GB 5413.16-2010 National food safety standard Determination of folic acid(folate activity)in foods for infants and young children,milk and milk products
This standard specifies the determination method of folic acid (folate activity) in foods for infants and young children, milk and milk products.
This standard is applicable to the determination of folic acid (folate activity) in foods for infants and young children, milk and milk products.
2 Normative References
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the normative document (including any amendments) applies.
3 Principle
The folic acid content is determined by the acidity generated and the optical density formed while growing in the sample containing folic acid by utilizing the specificity of Lactobacillus casei ATCC 7469 to folic acid.
