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Giant Knowtweed P.E.

Giant Knowtweed P.E.

piebald bamboo, acid tube stem, sour soup stalk, spotted cane root, yellow ground elm 

Key words:

Giant Knowtweed P.E.

Classification:

Homologous

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DESCRIPTION

Giant Knowtweed P.E.

[Other names]: piebald bamboo, acid tube stem, sour soup stalk, spotted cane root, yellow ground elm 

【Plant origin】: The dried rhizome of the perennial shrub-like herbaceous plant Polygonum cuspidatum sieb.et zucc

[Distribution area]: distributed in Northwest, East China, Central China, South China and Southwest China

【Product specifications】:Resveratrol: 20% 50% 98%

Resveratrol

【CAS】：501-36-0

[molecular formula]: C14H12O3

【Molecular weight】: 228.24

【Structural Formula】:

       

[Detection method]: HPLC

2. Technical indicators

1. Appearance: brown powder;

2. Total ash ≤5%, acid insoluble ash ≤2.0%;

3. Loss on drying ≤ 5.0%;

4. Heavy metals≤ 10ppm (Pb≤2ppm, Hg≤1ppm, Cd≤0.5ppm, As≤2ppm);

5. Microorganisms (non-irradiation): total colony number≤ 5000CFU/g; Mold and yeast≤ 500CFU/g;

Salmonella: Negative; E. coli: Negative.

3. Packaging and storage

[Product packaging]: double-layer plastic bag inside, aluminum foil bag or cardboard drum outside

【Packing specifications】: 10Kg/barrel, 25Kg/barrel

[Storage conditions]: Place in a cool, dry, dark, and high temperature place.

[Shelf life]: two years

 

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