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Hoa c ph Qu chn

Cc yu t nh hng n cht lng mi v c phGing, iu kin canh tc & cng tc thu hoch.Phng php ch biniu kin bo qun v nhng vn cht lng.

1. Ging, iu kin canh tc v cng tc thu hoch Ging:- C ph Arabica (c ph ch): Nc pha l m du, thm, chua ngt v th cht nh.- C ph Robusta( c ph vi): Hi ng cht t thm, t chua ngt nhng th cht m .t ai, a hnh v kh hu vng trng:- ng vai tr quyt nh trong sinh tng hp cc cht to mi.- Nng, ma, nng lnh, loi t, lm thay i thnh phn hu c v khong.- Vng cao nhit thp v bin ngy m ln th ht c ph thng rn chc hn.- Kh hn, m thp th kch thc ht gim- Sng mui, ma lm ht c vt en lm m.

C ph ch (Arabica) C ph vi (Robusta)

S tn cng ca cn trng v nm bnh trn vn cy nh hng n cht lng.Ha cht bo v thc vt nh hng n mi ca nc pha.Dinh dng khong.- Bn tha N(m) lm tng hm lng caffein trong ht v tng v ng trong nc pha.- Bn tha K lm nc pha kht v cht hn.- Thiu st trn t c PH cao sn sinh cc ht mu h phch .- Bn Cu v phun thuc dng cy khng nh hng cht lng .- N, P lm tng sn xut tinh bt v Hemicellulose trong ht c ph Caturra.

Cht lng cc loi qu thu hoch- Qu chn y - Qu xanh, qu ng- Qu chn nu, qu qu chn- Qu chn p- Qu su bnh- Cc qu kh trn cy v cc qu kh rng di t mt thi gian di

Ht c ph Robusta c thu hoch v phi kh tri v nhp kho hay em xay ly c ph nhn

2. Phng php ch bin:2.1 Cc phng php ch bin:C 2 phng php ch bin: ch bin kh v ch bin t.2.2 Phng php ch bin v cht lng:C ph ch bin t cho c ph nhn mu sc p v nc pha t ng cht hn c ph vi c ch bin kh. 2.3. Thit b ch bin

S ch bin c ph nhn

Phng php ch bin khL phng php ch bin lu i v n gin.

Phi /sy: nhit khong 50 55oCBc v

C ph nhn v v khi va xay xong, v c th c ti ch bn li cho cy c ph.

Phng php ch bin tThu nhnXt v Tch lp nhy (ln men)Ra v phn loi theo t trng dng ncPhi / syTch v

Thu nhnQu t: 85% tri chn, 12% tri vngPhn loi bng cch cho vo b nc

Thu hoch c ph ti Cng ty Thng Li

Xt vCn thc hin cng sm cng tt trnh sinh ra cc mi l.Yu cu: khng lm tn thng n v thc v ht c ph bn trong.C nguy c nhim vsv cao.Lp tht tri c th c dng trch ly thu caffein v cc hp cht khc.B lm thc n gia sc.

Tch lp nhy (ln men)Thnh phn ha hc ca lp nhy c ph

Thnh phnPhn trmNc84,2Protein8,9ng4,1Pectic acid0,9Tro0,7Tng s98,8

Cc dng nn menLn men t nhinBin php sinh ha, s dng enzymeBin php ha hc, vi xt (NaOH, Na2CO3)Nc mMa st

Trong qu trnh ln men sinh ra mt s enzyme: protopectinase, pectinase, pectinesterase, pectase.C s pht trin ca mt s nm men, nm mc, vi khun

nm menng cn (C2H5OH) vi khunCn acid (lactic, butyric, carboxylic)To nn v chua trong ht c ph.nh hng ca nhit v thi gian ln men n kh nng tch lp tht qu vi nguyn liu l qu xanh

Ch ln men c ph sau khi bc v nh sau: - Nhit : t 20oC n 25oC; - Thi gian ln men: 25 gi i vi khi qu chn v 30 gi i vi khi qu xanh; - pH thch hp t 4,5 n 6. - S dng dng nc chuyn ng lin tc kt hp vi i lu n nh nhit v pH ca khi c ph khi ln men. - m bo ch ln men hiu kh bng cch lin tc xc khng kh sch vo dng nc khi dn lu qua khi c ph trong qu trnh ln men.

(http://irv.moi.gov.vn/socuoithang/toancanhkhcn/2008/8/19879.ttvn)

RaPhi ra trit cht nhy nu khng s l iu kin thun li cho vsv pht trin nh hng n v c ph sau ny.

Phi / syPhi sy phng php ch bin t n gin hn trong phng php ch bin kh. Sy ti m khong 12,5%Hin nay, c 3 phng php sy c ph t:Sy t nhinSy nhn toSy kt hp Trong ch bin c ph ch, phi (sy) l cng on rt quan trng. ... nng trc tip t l t bng than, ci, du v s nh hng n hng v ca c ph

My sy c ph (http://www.ecvn.com/viewDetailOffer/offerId/lang/2659/1)

Phi c ph trn sn kho t tiu chun ti Cng ty Thng Li

C ph ang c sy

Tch vTch v la bao bc ht.m bo m ca ht trong qu trnh tch v.

C ph vi khi rang ln

Mt s li: c ph c mu xanh xm, khng u, c nhiu li do nhn b suy gim cht lng khi ch bin nh: nhn b en l rt r, nhiu nhn c mu na en, mu nu hoc m en.

3. iu kin bo qun v nhng vn cht lng:Nu m ht cao, c ph c th b cn trng hoc nm mc v vi khun tn cng lm gim cht lng, biu hin l s thiu mi thm trong nc pha ( nht, v v )Trong iu kin mi trng kh ro s bin i mu sc ht nh sau: xanh lam xanh vng vng vng trng.Trong iu kin m t: xanh lam trng nu en.V sau mt thi gian c ph khng cn ung c na. C ph rt d hp thu mi v l do kh bo qun cn trnh xa cc ni nh: tri gia sc, kho ha cht v cc dng c cha ha cht.

Nm th nh gi cht lng c ph

Ti liu tham khohttp://irv.moi.gov.vn/socuoithang/toancanhkhcn/2008/8/19879.ttvn.http://www.ecvn.com/viewDetailOffer/offerId/lang/2659/1.http://irv.moi.gov.vn/socuoithang/toancanhkhcn/2008/8/19879.ttvn.

(http://irv.moi.gov.vn/socuoithang/toancanhkhcn/2008/8/19879.ttvn)

Nhit khi c ph khi ln men nh hng rt r rt ti cht lng ca c ph nhn. Khi ln men nhit thp (15oC-17oC) nhn c ph c mu xanh lc xm l mu khng mong mun, cn ln men nhit cao (30oC- 35oC) nhn c ph tuy c mu xanh xm nhng hi ti v ht en l r. Khi ln men nhit trung bnh (20oC-25oC) nhn c ph c mu xanh xm, sng mu. y l mu c ph nhn c a chung v c cht lng tt nht. T , c th kt lun nhit ln men t 20oC n 25oC l tt nht.