QUY TRNH SN XUT TRNG C MUI1.1 Gii thiu v sn phm trng c mui:- Trng c mui l trng c ca nhiu loi c khc nhau c ch bin bngcch p mui, m ni ting nht l t trng c tm. N c bun bn trn th trng th gii nh l cao lng m v v c n ch yu trong dng pht trn cc ngui khai v.- Trong ting Anh, n c gi l caviar,trong ting Ba T c ngha l vt sinh trng. Trn thc t, trong ting Ba T,tn gi ny c dng ch chnh c tm v sn phm ca n l trng c tm.- Hin nay, trng c mui tt nht c c l t c tm c Nga v Iran nhbt bin Caspi. Cc loi trng c mui t nht l cc loi Beluga, Ossetra vSevruga.- Tuy nhin, do vic nh bt v khai thc qa ti cng nh s nhim ngun nc lm cho loi trng c mui mu vng t c tm sng Danube nay gn nh b tuyt chng. V vy, ngi ta phi tm cc ngun thay th r tin hn, c ch bin t trng c hi trng v c hi Bc i Ty Dng v lm cho chng tr nn ph bin hn.- Do gi c rt cao ca n, nn trong vn ha phng Ty th cc loi trng cmui ng ngha vi s xa x v giu c.- Trng c mui c ng trong cc dng nh bp bng sng, g hay vng (x c v nha cng rt ph bin), ch t khi trong cc bng bc hay thp khng r, l cc dng c th nh hng n hng v v mu sc ca trng c mui.- S xut trng c mui thng mi bao gm vic nh bt, x tht c (thng thng vi thn v u) v tch trng ra, mc d hin nay mt s nng dn ang th nghim vic tch trng bng phng php phu thut t c tm sng v iu ny cho php c tm ci c th to ra nhiu trng hn trong thi gian sinh sng ca chng.- Trng c mui l mt sn phm t ng vt v th n khng th coi l mn n chay. Tuy vy, hin nay trn th trng cng c loi trng c mui lm t u tng v n l mt n chay thc th. 1.1.1 Nguyn liu:- Trng c mui l sn phm c a chung trn th gii. Trong qa trnh sn xut trng c mui ngi ta thng hay s dng trng ca c hi,c tm, c trp, c chp, c tr, c tuyt, c trch, c ng1.1.2 Thnh phn ha hc ca trng c:- Nc chim khong 60-70%. Nc trong trng cha trng thnh nhiu hn nc trong trng trng thnh.- Protit: chim khong 20-30% nhiu nht l ichthulin (protit thuc h globulin). Trong protit ca trng c cn c keratoelasin l thnh phn to nn mng trng. Ngoi ra cn c cc axit amin.- Lipid: chim khong 1-22%, cha nhiu leucithin, cholesterol v cc sc t carotene, xanthophylls, astacin. Trong trng c c mt s axit t do trong axit lactic chim khong 0.2-0.5%.- Mui v c: chim khong 1-2%, ch yu l cc mui v c cha P, S.- Trong trng c cn cha cc vitamin A, C, D, B1, B12, H. Hm lng vitamin C trong trng c nhiu hn trong tinh c. Ngoi ra, trong trng c cn cha mt s t glycogen v glucoza.1.1.3 Cch ch bin trng c mui:C sau khi git m, phn ni tng s c ly ra ngoi. Sau tin hnh tch trng ra khi phn ph liu trn bng tay. Nu nh trng c cha ch bin ngay th ta bo qun bng cch ng lnh. Sau tin hnh p mui bng cch ngm vo trong dung dch nc mui c nng 20% trong vng 20 pht. Sau trng c c a vo hp xen k mt lp trng c l mt lp mui mng,gi nh th trong vng 1 tun sau em i bo qun nhit 5C.1.2 Cc quy trnh ch bin trng cc mui:1.2.1 Quy trnh sn xut trng c mui t:

C

Ni tng khcM ni tng

NcPhn loi, ra

Trng c

p mui

Vo hp

Bo qun

Trng c mui t

1.2.2 Quy trnh sn xut trng c mui kh:

Trng c

Muip mui

(nng 3-5%, 20 gi)

NcRa

Ro nc

p

DuLm kh, ri du

Trng c mui kh

1.3 Ga tr ca sn phm trng c mui:1.3.1 Ga tr dinh dng:- Trng c mui l sn phm c gi tr dinh dng kh cao. Trongthnh phn dinh dng ca trng c mui gm c cht bo chim 13%, phospholipids chim 6.2% v cholesterol chim 0.4%, hm lng protein trong trng c hi mui l rt cao c bit giu lysin, methionine v isoleucine. Trong thnh phn ca trng c mui kh, nc chim 16%, protein chim 43%, cht bo chim 40% v tro chim 1%.- Trng c cha rt nhiu vitamin v cht bo rt cn thit cho s pht trin conngi nh vitamin A, D.1.3.2 Ga tr y hc: - Choline trong trng c mui khi c hp th vo cc t bo no chuyn thnh acetylcholine mt cht dn truyn thn kinh. Nu thiu ht n s gy ra cc triu chng mt tr hay nghim trng hn l bnh Alzheimer. Tuy vy, khng nn s dng qu nhiu v n cha nhiu purin lm tng axit uric trong mu gy vim khp v bnh gt.

TI LIU THAM KHO:http://www.tinmoi.vn/quy-trinh-tao-ra-mon-trung-ca-ngan-do-011272963.htmlhttp://news.zing.vn/Ben-trong-xuong-che-bien-trung-ca-tam-nghin-do-post334678.htmlhttp://www.caviardeduc.net/cocircng-ngh7879.htmlhttp://luanvan.net.vn/luan-van/de-tai-tan-dung-phe-lieu-tu-ca-37945/http://www.khoahoctre.com.vn/th-vin/tu-duy-sag-tao/2063-7-thc-phm-tng-cng-tri-nh.html