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botanical source
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its byname is black bean fruit, blackcurrant, and black fruit.
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part used
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ripe fruit
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active ingredient
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anthocyanidins；anthocyanin
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quality standard
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item
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standard requirements
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appearance
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red purple powder
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particle size
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80 mesh
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sulphated ash
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≤5%
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heavy metal
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≤5ppm
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arsenicsalt
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≤2ppm
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residual solvents
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≤200ppm
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total plate count
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＜1000cfu/gm
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yeast&mold
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＜100cfu/gm
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salmonella
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negative
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specification
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（1）anthocyanidins 5%—25%
（2）anthocyanin 5%—36%
（3）extract ratio 4:1、10:1、20:1、50:1
（4）polyphenols 5%—90%
（5）pigment530：50—600
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pharmacological function
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it contains aminophenol, vitamins and our necessary mineral substance. decreasing blood serum cholesterin and cerebral arteriosclerosis.
delay our body senescence and improve our immunity;prevent nitrosamine from forming; it plays an anticancer and anticarcinogenic part.
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package
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double plastic-bag inside, aluminum foil bag paper or fiber drum outside. n.w:25kg/drum
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storage
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store in cool and dry place and avoid light and heat.
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