≥1 piece |
What is 100% water soluble Grape Seed Extract powder?100% water soluble Grape Seed extract are industrial derivatives from whole grape seeds that have a great concentration of vitamin E, flavonoids, linoleic acid, and OPCs. Typically, the commercial opportunity of extracting grape seed constituents has been for chemicals known as polyphenols, including oligomeric proanthocyanidins recognized as antioxidants.
Product Name |
Grape Seed Extract |
Botanical Name |
Vitis Vinifera L. |
Plant Part Used |
Seed |
Origin of Material |
China |
Extraction Solvents |
Water |
Batch Number |
HK20140123 |
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Characteristics
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|
|
Appearance |
Light Red Brown Powder |
Complied |
Odor |
Light Smell |
Complied |
Taste |
Astringent |
Complied |
IdentificationUV(in EtOH 96%)
Beta-Smith reaction |
λmax=280nm λmin=256nm λmax : between 540 and 550nm |
λmax : 279nm λmax : 546nm |
Tests |
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|
Proanthocyanidins ( UV, Beta-Smith ) |
≥95% |
98.8% |
Polyphenols (UV, Folin-C) |
≥70% |
84.1% |
Mesh size |
100% Pass 80 Mesh |
Complied |
Bulk Density |
45~ |
|
Loss On Drying |
≤5% |
2.7% |
Heavy Metals |
<10.0mg/kg |
Complied |
Ash PH Pesticide Residues(GC) |
≤3% 3.5 ~ 4.5 Meet Requirements |
1.2% 3.8 Complied |
Microbiological
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|
|
Total Plate Count |
<1000 cfu/g |
Complied |
Yeast and Mold |
<100 cfu/g |
Complied |
Aflatoxin |
0.2ppb |
Negative |
E. Coli |
Negative |
Negative |
Staphylococus Aureus |
Negative |
Negative |
Salmonella |
Negative |
Negative |
Conclusion |
Confirmed |
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