Medical Field
Galla chinensis, also known as hundred insect warehouse, Baiyaojian, is a hornfold aphid or double egg aphid female of Aphididae of Homoptera, which parasitizes on the tender leaves or petioles of the lacquer family plant "salt skin wood" and other plants of the same genus, and stings to form a sac-like polyphyllous insect gall. my country is the main producer of gallnut, and its output accounts for about 95% of the world's total output. It is also my country's traditional forest products and export commodities. Therefore, gallnut is also called "Chinese gallnut" internationally ". Galla chinensis has a long history in our country. As early as more than 2000 years ago, there was a record in Shanhaijing that "there are trees in Shu today, and ears are spit in July and August. The ears can be made into soup. Galla chinensis was first published in 739 AD "Herbal Collection": "Treatment of intestinal deficiency and diarrhea, cooked soup service", and it was first proposed that galla chinensis has the effect of astringency and intestinal antidiarrheal. There are also records of gallnut and its use in Taiping Guangji of Song Dynasty and Compendium of Materia Medica of Ming Dynasty. In the field of medicine, gallnut as a traditional Chinese medicine has a wide range of applications.
Modern scientific research shows that gallic acid is the main effective component of gallnut tannin hydrolysis. The main method of preparing gallic acid is the use of gallic acid rich tannin in acid, alkali, enzyme catalyzed hydrolysis, gallic acid monomer can continue through reduction, oxidation, amination, esterification, etherification, polymerization and other reactions to produce gallic acid derivatives with various effects.
The company uses tannic acid and gallic acid as raw materials to produce pyrogallic acid, 1,2, 3-trimethoxybenzene, 2,3, 4-trihydroxybenzaldehyde, 2,3, 4-trimethoxybenzaldehyde, 3,4, 5-trimethoxybenzoic acid, 3,4, 5-trimethoxybenzoic acid methyl ester and other products that can be used as pharmaceutical intermediates, as important raw materials, these products are widely used in drugs for the treatment of common diseases such as liver diseases, gastrointestinal diseases, and cardiovascular diseases. Representative products include bifendate, trimebutin, and trimetazidine hydrochloride.