Model: | PA-009 |
---|---|
Brand: | YG-BIO |
Origin: | Made In China |
Category: | Agriculture & Foods / Agricultural Products & Resources / Plant Extract |
Label: | tannic acid , industry tannic acid , gallic acid |
Price: |
US $1
/ kg
|
Min. Order: | 1 kg |
Last Online:24 Mar, 2016 |
Tannic Acid
Tannic acid is a polymer of gallic acid molecules and glucose. Commercial tannic acid is usually extracted from any of the following plant part: Tara pods (Caesalpinia spinosa), gallnuts from Rhus semialata or Quercus infectoria or Sicilian Sumac leaves (Rhus coriaria). Tannic acid has anti-bacterial, anti-enzymatic and astringent properties. Tannic acid is also used in many industrial applications. The best known is the tanning of leather. Tannic is acid is sometimes used to clear wines. Tannic acids reacts with proteins in wine to form insoluble complexes which sediment or can be filtered.
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Specifications: 81% Tannic acid(Industry grade); 93% Tannic acid(Food grade)
Botanical name: Galla Chinensis Mill
Characters: Light Yellow Powder
Odour: Practically odourless
Taste: Neutral/slight astringent taste
Mesh: 80
Loss on drying %: ≤9.0%
Storage and shelf life:
Storage: 1kg foil bag, 25kg/drum ,double plastic bags for inner packing and carton drum for outer packing
Stored conditions: Cool&dry place. Do not freeze. Keep away from strong light and heat
Shelf time: 3 years when stored properly