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quy trnh sn xut ch

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B CNG THNGTRNG I HC CNG NGHIP TP.HCMVIN CNG NGH SINH HC V THC PHM

B MN: THC HNH CH C PH CA CAO

GVHD: ThS. Vit Phng Nhm: 2T 4H v tnMSSVL Th Thu Hng12023191Trn Th Thu12026141Nguyn Th Thanh Xun12024101Phm c Thun12015261L Than Khit12011211

Tp H Ch Minh, ngy 23 thng 9 nm 2015

CHNG 1 CNG NGH SN XUT CH XANH

1.1. Nguyn liu v thit b1.1.1. Nguyn liu Ngun gc: Thn 1 x i Lo, Bo Lc - Lm ng Gi: 14.000 ng/kg S lng: 2.3kg nh gi s b v nguyn liu: do qu trnh vn chuyn v bo qun ko di 48 ting v cha ng cch nn dn n nguyn liu c cht lng nh sau. Mi: khng cn mi thm t nhin ca l tr xanh Mu sc: mu xanh sm, khng cn xanh ti sng Trng thi: t l dp nt nhiu, l b ho, kh, i l b thi. Tr loi mt t, a phn l loi 2.

Hnh 1.1: Nguyn liu ban u m:m=4,976g % m= 75,11%m=5,154g % m=76,43%% m trung bnh=(75,11+76,43): 2= 75,77%

1.1.2. Thit bBp ga Cn k thut Ni inoxNi hp hai tng. Hnh 1.2: Sng tre, mt tre Hnh 1.3: T sy Hnh 1.4: My ghp m Hnh 1.5: Nhit k in t

1.2. Quy trnh sn xut1.2.1. S quy trnh cng ngh

Nguyn liu Ch xanh Dit men Phn loi 1V ch

Lm kh

Phn loi 2

Bo qun

Bao gi

San phm ch xanh

1.2.3. Thuyt minh quy trnh1.2.3.1. Phn loi v lm sch Mc ch cng ngh Chun b cho cng on tip theo Phn loi v lm sch nhm phn loi cht lng tr xanh v loi b tp cht trong nguyn liu, nng cao cht lng sn phm tr xanh.Cch tin hnh Qu trnh lm sch c thc hin trn cc sng lm sch, sinh vin trc tip kim tra v loi b cc tp cht c trong nguyn liu. Sau khi phn loi cht lng ch tip theo ta ra v ro. Sau qu trnh phn loi s thu c cc loi ch sau:Loi 1: 1 tm v 2-3 l, c khi lng l: 300g.Loi 2: b mt tm, l non cng non: 560gLoi b : l a mu, l rch, l ho, l dp. Hnh 1.6: ch loi 1 Hnh 1.7: ch loi 21.2.3.2. Dit menMc ch: S dung nhit cao pha huy h thng enzym co trong nguyn liu che. Do o, inh chi s oxy hoa cac cht, nht la tanin, gi mau xanh t nhin va vi chat cua nguyn liu. Lam bay hi i mt phn nc cua nguyn liu, lam giam ap lc trng n cua t bao, do o la che tr nn mm diu, thun li cho qua trinh vo. Lam bay i mui hng ngai cua nguyn liu, bc u tao hng thm cho che xanh.Phng php dit men Phng php : hp Thi gian dit men: 3 - 6 pht. Thi gian sy gim m: 20 30 pht Nhit sy gim m: 65 70oC Khi lng : 280g/m Sau sy cn: t 280g gim cn 150g. Hao ht 130g tc l 46.43%.Thit b s dng: S dng ni hp hai tngCch tin hnh: un nc si tng di ri cho l ch xanh vo tng trn vo ni hp khong 3 - 6 pht. Sau qu trnh hp phi tin hnh ra mt tre lm ngui v lm ro nc nhanh tip theo em sy 65 700C trong vng 20 30 pht lm kh l ch v gim m trong l xung. Kt thc qu trnh sy ta kim tra bng cch nm cht l ch nu khng b t th c.Cc bin i ca nguyn liuEnzyme b v hot, l mt nc v tr ln mn hn, c bn c hc cao mt mu xanh t nhin. Sau qu trnh hp m ch tng 1 3%. Hnh 1.8: Ch khi bt u hp Hnh1. 9: Ch khi hp c 2 pht Hnh 1.10: ch khi hp c 4 pht Hnh 1.11: kt thc qu trnh hpYu cu v bn thnh phm: Mu sc: Mu nu xanh sm Trng thi: L mm du, b khng gy, l mt mu xanh t nhin. 1.2.3.3. V chMc ch cng ngh Qu trnh v ch nhm mc ch ph v cu trc t bo ca l ch, gii phng dch bo ra b mt ca l, gip cho qu trnh pha tr sau ny c hiu sut trch ly tt. To cho cnh ch c hnh dng xon trn. Cch thc hin Phng php: v th cng bng tay. Cc bin i ca nguyn liuDch trong l ch chy ra ngoi, cu trc ca l ch b ph v. Cnh ch s xon cun li.Ln 1: trn sng tre (kn) trong 20 -30 pht. 2 pht o nguyn liu mt ln. Hnh 1.12 : bin i ca ch t khi bt u ( 0 pht), 10p, 20p, kt thc (30p).Ln 2: trong ti vi trong 20 -30 pht. 3 pht o nguyn liu mt ln.

