Grape Skin Extract Anthocyanin
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Grape Skin Extract Anthocyanin

Grape Skin Extract Resveratrols 1-20% Anthocyanidins 1-10% Proanthocyanidins 1-40% Polyphenols 1-30%
  • Yangge
  • COA-Grape Skin Extract 5%Anthocyanidins-YG20220210.pdf
  • Grape skin extract powder
  • Fruit
  • Antioxidant
  • Resveratrols 1-20%,Anthocyanidins 1-10%,Proanthocyanidins 1-40%, Polyphenols 1-30%
  • HPLC
  • Dark purple powder
Availability:

  What is grape skin extract?

  Grape skin extract are grape skin anthocyanins and some phenols, anthocyanins. the grape skin extract powder is purple and the liquid is brownish-purple, both of which have slight characteristics of the grape. It is soluble in water and alcohol, and easily dissolves propylene glycol, but not oil. When the pH value is different, the color shade of the aqueous solution will change. When the pH is between 2-6, the color is purple and it is stable. The color of the solution turns blue, when the pH exceeds 6, it cannot. Its solution color will not fade for a long time, and it also has good resistance to high temperature and acidic medium. It has the effect of protecting tiny blood vessels and anti-inflammatory.


  Active ingredients: anthocyanins, proanthocyanidins, resveratrol, polyphenols.


  Grape skin extract buy YANGGEBIOTECH hot selling specifications: anthocyanin 1-10% UV, proanthocyanidin 1-40% UV, resveratrol 1-20% HPLC, polyphenol 1-30% UV.


  Product COA

ITEM
STANDARD
TEST RESULT
Specification/Assay
Anthocyanin ≥30.0%
31.63%
Physical & Chemical
Appearance
Red powder
Complies
Odor & Taste
Characteristic
Complies
Particle Size
100% pass 80 mesh
Complies
Loss on Drying
≤5.0%
2.55%
Ash
≤1.0%
0.31%
Heavy Metal
Total Heavy Metal
≤10.0ppm
Complies
Lead
≤2.0ppm
Complies
Arsenic
≤2.0ppm
Complies
Mercury
≤0.1ppm
Complies
Cadmium
≤1.0ppm
Complies
Microbiological Test
Microbiological Test
≤1,000cfu/g
Complies
Yeast & Mold
≤100cfu/g
Complies
E.Coli
Negative
Negative
Salmonella
Negative
Negative
Conclusion
The product meets the testing requirements by inspection.
Packing
Double food grade plastic-bag inside, aluminum foil bag or fiber drum outside.
Storage
Stored in cool and dry places. Keep away from strong light and heat.
Shelf Life
24 months under the above condition.


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