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
