Gallnut Extract Gallic acid powder Cas 149 91 7 Food Grade and Industrial Grade
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- Supplier: HANGZHOU TIANKAI NEW MATERIAL CO. LTD
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Product Overview
Description
Product Description
Gallic acid (also known as 3,4,5-trihydroxybenzoic acid) is an antioxidant and phenolic acid found in most plants in various amounts. Our gallic acid is extracted from gallnut,it also can extracted from Yunnan Pu-erh tea.
Gallic acid (GA) is a component of hydrolyzable tannins, also known as gallic acid, chemical name 3,4,5-trihydroxybenzoic acid. The content of gallic acid in Yunnan Pu-erh tea is relatively high.
On the general level, the content of gallic acid (9.01 mg/g) in Pu-erh tea is higher than that of other Chinese herbal medicines. In this sense, gallic acid is one of the important physiologically active components of Pu-erh tea.
White or light brown needle crystal or powder. Melting point 235-240 ℃ (decomposition). When heated to 100-120 ℃, it loses crystal water, and when heated to above 200 ℃, it loses carbon dioxide and generates pyrogallic acid (ie, pyrogallol). Soluble in hot water, ether, ethanol, acetone and glycerol, insoluble in cold water, insoluble in benzene and chloroform.
Application of Gallic Acid
1. Applied in the field of food, gallic acid can be made into more nutritional products such as wine, canned food, concentrated juice, etc.
2. Applied in the cosmetic industry, gallic acid is used as an active ingredient in skin care products.
3. Widely used in health care products industry.
4. For dyes, chemicals and organic synthesis, and analysis of rare metals.
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