Determination of Total Tannins and Gallic Acids in Fruits of Tibetan Medicine Phyllanthus emblica

Objective To determine total tannins and gallic acid in Fruits of Tibetan medicine Phyllanthus emblica.Methods With the gallic acid as reference,tannins and gallic acid of Tibetan medicine Phyllanthus emblica were determined by ultraviolet spectrophtometer and high performance liquid chromatography.Results The content of total tannins in fruits of Tibetan medicine Phyllanthus emblica was 11.44%,the content of gallic acid in Fruits of Tibetan medicine Phyllanthus emblica was 3.35%.Conclusion The method is simple,accurate and reproducible.