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Product Name: Tannic Acid 98%
Latin Name: Eucommia Ulmoides
Appearance: Brown fine powder to white crystalline solid
Test Method: HPLC
Specs: 50%~99%
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 .
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.
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Description |
Light Yellow Powder |
Qualified |
|
Tannic Acid Content (Dry Basis) |
≥95%(UV) |
97.2%(UV) |
|
Mesh Size |
100%pass 80mesh |
Qualified |
|
Identification |
(+) |
Positive |
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Odor |
Practically odourless |
Qualified |
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Taste |
Neutral/slight astringent taste |
Qualified |
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PH(1% In Water) |
3-4 |
4 |
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Residue On Ignition |
≤1.0% |
0.2% |
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Loss on Drying |
≤9.0% |
7.3% |
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Bulk density |
30~45g/100mL |
40g/100ml |
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Gums, Dextrin Test |
No turbidity |
Qualified |
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Resins Test |
No turbidity |
Qualified |
|
Gallic Acid |
≤1% |
0.75% |
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Colour Gardner(1/10 alcohol) |
≤5 |
2 |
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Solubility |
Very soluble in water, freely soluble in acetone, in alcohol |
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Our company information:
Qingdao Sigma Chemical Co., Ltd.is a global chemical industry manufacturers and suppliers of pharmaceuticals and intermediates, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc.
The aim of Qingdao Sigma Chemical Co., Ltd is a quality policy that "Elements in the system all have been satisfied, Personnel has been trained; Every batch of material is checked, Each procedure guarantees the quality; Every bag of our products is top grade, Service is thoughtful all the time, quality and reputation to increase market share and promote enterprise development. The quality, colors and forms of our products have reached a high level in related chemical industry, which relies on characteristic and advanced processing technology and it has gained a high and reliable reputation from customers at both quality and services.
Qingdao Sigma Chemical Co., Ltd has become the "Top 500 Chinese manufacturing companies",
"Top 20 of global chemical sales".Qingdao Sigma Chemical Co., Ltd has 21 subsidiaries and holding companies.
Q1: Are you a manufacturer?
Answer: Yes, we are factory founded on 2002.
Q2: How to contact with us?
Click the Alibaba "Contact Supplier" And then send us message the product you interest in, you will get reply within 24 hours.
Q3:Which kind of payment terms do you accept?
For small order,you can pay by T/T,Western Union or Paypal,nomal order by T/T to our company account
Q4:Can you give me a discount price?
Surely,It depend on your qty
Q5:How can i get a sample?
free samples is available,but freight charges will be at your account and the charges will be return to you or deduct from your order in the future.
Q6: How to confirm the Product Quality before placing orders?
A:You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.
Q7:How do you treat quality complaint?
A:First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss.
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