u xun nm mi chc BNH ANChc sang nm mi nhiu TI LCChc lun TUI TR, chc AN KHANGCng thnh doanh toi chc VINH QUANG.

NH GI CHT LNG BIA THNH PHMKHOA CNG NGH THC PHMGING VIN: NGUYN TH HINNHM THC HIN: NHM 9H Ni, ngy 02 thng 03 nm 2015

DANH SCH THNH VIN

STTH V TNLPMSV1NGUYN TH THU THNGK57CNTPC5715062NGUYN TH TNHK57CNTPC5715073PHAN THANH TONK57CNTPC5715084 TH HUYN TRANGK57CNTPC5715095NGUYN TH TRANGK57CNTPC5715116PHM NGUYN TUYNK57CNTPC5715157NGUYN TH YNK57CNTPC5715188NG HI YN K57CNTPC5715199HONG TH YNK57CNTPA57129610NG QUANG NG VK57CNTPC57151611 TH YNK57CNTPB571404

NI DUNG THUYT TRNH

PHN I: T VN Vy cht lng bia m ngi Vit Nam ni ring v th gii ni chungC tht s m bo cht lng

nh gi bia Thnh phm

A.Khi nim v ngha ca nh gi cht lng bia thnh phm1-Khi nim

Theo ISO9000, "m bo cht lng thnh phm l ton b hot ng c k hoch v h thng c tin hnh trong h thng cht lng c chng minh l mc cn thit to tin tng tha ng rng thc th (i tng) s tha mn y cc yu cu cht lng. ".

Th no l cht lng thnh phm 2- ngha

B. CC CH TIUI- Ch tiu dinh dng

Cc thnh phn dinh dng trong 100g bia (4,5g cn)Hm lngNc (g)92,5Nng lng (kcal)11Protein (g)0,5Lipid (g)0,0Glucid (g)2,3Celluloza (g)0,0Tro(g)0,2Vitamin B1(mg)0,01Vitamin B2 (mg)0,03Vitamin PP (mg)0,8Vitamin B5 (mg)0,041Vitamin B6 (mg)0,046Folat (mg)6Vitamin H (mg)3Vitamin B12 (mg)0,02

II. Ch tiu v cc cht c hi v cc cht ph gia

xut hin kim loi nng

Tn ch tiuGii hn ti a (mg/l)1. Asen (As)0,12. Ch (Pb)0,23.Thy ngn (Hg)0,054.Camidi (Cd)1,05.ng (Cu)5,06.Km (Zn)2,0

III. Ch tiu cm quan

l ch tiu rt quan trng ca sn phm thc phm ni chung v sn phm bia ni ring.

NH GI CHT LNG CM QUAN

IV- Ch tiu ha lTrc tin : ly mu bia

Ch tiun v tnhGii hn cho phpMi v-C mi thm c trng ca malt v hoa houblon thun khit-Trong, khng c tp cht l chuaml NaOH 0.1N/ 10ml mu1.6 0.2 mnmg/ml400- 500 muEBC5.5- 7.5 ng%- cn%v/v4.5 02Hm lng CO2g/l>4.5Hm lng cht ha tan ban u (balling nguyn thy)%w/w10.1 0.1Diacetylmg/l 0.2

1 xc nh chuaLoi b CO2Chun n khi mu hng th dng li

NaOH 0.1N vi ch th phenolphtalein 1%

10ml bia2. Xc nh mn ( Hm lng NaCl )10ml bia :dng NaOH 0.1 N trung ha ti mi trng trung tnh (pH 7- 8), thm vo khong 4- 5 git K2CrO4 10%AgNO3 0.1 N -loi b CO2- chun n khi xut hin mu gch

4. Xc nh mu:Mu phi loi b CO2 5.5- 7.5 EBC

My quang ph UV bc sng 430nm3. Xc nh ngMu loi CO2Mu bo qun S dng sacharimeter, o nhit 200C

5. Xc nh cn- Mu loi CO2- Dng bnh nh mc chnh xc 250ml mu cho vo bnh cu 1 lt. Trng bnh nh mc 150- 250ml nc ct. Tin hnh ct trn bp, qua h thng gii nhit bng ng sinh hn. Ly dch ct so vi th tch ban u. nh mc li ng 250ml bng nc ct, lm lnh ti nhit 200C.Cho dch ny vo ng ong 250ml , dng cn k xc nh v ghi kt qu

II: Ch tiu vi sinhVi sinh vt c th gy cho sn phm bia cc hin tng sau:Cn do nm menCn do trc khun v bt cu khunHin tng to nht.

Tn ch tiuGii hn ti aTng s vi sinh vt hiu kh, s khun lc trong 1ml sn phm

Cch ly mu Cch pha long mu

2. Xc nh tng s nm men nm mc-Nm men, nm mc hin din, tng trng s lm thay i mu ca bia, lm pht sinh v l hay lm h hng bia.-Mi trng: thch Sabourand

III: Ch tiu nh gi cht lng bia theo tiu chun Vit Nam TCVN 5519: 1991: Bia. Quy tc nghim thu v phng php ly muTCVN 5563: 1991: Bia. Phng php xc nh etanol (cn)TCVN 5563: 1991: Bia. Phng php xc nh hm lng CO2TCVN 5564: 1991: Bia. Phng php xc nh acidTCVN 5565: 1991: Bia. Phng php xc nh cht ha tan ban uTCVN 5566: 1991: Bia. Phng php xc nh muTCVN 6058: 1995: Bia. Phng php xc nh diaxetyl v cc cht diaxeton khcTCVN 6059: 1995: Bia. Phng php xc nh ngTCVN 6062: 1995: Bia. Phng php xc nh tc lng bt theo ch s sigmaTCVN 6063: 1995: Bia. Phn tch cm quan. Phng php cho im

PHN III: TNG KT1.Kt lun:Bia l mt ung quen thuc v c a chung vi i a s ngi dn t u n bi gi tr dinh dng, gi tr cm quan ca bia. Sn phm bia c tiu th rt mnh bi s tin ch trong s dng, tnh a dng trong chng loi, c cha ng trong cc bao b c kch thc, mu sc p ng c nhu cu th hiu ca ngi tiu dngV cht lng ca bia thnh phm phi c quan tm mt cch cn thn v cn thit, n dng vai tr quyt nh n thnh bi ca doanh nghip v nh hng ti s an ton ca ngi tiu dng2. Ti liu tham khohttp://luanvan.co/luan-van/tong-quan-cac-phuong-phap-kiem-nghiem-bia-3163/http://www.zbook.vn/ebook/tim-hieu-viec-quan-ly-chat-luong-malt-va-bia-thanh-pham-theo-tieu-chuan-824-cua-he-thong-iso-90012000-tai-cong-ty-bia-29342/http://doc.edu.vn/tai-lieu/khoa-luan-tong-quan-cac-phuong-phap-kiem-tra-chat-luong-bia-52605/http://www.zbook.vn/ebook/tim-hieu-viec-quan-ly-chat-luong-malt-va-bia-thanh-pham-theo-tieu-chuan-824-cua-he-thong-iso-90012000-tai-cong-ty-bia-29342/http://doc.edu.vn/tai-lieu/khoa-luan-tong-quan-cac-phuong-phap-kiem-tra-chat-luong-bia-52605/http://voer.edu.vn/m/van-de-quan-ly-chat-luong-san-pham/bf53bee7