99% min Retinyl acetate (CAS: 127-47-9) use for Comestic

Product Description   Why do so many customers purchase Retinyl Acetate?     Retinyl acetate is a fat-soluble antioxidant that stops the production of ROS formed when fat undergoes oxidation. Scientists are investigating whether, by limiting free-radical production and possibly through Other mechanisms, vitamin E might help prevent or delay the chronic diseases associated with free radicals.   Retinyl acetate is involved in immune function and, as shown primarily by in vitro studies of cells, cell signaling, regulation of gene expression, and other metabolic processes.   How to guarantee the quality of our Retinyl acetate?    

Items	Specification
Appearance	yellow free-flowing granule
Fineness (US Standard Sieves) -through sieve No. 20 - through sieve No. 40 -through sieve No. 100	100 % smaller than 20 min.80 % smaller than 40 max.15 % smaller than 100
Loss on drying:(%)	≤5
Sulfated Ash(%)	<1
Pb(ppm)	<10
Arsenic(ppm)	<3
Vitamin A Acetate(IU/g)	≥500,000
Total bacterial count:(cfu/g)	≤1000
Coli form bacteria:(MPN/100g)	≤30
Fungi and yeast:(cfu/g)	≤100
Salmonella:(/25g)	Negative

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Product Categories : Vitamin Series > Fat Soluble Vitamins