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Quantitative determination of gallic acid and tannic acid from gallnut extract

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Application No.: VPH0063

Quantitative determination of gallic acid and tannic acid from gallnut extract

Quercus infectoria gallae (oak gall) contain tannins which are characterized to have curative and anti-inflammatory properties. Because of their antiviral and antibacterial qualities, tannins from gallnut extracts have been used in traditional and ayurvedic medicine as well as beauty culture. A newly developed gallnut extract was prepared in a glycerin-water-mixture. To examine the quality of this extract a reliable, innovative HPLC method was worked out to determine the containing active ingredients.

Technical Data

Application

Method HPLC

Separation conditions

Mode RP
Substances Gallic aid, Tannic acid
Key words Gallic acid, tannic acid, tannins, tanning agents, polyphenols, gallnut, gallnut extract, oak gall
CAS number 149-91-7, 1401-55-4

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