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China GB 5413.35-2010 Determination of β-carotene in foods for infants and young children, milk and

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  • Published: 2013-07-19
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Introduction
GB 5413.35-2010
National food safety standard
Determination of β-carotene in foods for infants and young children, milk and milk products

1. Scope
This present National Standard specifies the method for determination of β-carotene in foods and milk products for infant and young children.
This present National Standard is applicable to the determination of carotene level in foods for infant and young children and milk products.
2. Normative references:
The following standard contains provisions which, through reference in this text, constitute provisions of this present standard. As for the dated references, all the amendments or revisions after them except the corrigenda are not applicable to this present standard. As for the references
that are not dated, their most recent editions are applicable to this present national standard. GB/T 6682 Water for analytical laboratory use – Specification and test methods
3. Principle
After saponification, the β carotene in sample is turned to free form, which can be extracted by petroleum ether and determined by High Performance Liquid Chromatography; the external standard method is used for quantification.

 
 
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