Hnh 1.13: Bin i ch khi v 10 pht, 20 pht, v kt thc.Yu cu: pha c nhiu nc, dp t bo khng qu 60 %. Cnh ch phi xon cun ng yu cu.Vn t hai ln v:

Hnh 1.14: vn ch t v ch bng tay v bng vi.Vn t hai ln v l 12.71g chim 4.5%.1.2.3.4. Lm khMc ch cng ngh Lm kh ch l lm gim hm m ca ch xung n m an ton. Ngoi ra qu trnh lm kh cn c ch v tiu dit mt s vi sinh vt c trong ch (Vi sinh vt c th ti nhim vo bn thnh phm trong qu trnh v). Qu trnh lm kh s gip cho cc phn ng ha hc din ra, to hng v c trng cho tr xanh thnh phm. Cc bin i ca nguyn liu m ca ch gim xung thp, ngoi ra cn c ch vi sinh vt. Mu v hng c hnh thnh do tc dng ca nhit Phng php sy Phng php lm kh: sao Nhit : 80 - 1000C Thi gian: 30 60 pht ( n khi kt thc ). a, bt u sao b, 10 pht c, 20 pht

d, 30 pht e, kt thcHnh 1.15 : qu trnh sao ch t khi bt u n kt thc.

Yu cu: ch xon cht v bng, ch kh c mu tro hoc bc, hng thm ch c tng cng, v cht m. m 3- 5%, khng b chy.1.2.3.5. Phn loiMc ch cng ngh Phn loi nng cao cht lng tr thnh phm.

Phng php thc hinTrong cng ngh sn xut tr xanh, ch tiu phn loi ch yu l da vo kch thc. Thng thng trong kha phn loi tr theo kch thc, ngi ta phn tr thnh cc nhm: tr cnh, tr mnh, tr vn v cm.Tr cng vn cht lng tr cng km, ngi ta s s dng n sn xut tr ti lc.1.2.3.6. Sn phmLm ngui: Khi ch sau khi lm kh cn h nhit xung bng nhit phng trnh b vn cc.Phn loi: Dng sng phn loi ch xanh thnh 3 nhm sn phm: ch cnh, ch mnh v ch vn. Cc sn phm ny c cn ring ri tnh t l, sau cng li tnh hiu sut thu hi.Sau khi phn loi cn phi bo qun ch bp kh theo phng php bao kn. Cn ng ch trong ti nilon v ni kh ro.Vo ti PE chun b nhn.S dng my hn bao b ghp m gi ch.1.3. Ch tiu cht lng Ch tiu cm quan: Trng thiMu xanh t nhin, cnh ch di, xon u non

MuXanh vng trong sng

MiHng thm t nhin

VCht m

nh gi ch tiu cm quanCh

ThyNhm 1Nhm 2Nhm 3Nhm 5Trung bnh

Mu343333.2

Mi333333

V233222.4

Trng thi222232.2

Tnh kt qu:im cm quan c trng lng:3.2 x 0.6 + 3 x 1.4 + 2.4 x 1.2 + 2.2 x 0.8 =10.76 th mu1,92

mi4,2

v2,88

t.thi1,76

Ch tiu ha l

Tn ch tiuMc

Hm lng cht tan, % khng nh hn34

Hm lng tanin, % khng nh hn20

Hm lng cafein, % khng nh hn2

Hm lng cht x, % khng nh hn16,5

Hm lng tro tng s,%T 4-8

Hm lng tro khng tan trong axit, % khng ln hn1

Hm lng tp cht l(khng tnh st), % khng ln hn0,001

Hm lng tp cht st, % khng ln hn7,5

m, % khng ln hn3

Hm lng vn, % khng ln hnCh c bit, OP,PCh BP,BPS10

Hm lng bi, % khng ln hnCh c bit, OP,PCh BP,BPSCh F0,515

V hnh thc: Gi ch phi kn, vung vc, m ghp thng, khng b lch. Nhn sn phm phi ng quy nh.1.4. nh mc nguyn liu v gi thnh sn phm1.4.1. gim khi lngCng on% hoa htTr ban u (2.3 kg)

