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GB 5413.20-2022 National Food Safety Standard Determination of Choline in Foods for Infants and Young Children, Milk and Milk Products
Local Title:
GB 5413.20-2022 食品安全国家标准 婴幼儿食品和乳品中胆碱的测定
Country/Region:
Chinese Mainland
Competent Authority:
State Administration for Market Regulation;  National Health Commission
Type:
Standard
Status:
In force
Release Date:
2022-06-30
Implementation Date:
2022-12-30
Applicable Scope:
Infant formula food; Milk & milk products
Document
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 Official GB 5413.20-2022 National Food Safety Standard Determination of Choline in food for Infants and Milk and Milk Products
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Summary

GB 5413.20-2022 is applicable to the determination of choline in infant food and fairy products. Compared with GB 5413.20-2013, it deleted the second Farrell's salt spectrophotometry, added ion chromatography as the second method and liquid chromatography of tandem mass spectrometry as the third method.

Contents

  1. Scope

  2. Principle

  3. Reagents and materials

  4. Instruments and equipments

  5. Analysis steps

  6. Formulation of analysis results

  7. Precision

  8. Others

Appendix A Ion chromatogram of choline standard solution

Appendix B Mass spectrometry scan of choline standard and standard solution and internal standard MRM 

History
2022-06-30
GB 5413.20-2022 National Food Safety Standard Determination of Choline in Foods for Infants and Young Children, Milk and Milk Products
In force
Release Date: 2022-06-30
Implementation Date : 2022-12-30
2013-11-29
GB 5413.20-2013 National Food Safety Standard Determination of Choline in Foods for Infants and Young Children, Milk and Milk Products
Invalid
Release Date: 2013-11-29
Implementation Date : 2014-06-01