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Vitamin B2(Riboflavin)

Posting date : Mar 08, 2012

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Vitamin B2(Riboflavin) is one of the most widely distributed water-soluble vitamins. The above synonyms, lactoflavin and ovoflavin, as well as the terms hepatoflavin, verdoflavin and uroflavin, indicate the source from which the vitamin was originally isolated, i.e. milk, eggs, liver,plants and urine. The term “flavin” originates from the latin word “flavus” referring to the yellow colour of this vitamin. The fluorescent riboflavin is also part of the vitamin B-complex. In the body, riboflavin occurs primarily as an integral component of the coenzymes flavin mononucleotide (FMN) and flavin adenine dinucleotide (FAD) Specification of Vitamin B2 (Riboflavin): Appearance--------------------Yellow to Orange-yellow free flowing particle CAS Number--------------------83-88-5 Molecular Weight--------------376.36 Chemical Formula--------------C17H20N4O6 Assay(on dry materils)--------98% min Loss on drying----------------1.5% max Heavy metals(PB)--------------10ppm max Residue on ignition-----------0.3% max Particle Size(0.28MM Sieve)---Sieve 90% pass through Identification--------------Positive Inspection Method: According to “Feed additive-Riboflavin flowing particle”GB/T 18632-2002. Packing: Normally in 25kg paper cartons with PE liners Storage: Stable powder, keep container closed in a dark, dry and cool condition when in not use