Tr loi 1 (g)Tr loi 2 (g)Tng (g)

Phn loi63.5280560840

Dit men19180500680

V ch19.1175375550

Lm kh66.550134.2184.2

Sn phm0.00150134184

1.2.2. Gi thnh sn phm2.3kg ch nguyn liu c gi l 32.2 VN m sn phm ca nhm c khi lng l 184g. Gi sn phm = 32 200 + 20% x 32 200 =38 640Thm chi ph bao b : Nhn: 10Vy gi sn phm l 1.5. Nhn xt c sn phm ch xanh t cht lng tt nht th mi bc t khu nguyn liu n khu cui cng u phi kim sot cht ch. bi thc hnh ca nhm cha lm tt nhng yu t sau y. Nguyn liu: bo qun cha ng cch, nguyn liu khng t. Nhit : cha kim sot tt dn n hi qu la, V ch: cnh ch cha xon t. kin: - Nguyn liu khi vn chuyn ng di khng nn cho vo bao v nn chtNn di u vo thng xp c lp trn v di, trnh lm dp l ch. Nn c xe vn chuyn nguyn liu ring bit vi dng c c trang b tt. lm sn phm ch xanh nguyn liu cn c hi vo sng sm v vn chuyn lun.

CHNG 2: CNG NGH SN XUT C PH BT (NGUYN CHT)CNG NGH SN XUT C PH BT (C PH GIA)

2.1. Gii thiuQu trnh ch bin c ph bt l to iu kin thun li cho cc bin i trong ht c ph xy ra ti a hnh thnh nn nhng tnh cht c trng cho sn phm c ph bt. Di tc dng ca nhit cao trong thi gian thch hp bin i cc thnh phn ha hc ca c ph nhm to nn nhng cht mi khng c trong nguyn liu ban u, to nn mu sc, hng thm v v c trng ca c ph rang.Rang c ph l khu quan trng ca cng ngh ch bin c ph v n quyt nh n cht lng dch c ph trch ly2.2. Nguyn liu v thit b2.2.1. Nguyn liu S lng dng trong th nghimCn 400g mi loi c ph v 100g c ph rang th Gi cC ph ch: 7 kg x 52.000 = 420.000.C ph vi: 7 kg x 50.000 = 357.000. 2.5 kg x 46 = 115.000. Cht lng ban uTn c phMuTrng thiHnh nh

C ph chC mu xanh xmHt c ph hnh bu dc

C ph viC mu xanh bcHt c ph c hnh trn, dy

2.2.2. Dng c - Thit b-Ph gia2.2.2.1. Dng c v thit bDng c - Thit b

Hnh nh

My rang c ph

My xay c ph

T sy

Cn phn tch

Khay inox

Nhit k hng ngoi

Ni inox

My p PE

2.2.3. Ha cht v ph giaHa cht v ph giaHnh nh

B fair, u nnh

Mui

Hng c ph

2.3. Quy trnh sn xut2.3.1. Quy trnh sn xut c ph bt( khng ph gia)2.3.1.1. Quy trnh

Nguyn liuCnLy mu xc nh mRangPhn loinh gi cht lngPhn cLm nguiXayC ph bt Bao gi

2.3.1.2. Thuyt minh quy trnhCc cng onMc chPhng php tin hnhCc tin hnh

CnXc nh khi lng c phKhi lngLy c ph ch v c ph vi cn trn cn phn tchCn 400g mi loi c ph rang thnh phm v 100g rang th

Ly mu xc nh mXc nh m trong c ph nhnSyCn 10g mi loi c phLy c ph em vo t syXc nh m

Phn loiLoi b cc tp cht ln vi ht c ph m bo cht lng sn phmTh cng mi loi c ph khay inoxLoi b ht gy, su mt, ht en, ht mc.

nh gi cht lngLa chn ht c ph t yu cuCm quanLa chn nhng ht c ph c mu sng, ht to

Phn cThch hp cho vic rang nhit v thi gian khc nhauTh cng mi loi c ph khay inoxDa theo kch thc ca ht c ph phn t