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gallnut extract 98% tannic acid food grade/tannic acid powder
Product Name | Gallnut Extract Tannin 98% |
Appearance | Light yellow to light brown powder |
Specification | 98% |
Test Methods | TLC |
Particle size | 100% pass 80 mesh |
CAS NO. | 1401-55-4 |
Molecular Formula | C76H52O46 |
MOlecular Weight | 1701.20 |
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.
Technological Process:
Raw Material → Immersion in water → Filtering → Purification →Concentration in Vacuum → Killing of Bacteria → Drying → Powder
Item | Specification | Result |
Physical control | ||
Appearance | Light yellow to light brown powder | Complies |
Assay | 98% | 98.03% |
Odor | Characteristic | Complies |
Particle Size | 100% pass 80 mesh | Complies |
Loss on Drying | ≤5.0% | 3.25% |
Chemical Control | ||
Total Heavy Metals | ≤10ppm | Complies |
Ash | ≤1ppm | Complies |
Lead | ≤ppm | Complies |
Arsenic | ≤1ppm | Complies |
Residue of Pesticide | Complies | |
Microbiological Tests | ||
Total Plate Count | ≤1000cfu/g | Complies |
Yeast&Mold | ≤100cfu/g | Complies |
E.coil | Negative | Complies |
Salmonella | Negativev | Complies |
Staphylococcus | Negative | Complies |
Packing and Storage | ||
Packing: Pack in paper-carton and two plastic-bags inside. | ||
Shelf life: 2 year when properly stored. | ||
Storage: Store in a well-closed place with constant low temperature and no direct sun light. |
1. Gallnuts Extract Tannic Acid has the function of antioxidant and antimicrobial;
2. Gallnuts Extract Tannic Acid has the effect on improving the body disease-resistant ability, liver and gastrointestinal system function ;
3. Gallnuts Extract Tannic Acid With the function of treating chronic diarrhea and dysentery;
4. Gallnuts Extract Tannic Acid With the function of dispelling heat, eliminating irritability,diuretic, cooling blood and detoxification;
5. Gallnuts Extract Tannic Acid With the function of enhancing immunity.
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.
Shipping Terms | ||
By Express | By Air | By Sea |
Suitable for under 10KG Fast : 3-5 day High cost Door to door service Picking up goods easily |
Suitable for under 50KG Fast : 5-7 day High cost Port to port Professional broker needed |
Suitable for large quantity Slow : 7-45 day Low cost Port to port Professional broker needed |