Gallic acid organic Gallnut Extract

Gallic acid, chemically named 3,4, 5-trihydroxybenzoic acid, molecular formula C7H6O5, is a polyphenolic organic compound. It can be found in plants such as rhubarb, eucalyptus urophylla and cornus officinalis. It is widely used in food, biology, medicine, chemical industry and other fields. Character Appearance: white crystalline powder Solubility: soluble in hot water, ether, ethanol, acetone and glycerol, insoluble in cold water, insoluble in benzene and chloroform Application antioxidants Gallic acid esters can be synthesized from gallic acid. According to the number of alkyl carbon atoms, the alkyl esters of gallic acid can be divided into low esters (such as methyl ester, ethyl ester, propyl ester, etc.) and high esters (such as octyl ester, laurel ester, octadecyl alcohol ester, etc.). These ester compounds are excellent food antioxidants. Most of the aquatic products abroad are changed to leaching or spraying gallic acid as antioxidants. Biological act…