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.
Tannic acid
Gallic acid
Methode | HPLC |
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Modus | RP |
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Substanzen | Gallic aid, Tannic acid |
Schlüsselwörter | Gallic acid, tannic acid, tannins, tanning agents, polyphenols, gallnut, gallnut extract, oak gall |
CAS Nummer | 149-91-7, 1401-55-4 |
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