– Specification:
Proanthocyanidins: 90, 95, 98
Polyphenols: 60%, 70%, 80%, 95%
Low poly: 50%, 60%, 70%
-CAS Number: 84929-27-1
-Properties: reddish brown to brown powder
-Plant source: Seed of grape plant grape Semen vitis vinifer. Grapes, deciduous vines. Palmate leaves, alternate leaves, heart-shaped at the base, close together on both sides, with coarse teeth on the edge 3 to 5 cracks, compound racemes, usually conical, also called panicles, small flowers, yellow-green, mostly round berries Or oval or spherical, the color varies with varieties. The place of origin in western Asia, most of the vineyards in the world are distributed between 20-52 degrees north latitude and 30-45 degrees south latitude, most of which are in the northern hemisphere. Chinese grapes are mostly between 30 and 43 degrees north latitude.
-Solubility: soluble in water and most organic solventsTwo, technical indicators
1. Appearance: reddish brown powder;
2. Total ash content ≤5%, acid-insoluble ash content ≤2.0%;3. Loss on drying ≤5.0%;
4. Heavy metals ≤10ppm (Pb≤2ppm, Hg≤1ppm, Cd≤0.5ppm, As≤2ppm);5. Microorganisms (non-irradiated): total number of colonies≤1000CFU/g; molds and yeasts≤100CFU/g; Salmonella: Negative; Escherichia coli: Negative.
-Three, packaging and storage:
[Product packaging]: double-layer plastic bags for internal use, aluminum foil bags or cardboard drums for external use.
[Packing specifications]: 25Kg/barrel
[Storage conditions]: Store in a cool, dry, dark, and high temperature place.
[Shelf Life]: Three years
