyl hnh thnh c t Histamin. Histidine decacboxylaza Histidin Histamin Histamin c kh nng gy d ng cho ngi tiu dng khi hm lng Histamin >20 mg/kg tht c c kh nng gy ng c. Hm lng axit amin t do ph thuc vo tng loi v mc bin i ca c sau khi cht. + Creatin: l mt trong nhng thnh phn ch yu ca cht trch ly cha Nit phi protein. Khi c cn sng creatin tn ti di dng creatinphotphat do kt hp vi axit photphorit. Sau khi c cht creatin photphat b phn gii creatin axit photphorit v gii phng nng lng. Trong c nc ngt hm lng creatin cao hn c bin.


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Pht trin sn phm mi


+ NH3: c trong c tht ca c ti vi mt lng rt t v c mi khai c trng. Khi c cn ti hm lng NH3 thp nhng khi c b n thi th hm lng NH3 c hnh thnh nhiu do vi sinh vt phn hy cc hp cht nh ur, axit amin v cc thnh phn khc. VSV Axit amin cao th cht lng ca c cng km. 1.3.6. Thnh phn mui khong Mui khong cha trong cc hp cht hu c v cc mui ho tan. Trong c cht khong ch cha trong hp cht hu c. C c cc cht khong nh K, Na, Mg, S, Cl v mt lng nh cc hp cht nh Cu, Fe, Mn, I, BrChng tham gia to ra p sut thm thu nht nh ca dung dch lm gim nhit , ng nng ca dch bo. 1.3.6. Vitamin ng vt thy sn ni chung v c ni ring l ngun thc phm qu v ngoi nhng thnh phn dinh dng c bn nh: Protein, lipit, th cn c mt lng vitamin phong ph m c bit l vitamin A v D. Ngoi ra cn c cc vitamin thuc nhm B v vitamin E. Vitamin c chia thnh 2 nhm chnh: + Vitamin tan trong cht bo nh: vitamin A, D v E. Trong vitamin A v D c nhiu trong gan c. Trong mt s loi c bo th vitamin A v D c trong c tht. Vitamin A rt d b oxy ha. V vy thng b tn tht trong qu trnh ch bin. Vitamin D tng i bn vi nhit v t b oxy ha hn. Nu thiu vitamin D th s trao i cht photpho v canxi b ri lon dn n bnh ci xng. + Vitamin tan trong nc: B1, B2, B6, B12, C, Vitamin nhm B c nhiu trong c tht c, cn trong gan th t hn. Tm li, vitamin rt nhy cm vi oxy khng kh, nh sng v nhit v vy chng d b phn hy v tn tht. V th cn phi ch ch x l nhit sao cho thch hp vitamin c bo tn trong ch bin thc phm. GVHD: Th.S. Nguyn Th Thanh Bnh Trang 15 NH3 V vy NH3 cng l ch tiu nh gi cht lng ca c. Nu hm lng NH3 cng

Pht trin sn phm mi

http://www.ebook.edu.vn Thnh phn ha hc ca c basa phi l

Phi l %

m 72,90

Protein 7,8

Lipid 2,7

khong 1,16

Bng 2: Thnh phn ha hc ca c basa phi l Tn loi Tn khoa hc Nc (%) 81.2 69 81.6 63.6 Protein (%) Lipit (%) 17.3 17.3 16 22.5 0.3 11.3 2.1 13.4 1.4 Khong 1.2 2.1

C Tuyt Gadus morhua C Trch C chp C Hi Clupea harengus Cyprinus carpio Salmo trutta

Bng 3. Thnh phn ho hc ca mt s loi c Da vo 2 bng trn ta thy protein c basa cao hn c Trch, c Tuyt v c Chp ch thp hn c Hi, hm lng lipit c basa cng cao nhng thp hn c Trch v c Hi, hm lng nc c basa thp hn c Tuyt, c Chp v cao hn c Trch, c Hi. Bng 4. Thnh phn dinh dng ca c basa Thnh phn dinh dng ( 170g/con) c tra pangasius hypophthalmus. Calo Calo t cht bo Tng lng cht bo Cht bo bo ha Cholesterol 124,52 cal 30,84 cal 3,42g 1,64g 25,2mg Na Tng lng Carbonhydrat Cht x Protein 70,6mg 0g 0g 23,42g


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Pht trin sn phm mi 1.4. c im cu trc c tht c.


