KS H ISO 12080-2-2006 Dried skimmed milk-Determination of vitamin A content-Part 2:Method using high-performanceliquid chromatography《脱脂乳粉 维生素A含量的测定 第2部分 应用高效液相色谱法》.pdf

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KS H ISO 12080-2-2006 Dried skimmed milk-Determination of vitamin A content-Part 2:Method using high-performanceliquid chromatography《脱脂乳粉 维生素A含量的测定 第2部分 应用高效液相色谱法》.pdf_第1页
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1、 KSKSKSKS SKSKSKS KSKSKS SKSKS KSKS SKS KS 2006 11 20 http:/www.kats.go.krKS H ISO 120802 A 2: KS H ISO 12080 2: 2006 (2011 ) H ISO 12080 2: 2006 : ( ) ( ) ( ) ( ) : (http:/www.standard.go.kr) : : 2001 12 22 : 2006 11 20 : 2011 12 29 2011-0652 : : ( 02-509-7273) (http:/www.kats.go.kr). 10 5 , . ICS

2、67.100.10 KS A 2: H ISO 12080 2: 2006(2011 ) Dried skimmed milk Determination of vitamin A content Part 2: Method using high-performance liquid chromatography 2000 1 ISO 12080 2 Dried skimmed milk Determination of vitamin A content Part 2: Method using high-performance liquid chromatography . ISO 12

3、080 2 ISO/TC 34 (SC 5), (IDF) (AOAC International) , . ISO 12080 A . 1: 2: A . ISO , . , . . 1. (HPLC) g 10 IU( ) A A . 2. 2.1 A . g mg g A (IU) . 3. HPLC . . 4. , , . 4.1 (CH3CH2OH) 95 %( ) . 4.2 200 g/L (C6H8O6) 3.5 g 1 mol/L 20 mL . . 4.3 50 %( ) 50 mL (KOH) 50 g . . H ISO 12080 2: 2006 2 4.4 30

4、g/L 3 g (4.1) 10 mL . 100 mL . . 4.5 4060 6080 . 4.6 (CH3OH) HPLC 4.7 90: 10( ) (8.5 ) 4.8 A 1 g ( A , C20H30O) 30 mg , (all-trans-retinyl acetate) (US Pharmacopeia) A (1) . A . 20 mg 0.1 mg . (4.1) 40 mL, (4.2) 10 mL (4.3) 10 mL . 8.3.28.3.6 . 8.4 . (1) , 12601 Twinbrook Parkway, Rockville, Marylan

5、d 20852, USA A . ISO . 4.9 (BHT) 5. . 5.1 . . 325 nm UV 300360 nm 0.128 AUFS( ) 2 mL/min( 100 atm ) 20 L (chart speed) 10 mm/min , (excitation) 325 nm, (emission) 450 nm . 5.2 250 mm4.6 mm, 10 m C8 C18 . 5.3 250 mL . 5.4 200 mL . 5.5 100 mL 200 mL . 5.6 10 mL, 25 mL 50 mL . 5.7 , 5.8 40 . 5.9 500 mL

6、 (PTFE) . 5.10 5.11 9 cm . 6. , KS H ISO 707( 1) H ISO 12080 2: 2006 3 . . 7. . . 8. 8.1 (10.2) 8.28.5 2 . (low-actinic) . 8.2 20 g 0.001 g (5.3) 80 50 mL . (5.10) . 100 mL (5.5) , 100 mL . 8.3 8.3.1 (8.2) 25 mL (5.6) (5.4) . (4.3) 20 mL (4.2) 10 mL . (4.1) 50 mL . 8.3.2 (5.7) 30 . . 8.3.3 30 mL 2 ,

7、 (4.1) 10 mL 2 (4.5) 40 mL 2 (5.9) . 30 . ( ) (4.1) 10 mL (4.5) 40 mL . 8.3.4 . (4.5) 10 mL 2 . . 8.3.5 (4.5) 40 mL (4.1) 10 mL . . (4.4) 40 mL 3 . 40 mL . (5.11) . 8.3.6 200 mL (5.5) . (4.5) 1020 mg BHT(4.9) . 200 mL . 8.4 (reference) (8.2) A (4.8) (8.3.6) . 40 (5.8) . , . (4.6) 10 mL . 8.5 (8.4) 2

8、0 L A . A . , , , , . . . 9. A (w), g mg( g IU A ) H ISO 12080 2: 2006 4 . w =mVVAVVVAc52r431s c: , (8.4) mL g( mL A IU) As: (8.5) A Ar: (8.5) A V1: (mL)(V1= 200 mL) V2: V1 (mL)(8.4) V3: (mL)(V3= 10 mL) V4: (8.2) (mL)(V4= 100 mL) V5: (8.3.1) (mL)(V5= 25 mL) m: (g) 10. 10.1 KS A ISO 5725 ( 4). . 10.2

9、 2 14 % 5 % . 10.3 2 42 % 5 % . 11. . ( ) H ISO 12080 2: 2006 5 A() (IU) A.1 A A . A 1 IU 0.344 g . A . 1 IU (all-trans- retinol) 0.300 g, (all-trans-retinyl propionate) 0.359 g, (all-trans-retinyl palmitate) 0.500 g . 1 g A (all-trans-vitamin A alcohol) A (all-trans-vitamin A ester) . A ( ) 3 333 0

10、00 IU A 2 907 000 IU A 2 785 000 IU A 1 818 000 IU A.2 A ( A )( 5) A 25100 mg 0.1 % . (pentane) 5 mL , 2 1015 IU/mL . 2 325327 nm (Am) , 300 nm, 326 nm 370 nm (An) . (An/Am) . 300 nm 0.593, 350 nm 0.537, 370 nm 0.142 g A (w) IU . w =mdVA100m Am: 326 nm V : 1015 IU/mL A d: A g IU (d = 1 900) m: A (g)

11、 H ISO 12080 2: 2006 6 1 KS H ISO 707 : 2006 2 KS A ISO 5725 1: 2002 ( ) 1: 3 KS A ISO 5725 2: 2002 ( ) 2: 4 De Vries, E.J. et al., Bulletin of IDF, No. 285, pp. 5364 5 European Pharmacopoeia, Monograph vitamin A A 2 : 153787 1 92 3(13) (02)26240114 (02)2624 01489 http:/ KSKSKSSKSKS KSKS SKS KSKS SKSKS KSKSKSKorean Agency for Technology and Standards http:/www.kats.go.kr KS H ISO 12080 2: 2006 Dried skimmed milk- Determination of vitamin A contentPart 2:Method u sing highperformance liquid chromatography ICS 67.100.10

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