TCVN 5261-1990_SP Ong - Phuong Phap Lay Mau

Nhm M

TCVN 5261 - 90Tiu chun chn nui

Tiu chun chn nuiTCVN 5261 - 90

Nhm M

Tiu chun Vit namTCVN 5261 - 90

sn phm ong

Phng php ly mu

Bee products

Sampling

Tiu chun ny qui nh phng php ly mu mt ong t nhin, phn ong t nhin, sa cha t nhin.

1. Khi nim: Theo TCVN 5260-90

2. Ly mu:

2.1. Trc khi ly mu phi kim tra tnh trng bao gi, i chiu vi cc giy t km theo ca l hng. Mu ch ly nhng n v bao gi hp qui cch. Sau khi ly mu phi lp bin bn ly mu theo ph lc.

2.2. S lng cc n v bao gi c ch nh ly mu theo qui nh trong bng sau:

S lng n v bao gi c trong l hng ng nhtS lng n v bao gi c ch nh ly mu

T 1 n 5100% s n v bao gi

T 6 n 505 n v bao gi + 5% n v bao gi

T 51 n 1008 n v bao gi + 2% n v bao gi

Trn 10010 n v bao gi + 1% n v bao gi

2.3. Ly mu mt ong t nhin

a) Dng c:

Cc hoc chu thy tinh

Chai hoc bnh thy tinh c nt kn

a thy tinh

ng ly mu bng thy tinh hoc nha dng cho thc phm

b) Tin hnh:

Dng phng php ngu nhin xc nh s n v bao gi c ch nh ly mu theo mc 2.2.

Khuy u mt ong t nhin c trong cc n v bao gi. Dng ng ly mu chc thng t trn xung tn y, bt tay vo u trn ca ng, nhc ng ln v cho mu ban u vo cc hoc chu thy tinh.

Gp tt c cc mu ban u ly cc n v bao gi c mu chung.

Dng a thy tinh trn u mu chung ri ly ra 3 mu trung bnh. Khi lng mi mu trung bnh khng nh hn 300g.

2.4. Ly mu phn ong t nhin

a) Dng c:

Cc hoc chu thy tinh

Chai hoc bnh thy tinh c nt kn

Tha xc mu bng nhm, s hoc nha dng cho thc phm

b) Tin hnh:

Dng phng php ngu nhin xc nh s n v bao gi c ch nh ly mu theo mc 2.2.

Trn u phn ong t nhin c trong cc n v bao gi. Dng tha ly mu ban u cc v tr khc nhau cho vo cc hoc chu thy tinh.

Gp tt c cc mu ban u ly cc n v bao gi c mu chung.

Dng tha trn u mu chung ri ly ra 3 mu trung bnh. Khi lng mi mu trung bnh khng nh hn 100g.

2.5. Ly mu sa cha t nhin

a) Dng c:

Cc thy tinh

Chai hoc l thy tinh mu c nt kn

Tha ly mu bng s, thy tinh hoc nha dng cho thc phm.

b. Tin hnh

Dng phng php ngu nhin xc nh s n v bao gi c ch nh ly mu theo mc 2.2.

Dng tha ly mu ban u cc v tr khc nhau, cho vo cc thy tinh

Gp tt c cc mu ban u ly cc n v bao gi c mu chung.

Dng tha trn u mu chung ri ly ra 3 mu trung bnh. Khi lng mi mu trung bnh khng nh hn 20g.

3. Bao gi, ghi nhn mu trung bnh.

3.1.Mu trung bnh c bo qun trong cc chai hoc l thy tinh nt kn, c nhn ghi r.

Tn sn phm;

Tn c s sn xut;

Ngy thng nm ly mu;

a im ly mu;

Ngi ly mu.

3.2. Cc mu trung bnh c s dng nh sau:

Mt mu do c s sn xut lu;

Mt mu do c quan kim nghim lu;

Mt mu dng kim nghim.

Ph lc

bin bn ly mu

Ngy thng nm

Ly mu sn phm ong

S :. . . . . . . . .

Tn sn phm:

C s sn xut:

c im l hng:

Khi lng l hng:

Khi lng mu:

a im v thi gian ly mu :

Phng php ly mu (theo TCVN....):

Ngi ly mu:

Ch k ca ngi ly mu

1Ban hnh theo quyt nh s 733 /Q ngy 31 thng 12 nm 1990 ca y ban Khoa hc v k thut Nh nc