Standard No.:	GB 14752-2010
English Name:	Food additives Vitamin B2 (riboflavin)
Chinese Name:	食品添加剂 维生素B2（核黄素）
Chinese Classification:	X09    Hygiene, safety and labor protection
Professional Classification:	GB    National Standard
Issued by:	MOHURD
Issued on:	2010-12-21
Implemented on:	2011-2-21
Status:	valid
Superseding:	GB 14752-1993 Food additive－Riboflavin (Vitamin B2)
Language:	English
File Format:	PDF
Word Count:	3000 words
Price(USD):	224.00
Delivery:	via email in 1 business day

1 Scope



This standard is applicable to the food additive - vitamin B2 (riboflavin) prepared by chemical synthesis method and bio-fermentation.



2 Normative References



The following referenced documents are indispensable for the application of this standard. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.



3 Chemical Name, Molecular Formula, Structural Formula and Relative Molecular Mass



3.1 Chemical name



7,8-dimethyl-10-[(2S,3S,4R)-2,3,4,5-tetrahydroxypentyl]-3,10-benzo[g]pteridine-2,4-dione



3.2 Molecular formula



C17H20N4O6



3.3 Structural formula







3.4 Relative molecular mass



376.36 (as per 2007 international relative atomic mass)



4 Technical Requirements

Foreword i
1 Scope
2 Normative References
3 Chemical Name, Molecular Formula, Structural Formula and Relative Molecular Mass
4 Technical Requirements
Annex A (Normative) Inspection Methods
Annex B (Normative) Infrared Absorption Spectrum of Vitamin B2