V c bn cu trc c tht c gm c cc m c bn nh: m c, m lin kt, m m v m xng. ng v mt thc phm th m c l thnh phn quan trng nht, thng thng trong ch bin, ngi ta ch ly cc bp c chy dc theo hai bn thn c, chng chim khong 30 40% trng lng c th hoc 65 70% ty theo loi c. Cn c vo chc nng cu to v v tr ca cc loi c ta phn ra ba nhm l: C vn ngang cn gi l c xng m bo mi c ng ty , c trn l nhng c ca cc c quan bn trong v c tim cu to nn t chc ca tim. Trong c vn ngang c gi tr thc phm cao nht v n gm c 3 phn: si c, mng si c, mng ngn. 1.4.1. Si c Si c do cc t c (miofibrin), tng c v mng si c to thnh. Si c l n v c bn cu to thnh c tht. Si c hnh thoi, c ng knh khong 10 100m. c bao bc bi mt mng lin kt gi l mng ngoi si c. Bn trong si c dc theo chiu di l cc t c ging nh si ch xp song song vi nhau thnh cc b ging nh mt khi t bo. Gia cc t c c mt lp dch nhy gi l tng c. Hai u si c c rt nhiu t chc hnh si, mm, n hi do elastin cu thnh. Nhng si elastin ni cht si c vi hai mng ngn hai u v gi vng cho cc si c nm gia 2 mng ngn. a/ T c: cn gi l si c l nhng si rt nh xp thnh tng b song song vi nhau to thnh si c. T c c cu to bi actin v myosin c tc dng lm co rt c. Myosin l thnh phn ch yu cu to nn c tht, chim khong 45-50% tng lng protein, t l nc trong myosin khong 80%, myosin ng c nhit 45-50C. Actin c hm lng cao th hai sau myosin, c ng knh khong 5nm v di 2m, actin chim khong15-20% tng lng protein, actin tn ti 2 dng: G-actin hnh cu v Factin hnh si. Actin kt hp vi Myosin thnh actomyosin, cc phn t myosin trong t c sp xp theo nh hng. Nhng phn t ln trong trng thi hnh si di ca myosin v actin cu to thnh nhng kt cu hnh li v n hi tt.


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Pht trin sn phm mi b/ Tng c :


L mt dung dch dnh nht c cha cc protein nh: myoalbumin, myogen, myoglobulin. Ngoi ra c c cht bo v cc mui v c khc. 1.4.2. Mng c Bao gm mng trong v mng ngoi ca si c mng t c, mng ca cc b c bc nht, bc hai Mng c l do protein hnh si cu to thnh m ch yu l colagen (cht keo), elastin (cht n hi), reticulin (cht li) Trong thnh phn ca t chc lin kt c cystin lm cho mng c c tnh do dai. Nh c cu trc hnh li vng chc ca cc mng c m lm cho cu to t chc ca c tht c c bn vng chc v n hi nht nh. S hnh thnh nn vng chc ca tht c khng ch do mng c quyt nh m l do quan h tng h v thnh phn v s lng gia si c, t c, mng trong, mng ngoi si c, mng ngn v cng do hm lng protein, m, nc cng nh s kt hp gia chng. T chc lin kt trong c tht c nh ci gi , v vy n quyt nh vng chc ca c tht. 2. Nguyn liu ph 2.1. ng Trong ch bin thc phm ta thng s dng ng ct trng hoc ng vng. Yu cu ng phi tt, khng c v chua, hm lng saccaroza trn 99% lng nc nh hn 0,2%, khng c tp cht, lng ng kh nh hn 0,1% tinh th ri khng b vn cc.


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Bng 5: Yu cu k thut ca ng dng trong ch bin thc phm theo TCVN (1695-87) Cc ch tiu Hnh dng Mi, v Mu sc Mc cht lng Dng tinh th ti, kh, khng vn cc V ngt khng c v l Mu trng ng nh

ng s dng trong th nghim ny c cc thng s k thut sau: Hm lng saccharoza l 99,7%, m l 0,05%, hm lng ng kh l 0,08% v ng ny do Cng ty ng Bin Ho sn xut. 2.2. Natri glutamat (bt ngt): L mt trong nhng thnh phn c bn ca thc phm thc n chn. Natri glutamat l mui ca axit glutamic mt axit quan trng tham gia cu to nn protit ca ngi v ng vt. Natri glutamat tn ti dng tinh th trng, c v ngt ca tht, hi mn, c kh nng ho tan trong nc. Natri glutamat to v ngt m cho sn phm thc phm li va cung cp mt thnh phn hu c cho thc phm. Bng 6: Ch tiu v bt ngt dng trong ch bin thc phm theo TCVN (1459-74) Cc ch tiu + Cm quan: Trng thi Mu sc Mi v GVHD: Th.S. Nguyn Th Thanh Bnh Khng vn cc, d tan trong nc, dng bt Trng lp lnh Thm, khng c v l Trang 19 Mc cht lng

