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botanical source
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it is also called red small plum,cran-plum,acid fruit cran and crude bean.it is rampant,twiggy and erect.its leaves are small and elliptical.its berry is red,round;and it tastes acid.it has strong cold resistance.
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part used
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fruit
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active ingredient
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（proanthocyandins）（anthocyandins）
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quality standard
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item standard requirements
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appearance red or violet fine powder
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particle size 80mesh
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ingredient&specification
proanthocyandins:5%-50% (uv)
anthocyandins:5%-25% （uv）
extract ratio:5:1 10:1 25:1 50:1
pigment
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sulphated ash: 5%max.
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heavy metal:10ppm max.
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total plate count:1000cfu/gm max.
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yeast&mold:100cfu/gm max.
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salmonella：negative
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pharmacological function
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improving the urinary system,preventing urinary tract infection,softening blood capillary,eliminating eyestrain,improving eyesight and delaying cerebral nerve to aging;enhancing the heart function and resisting cancer;it has curative effect on immunity diseases of blood.
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package
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double plastic-bag inside,aluminum foil bag 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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