Changsha Huakang Biotechnology Development Co., Ltd.
Main products:Green Tea Extract,Blueberry Extract,Green Coffee Bean Extract,Mango Extract,Resveratrol
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Contact Us
  • Contact Person : Ms. Kuang May
  • Company Name : Changsha Huakang Biotechnology Development Co., Ltd.
  • Tel : 86-731-88395310-8005
  • Fax : 86-731-88395310-8666
  • Address : Hunan,Changsha,Institute of Traditional Chinese Medicine, Tongzipo Road, Changsha City, Hunan Province. China
  • Country/Region : China
  • Zip : 410013

100%Natural Pigment Purple Sweet Potato Extract -Proanthocyanidins 5%-70%

100%Natural Pigment Purple Sweet Potato Extract -Proanthocyanidins 5%-70%
Product Detailed
* Extract Ratio:4:1 ,5:1,10:1* Test Method : TLC* Free samples* Prompt delivery

[Product name] Kooroo color P.E.[Latin name] Dioscorea kooroo[Botanical Source] It is a purple core sweet potato. Its scientific name is ChuanShanZi which is a new kind sweet potato imported from  ChuanQi farm in Japan by our technological workers. The skin of it is purple red near to black, its pulp is also purple red,so the name called. [Quality standard]  1.Active Ingredient: 1. Proanthocyanidins 5%-70%                                      2. Anthocyanidins 5%-25%   3.Anthocyanin

 2.Part used: Fruit  3.Appearance: Violet-red fine powder  4.Mesh: 100% pass 80 mesh    5.Odor: Characteristic   6.Loss On Drying: ≤5%  7.Sulphated Ash: <5%  8.Heavy metal: <10PPM  9.Residual Solvents: <0.05PPM[Microbiology standard]  1.Total Plate Count: <1000CFU/gm   2.Yeast&Mold: <100CFU/gm          3.Salmonella: Negative        4.E.Coli: Negative   [Pharmacological Function] According to the Japanese agricultural  product examination center analysis, the Chuanshan purple sweet  potato's nutrition ingredient content is obviously higher than the ordinary  sweet potato. Its content of lysine, copper, manganese, potassium, zinc is  3~8 times higher than common sweet potato. If we eat it for a long time,  It can bring our high blood pressure down, enrich the blood, benefit vital  energy, moisten the lung, keep youthfulness. At the same time, it belongs to  the food to lose weight, so it can prevent atherosclerosis effectively, above  all,the content of idodine and selenium belonged to anti-cancer material  is 20 times higher than other sweet potatoes.[Package] Double plastic-bag inside, aluminum foil bag paper or  fiber drum outside. N.W:25kg/drum[Storage] Store in cool and dry place and avoid light and heat.[Shelf Life] 2 years

100%Natural Pigment Purple Sweet Potato Extract -Proanthocyanidins 5%-70%



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