Pht trin sn phm mi + Ha hc: Hm lng nc pH ca dung dch Hm lng Natri Glutamat Hm lng NaCl St


< 0,14% 6,5 7% > 85% 18% < 0,05%

Natri glutamat (bt ngt) s dng trong th ngh im ny l Aji Ngonmoto, hnh dng bt ngt l ht mn v c 94% hm lng natri glutamat. 2.3. Mui n (NaCl) y l cht v quan trng n to cho thc phm v m , v mn va phi. Mui dng trong thc phm l mui tt c t 95% NaCl tr ln, khng c tp cht v m khng qu 0,5%. Trong mu i khng tn ti cc tp cht n h Ca, Mg, KNu mui c tn ti th khng qu 2,5%. Mui dng trong th nghim ny l mui Iot c hm lng NaCl l 97% v m l 0,5 % v do Cng ty mui Min Nam sn xut. 2.4. Tiu Trong tiu c 1,5 n 2% tinh du, trong tiu c 5 n 9% Pirein v 2,2 n 6% chanxi. Piperin v chaxi l 2 ankaloit c v cay hc lm cho tiu c v cay. Trong tiu cn c 8% cht bo, 36% tinh bt v 4,5% tro. Tiu cn kch thch tiu ho, n ngon ming.


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Pht trin sn phm mi


Bng 7: Cc ch tiu nh gi tiu theo TCVN 5387-1994 Cc ch tiu + Cm quan: Trng thi Mu sc Mi v + Vi sinh: + Ha hc: Hm lng m (%) Cht khng bay hi Tinh du bay hi Hm lng Piperin Tro tng s 1% 6 1 4 Tng nht c gn kt cho cc loi sn phm tht nhuyn th, c th s dng c trong mi loi thit b ch bin. > Cho php tng t l bo trong cng thc ch bin > Ngn cn s pht trin ca vi sinh vt > Ngn cn s mt mt cht dinh dng trong qu trnh bo qun > n nh mu, mi v hnh dng ca sn phm. Mc ch s dng : Dng thay th hn the, gia tng tnh gin dai trong cc sn phm ch bin t tht, c nh ch la, gi la, b vin, c vin, nem, Mc dng: Tu tng sn phm thc phm c th c liu lng thch hp. Khuyn co 0,2 -0.4 % trn tng khi lng thnh phn. Bo qun : ni kh ro, thong mt, trnh nh sng mt tri. nhit thp hn 27oC, m khng qu 70%. -o- CHT LIU BAO B V NG GI Cht liu bao b: Bao nha ( PE ) khng thi nhim chuyn dng cha ng v bo qun thc phm, ngoi l bao Carton Khi lng tnh : 1kg/ bao, 20 bao/ carton. -o- THI HN S DNG: 24 thng k t ngy sn xut Trang 29


Pht trin sn phm mi 3.2. Surimi PLUS + 422 Cng dng: L cht nh ha -o- Thnh phn: Vegetable stabilizers, starch, plant fibers and protein isolates of non-animal origin. Cht n nh rau qu, tinh bt, x thc vt v protein isolates c ngun gc phi ng vt -o- ng dng:


Cht n nh c ngun gc t rau qu tp trung gip nng cao cht lng cho cc sn phm surimi. Cng c dng lm tng hiu qu gn kt trong cc qu trnh kt hp khc. C c tnh to nh tt v c kh nng to ra lc tng tc gn kt gia cc proteinpolysaccharides v cc thnh phn khc trong hn hp, ngn khng cho nc v bo b phn tch ra. D dng s dng v d tan trong nc lnh v n nh c khi r ng sn phm. Liu lng khuyn khch s dng: 20g-40g/kg sn phm. -o- c im Hnh dng: bt mn ri mu trng kem . m :

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