• CHINESE GALLNUT

    CHINESE GALLNUT

    Galla chinensis originated in China. the main component of gallnut is gallnut tannin. tannin is hydrolyzed to gallic acid. gallic acid is the starting material of of many pharmaceutical intermediates or drugs.
  • ANTIBACTERIAL EFFECT

    ANTIBACTERIAL EFFECT

    The spectrum antimicrobial activity of gallnut is stronger. the Decoction of gallnut has different inhibitory effects on many strains. its antimicrobial effect is to make protein precipitate and coagulate easily by tanning. skin is the main distribution part of antimicrobial components.
  • ANTIOXIDANT ACTIVITY

    ANTIOXIDANT ACTIVITY

    The ortho-phenolic hydroxyl group has a good effect in scavenging superoxide free radicals, and this structure also exists mostly in gallnut, so it has a significant anti-aging effect. gallic acid and propyl gallate are widely used as antioxidants in food and other chemical products.
  • WIDE PROSPECTS FOR USE

    WIDE PROSPECTS FOR USE

    Gallnut and its derivatives are increasingly used in modern food, medicine, cosmetics and health industries.

We will continuously meet the growing

needs of our customers with high quality

products and good service!

  • 04

Shanghai Kanwinn
Pharmchem Ltd.

Shanghai Kanwinn Pharmchem Ltd. founded in 2002, mainly engaged in the development, production and trade of pharmaceutical intermediates such as gallic acid and its derivatives. we are a leading supplier specializing in providing intermediates for international chemical, pharmaceutical, fine chemical, textile and dyeing industries. Shanghai kanwinn Pharmchem Ltd. used to be a major supplier of 2,3,4-Trihydroxybenzaldehyde to Roche Group. products are sold well in Japan, the United States and Europe, with annual sales of millions of dollars. we will continuously meet the growing needs of our customers with high quality products and good service!

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