Home >> Products >> Categories: (GIT Protective Agents, Herbal Extracts, Q) >> Quercus Infectoria Extract Quercus Infectoria Extract Botanical Name : Quercus Infectoria ExtractCommon Name : Tannic acid Extract Assay : 70% - 90% Tannins by Titration Applications : GIT Protective AgentsProduct Usage : Astringent, Reduces Gonorrhoea Make an Enquiry!! Description : Tannic acid is a specific form of tannin, a type of polyphenol.