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botanical source
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zizania caduciflora(tu)hand.-mazz.
it is also called indian millet,black peal,black glutinous rice,moon rice and so on.it mainly distributes in the south slope of qinling,the north of hanjiang
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part used
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ripe fruit seeds. a lot of planting in northeast china, you can purchase all the year round
seed
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active ingredient
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（anthocyandins）（anthocyanin）
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quality standard
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item standard requirements
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appearance violet or violet fine powder
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particle size 80mesh
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ingredient&specification
anthocyanindins:5%-30% (uv)
anthocyanin:5%-30% （hplc）
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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.nourishing yin and invigorating the kidney,strengthening the spleen,warming the liver,improving eyesight,promoting blood circulation and so on;curing body weakness,dizziness,hyphemia ,the white hair,eye disease,soreness of waist and knee pain and lassitude of the extremities;preventing cancer.
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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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