1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS H 3010 KS H 3010:2011 2011 1 20 http:/www.kats.go.krKS H 3010:2011 : ( ) ( ) () () ( ) : (http:/www.standard.go.kr) : :1988 3 5 :2011 1 20 2011-0013 : : ( 02-509-7270) (http:/www.kats.go.kr). 10 5 , . KS H 3010:2011 Fermented milk 1 , . 2 . . ( ) . KS H 1
2、101, KS H ISO 707, KS H ISO 1211, ( ) KS H ISO 11869, ( ) KS J ISO 4831, (MPN) KS J ISO 4832, KS Q ISO 4121, 3 . 3.1 (paste) 8.0 % . 3.2 , , , ( .) 8.0 % . 4 4.1 4.2 KS H 3010:2011 2 4.3 5 5.1 1 . 1 , . , , . . (%) 8.0 3.0 (%) : 3.0 , : 0.5 3.0 , : 0.5 (%) 0.5 (CFU/g) 1.0108 1.0107 5.2 1 . 5.3 . 5.4
3、 , , 30 % . 5.5 . 6 6.1 KS Q ISO 4121, 6.3.2 , ( , .) 5 , 4 , 3 , 2 , 1 3.5 1 . 6.2 KS H ISO 707 . 6.3 4 g (K2SO4: CuSO4 10: 1 ) 20 mL , 1 . 150 mL (200 250 mL) 25 mL . 40 % 40 mL KS H 3010:2011 3 0.1 N 25 mL 25 mL 150 mL . , 3 4 0.1 N . . 0.1 N 1 mL 1.400 7 mgN (%)Sfba 82.210038.67400001.0)( a : 0.
4、1 N (mL) b : 0.1 N (mL) f : 0.1 N S : (g) 6.4 KS H ISO 1211 . 6.5 KS H ISO 11869 . 6.6 6.6.1 . . 6.6.2 BCP (plate count agar with brom cresol purple) 6.6.2.1 (Yeast extract) 2.5 g (Peptone) 5.0 g (Dextrose) 1.0 80(Tween 80) 1.0 g L- (L-cysteine) 0.1 g (Agar) 15.0 6.6.2.2 6.6.2.1 ( , .) 1 000 mL pH 6
5、.8 7.0 . BCP(brom cresol purple) 0.004 0.006 % 15 (121 ) 15 . 6.6.3 BL (BL agar) KS H 3010:2011 4 6.6.3.1 (Beef extract) 3 g (Liver extract) 5 g (Yeast extract) 5 g (Proteose peptone) 10 g (Tryptone) 5 g (Soypeptone) 3 (Soluble starch) 0.5 g (Glucose) 10 g (Dipotassium phosphate) 1 g (Monopotassium
6、phosphate) 1 g (Magnesium sulfate) 0.2 g (Sodium chloride) 0.01 g (Manganese sulfate) 0.006 7 g L- (L-Cysteine HCl H2O) 0.5 g (Ferrous sulfate) 0.01 g 80Polysorbate 80(Tween 80) 1 g (Agar) 15 6.6.3.2 6.6.3.1 1 000 mL pH 7.2 15 (121 ) 15 . BL 50 , , 5 % 20 mL . 6.6.4 BS 6.6.4.1 (Sodium propionate) 15
7、 g (Paromomycin sulfate) 50 mg (Neomycin) 100 mg (Lithium chloride) 3 g 6.6.4.2 BL 1 000 mL 6.6.4.1 15 (121 ) 15 . 6.6.5 6.6.5.1 BPD (Butterfields phosphate buffered dilution water) KS H 3010:2011 5 (KH2PO4) 34 g 500 mL 1 N (NaOH) 175 mL pH 7.2 1 000 mL ( ) . 15 (121 ) 20 1 mL 800 mL . 6.6.5.2 BPW(b
8、uffered peptone water) 6.6.5.2.1 (Peptone) 10 g (NaCl) 15 (Na2HPO4) 9 (KH2PO4) 1.5 g 6.6.5.2.2 6.6.5.2.1 1 000 mL pH 7.5 . 6.6.6 6.6.6.1 6.6.6.1.1 10 mL(g) (BPD ) 90 mL 10 (10 2, 10 3, 10 4) 1 mL (2 ) . 45 BCP 15 mL . 3 5 mL . 35 37 (723) . 6.6.6.1.2 . 5 24 . 1 25 250( 30 300) . 250 250 , 25 . 6.6.6
9、.1.3 0 . 3 6 4 , 5 2 , 0 . 15 500 16 000 , 14 500 14 000 . a) 25 250 CFU/plate KS H 3010:2011 6 dnnCN+=)1.0()1(21 N : g mL C : n1: n2: d : 1: 100 1: 1 000 CFU/g mL 232 244 33 28 24 000 210)21.0()21()2833244232(+=N40924022.0537= 00024= b) 25 CFU/plate 1: 100 1: 1 000 CFU/g mL 18 10 2 1 2 500 c) 250 C
10、FU/plate 1: 100 1: 1 000 EAPC/g mL TNTC TNTC 630 650 640 000 TNTC: too numerous to count EAPC: estimated aerobic plate count 6.6.6.2 (bifidobacterium) 6.6.6.2.1 10 g(mL) 100 mL (10 1 ). 6.6.6.2.2 (10 1 ) 1 mL 10 mL 10 2 10 3, 10 4, 10 5, 10 6, 10 7 . 6.6.6.2.3 0.05 mL BL . KS H 3010:2011 7 6.6.6.2.4
11、 37 48 72 . g ( ). , 1 30 300 . 1 30 300 . 6.6.6.2.5 BL a) bifidobacterium longum 1.02.0 mm . b) bifidobacterium bifidum 0.5 1.5 mm . c) bifidobacterium breve 1.0 2.0 mm . 6.6.6.3 6.6.3.1, 6.6.3.2 . , BS . 6.7 6.7.1 10 25 g 9 (KS J ISO 4831 ) . 6.7.2 6.7.1 KS J ISO 4831, KS J ISO 4832 . 7 6. 5.1 8. . 8 8.1 . 8.2 . 9 KS H 1101 . 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ KS H 3010:2011 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Fermented milk ICS 67.100.10 Korean Agency for Technology and Standards http:/www.kats.go.kr