Standard No.:	GB 5009.24-2010
English Name:	National food safety standard Determination of aflatoxins M1 and B1 in foods
Chinese Name:	食品安全国家标准 食品中黄曲霉毒素M1和B1的测定
Chinese Classification:	X04    Basic standards and general methods
Professional Classification:	GB    National Standard
Source Content Issued by:	Ministry of Health
Issued on:	2010-03-26
Implemented on:	2010-6-1
Status:	superseded
Superseded by:	GB 5009.22-2016 National Food Safety Standard--Determination of B-group and G-group Aflatoxins in Foods GB 5009.24-2016 National Food Safety Standard — Determination of M Aflatoxins in Foods
Superseded on:	2017-6-23
Superseding:	GB/T 5009.24-2003 Determination of aflatoxins M1 and B1 in foods
Target Language:	English
File Format:	PDF
Word Count:	3000 words
Translation Price(USD):	214.0
Delivery:	via email in 1 business day

1 Scope This standard specifies the determination method of aflatoxins M1 and B1 in foods such as milk and its products, cream and fresh pig tissue (liver, kidney, blood and lean meat), and It is applicable to such determination. 2 Principles After extraction, concentration and thin-layer chromatography are carried out, the aflatoxins M1 and B1 will generate bluish violet fluorescence under ultraviolet light (wave length is 365nm), and then their content will be determined according to the minimum detected quantity of fluorescence displayed on the thin layer. 3 Reagents and Materials

1 Scope 2 Principles 3 Reagents and Materials 4 Instrument and Equipment 5 Analytical Procedures 6 Expression of Analysis Results