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Tannic Acid
Tannic acid is in a class of chemicals called tannins, which are found in many plants. Tannic acid refers to tannins that can be dissolved in water, as opposed to the other type, or condensed tannins. According to Cornell University Department of Animal Science, tannins are a group of compounds known as plant polyphenols, which cause proteins to bind and form complexes. Tannins are found in many of the foods you eat, including fruits, teas, wine and edible grasses .
Product Name: Tannic Acid 98%
Latin Name: Eucommia Ulmoides
Appearance: Brown fine powder to white crystalline solid
Test Method: HPLC
Specs: 50%~99%
[Certificate of Analysis]
Description |
Light Yellow Powder |
Qualified |
Tannic Acid Content (Dry Basis) |
≥95%(UV) |
97.2%(UV) |
Mesh Size |
100%pass 80mesh |
Qualified |
Identification |
(+) |
Positive |
Odor |
Practically odourless |
Qualified |
Taste |
Neutral/slight astringent taste |
Qualified |
PH(1% In Water) |
3-4 |
4 |
Residue On Ignition |
≤1.0% |
0.2% |
Loss on Drying |
≤9.0% |
7.3% |
Bulk density |
30~45g/100mL |
40g/100ml |
Gums, Dextrin Test |
No turbidity |
Qualified |
Resins Test |
No turbidity |
Qualified |
Gallic Acid |
≤1% |
0.75% |
Colour Gardner(1/10 alcohol) |
≤5 |
2 |
Solubility |
Very soluble in water, freely soluble in , in alcohol |
Qualified |
[Function]
1. With the function of antioxidant and antimicrobial;
2. It has the effect on improving the body disease-resistant ability, liver and gastrointestinal system function ;
3. With the function of treating chronic diarrhea and dysentery;
4. With the function of dispelling heat, eliminating irritability, diuretic, cooling blood and detoxification;
5. With the function of enhancing immunity.
[Application]
1. As pharmaceutical raw materials for clearing heat, anti-inflammation and so on, it is mainly used in pharmaceutical field;
2. As the raw material of product for benefiting stomach, increasing energy and boosting the immunity, widely used in health industry;
3. Applied in food field, it can be produced into wine, canned, condensed juice and other more nourishment;
4. As active ingredients of skin care products, it is mainly used in cosmetic industry;
5. Industrial grade.
FAQ
Q1: How about the validity of the offer?
A: Usually, quotation is valid for 1 week. However, the validity period may be affected by
factors such as ocean freight, raw material prices, etc.
Q2: What is the payment method you can accept?
A: We usually accept T/T, L/C.
Q3: May I get some samples from your side?
A: Yes, of course. We'd like to provide 100-500 g free sample to you, which depends on
product you need. You just need bear the express freight, but we will refund you after you
place bulk order.
Q4: How about lead time?
A: In general the lead time is 2-3 weeks, sometimes it can be shorter or longer
Q5: What kind of package do you have?
A: We have various of packages to meet needs of our customers,like bags or drum for solid
products,lron drums, plastic drums, IBC tank s, Flexitank, ISO TANK for liquid products.
Q6: Which documents can you supply?
A: We usually provide our customers with Commercial Invoice, Price List, Packing List, COA,
OriginCerificate, Quality/Quantity Certificate, Beneficary's Certificate, MSDS, B/L and others.