| Customization: | Available |
|---|---|
| Certification: | ISO, FDA, HACCP |
| Assay Method: | HPLC, UV |
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CAS 1401-55-4 Factory Supply Gallnut Extract 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.
| ITEM | STANDARD | TEST RESULT |
| Tannic Acid | ≥80.0% | 81.20%by UV |
| Physical &Chemical | ||
| Appearance | Light yellow powder | Complies |
| Partical Size | 98%pass 80 mesh | Complies |
| Loss on Drying | ≤9.0% | 7.32% |
| Ash | ≤0.8% | 0.61% |
| pH | 3.0-4.0 | 3.5 |
| Gums,Dextrin Test | No turbidity | Complies |
| Gallic Acid | ≤1% | 0.75% |
| Colour Gardner(1/10 alcohol) | ≤5 | 2 |
| Solubility | Soluable in water,freely soluble in acetone,in alcohol |
Complies |
| Microbiological Test | ||
| Total Plate Count | ≤1,000cfu/g | <10cfu/g |
| Mold and Yeast | ≤100cfu/g | <10cfu/g |
| E.Coli | Negative | Negative |
| Salmonella | Negative | Negative |
| Conclusion Conform with specification | ||
1. Tannic acid has antioxidant and antimicrobial effects;
2. Tannic acid can improve the human body's ability to resist diseases and improve the function of liver and gastrointestinal system;
3. Tannic acid can treat chronic diarrhea and dysentery;
4. Tannic acid has the function of expelling heat and eliminating heat.
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