PHEP THU MO TA
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Transcript of PHEP THU MO TA
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Php th m t
Mc ch:- M t cc c tnh cm quan ca sn phm.- Lng ha s khc bit.
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ng dng phn tch m t
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Xc nh tnh cht cm quan c trng So snh vi Profile mc tiu
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Cc loi php th m t
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M t c in
Quy trnh 4- bc:
1. La chn hi ng
2. Pht trin thut ng m t cho ngoi hnh, mi, hnv, cu trc, cm gic trong ming v hu v
3. Hun luyn
4. nh gi cho im cc sn phm
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La chn hi ng
- Kh nng pht hin cc sai bit trong cc c tnh c githiu v cng cc c tnh - Kh nng m t cc c tnh sn phm, s dng cc thuv cc phng php o
- C nng lc t duy tru tng - S nhit tnh v mc snsng- Sc khe tng qut tt:
+ Cu hi sng lc + Cc php th nhy+ Cc php th phn hng / cho im+ Phng vn c nhn
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V d v bng cu hi trc tuyn chn
1. Thi gian :
C ngy no trong tun m Anh/Ch khng th thu xp c tgian tham gia hi ng khng? Nm nay, Anh/Ch d nh s ngh php bao nhiu tun?2. Sc khe:
1. Anh/Ch c vn sc khe no sau y hay khng?Rng giTiu ngBnh v rng mingH ng huyt (Hypoglycemia)D ng thc phmCao huyt p
2. Anh/Ch c s dng thuc gy nh hng n cc giquan, c bit l v gic v khu gic khng?
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Cu hi kim tra v hng v, mi v cu trc:
1. Nu mt cng thc yu cu phi c hng ty nhnghng ty li khng sn c th Anh/Ch s dng g thth?2. Nhng sn phm no khc c v ging vi sa chua?3. M t ph mai nghin ch bng mt hoc hai t thhp nht4. M t mt vi hng v r nt ca cola5. t mt vi tnh cht cu trc ca thc phm ni chun 6. Mt s tnh cht cu trc ca khoai ty chin?7. M t mt s mi ng ch ca sn phm bnh
Meilgaard, Civille & Carr (1999),Sensory evaluation techniques. CRC Press
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V d: La chn hi ng nh gi m t sn phm sa ti tit trng hng du. Bc 1: La chn Th nghim 1: Php th matching mi/ thut ng
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Bc 1: La chn hi ng Th nghim2: Php th 2 - 3
Mu A: sa Vinamilk.Mu B: 50% sa Vinamilk + 50% sa DutchLady cngloi.
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T 316 527
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Bc 1: La chn hi ng TN3: So hng cng v ngt c trong sn phm sti tit trng
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Bc 1: La chn hi ng TN4 : Xc nh off -flavor
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Bc 1: La chn hi ng TN5: M t mi
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Bc 1: La chn hi ng Kt qu nh gi nng lc hi ng
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V d v hun luyn thang o
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nh du mt v tr trn on thng bn phi biu tht l phn trm ca din tch c bi en
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Bc 2: Pht trin thut ng
Mc tiu: M t phn nhm sn phm mt cch tondin m khng b trng lp
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Tin trnh: - Pht trin thut ng Ton din - Rt gn danh sch thut ng Khng trng lp - La chn cht chun v nh ngha cho cc thut ng
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V d v cht chun, nh ngha v cch nh gi
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Bc 3: Hun luyn
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Bc 3: Hun luyn
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Bc 4: nh gi cho im sn phm
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M s: 534
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X l s liu
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Php th m t nhanh ( Flash Profile)
- Mi ngi th la chn v s dng t ng caring h nh gi ton b tp hp sn phm mcch tng i.
- M t nhanh chng cc tnh cht cm quan ca mt tp hp sn phm.
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Nguyn tc
- M t cc c tnh cm quan chnh ca cc sn ph.- Phn hng sn phm theo mi c tnh m bn nh
c.
mn: A B C D E F G H
Thut ng:
- +
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Cch tin hnh
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Pht trin thut ng
Cp nht thut ng
So hng sn phm
Bui m u (30 pht): mi nh givin vit ra giy mt danh sch ccthut ng c bn nht.
Bui chuyn tip (30 pht): mi ngi vin c cc thut ng c vitra bi cc nh gi vinkhc.
Bui chnh (1 gi ): so hng cc sn phm trn mi thut ng pht trin c.
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Cch tin hnh
- S lng nh gi vin: 4 n 6 chuyn gia cm qua- S lng sn phm: Ti a l 15 nhng ph thuc
bn cht ca cc sn phm- S ln lp: 2 hoc trnh by mt vi sn phm hai ln
kim tra kh nng lp li.
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Kt lun
Php th m t nhm lng ha s khc bit v tnhcht cm quan ca cc sn phm.
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