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Article – Journal of Natural Products and Resources

Journal of Natural Products and Resources, Volume 3,Issue 1,2017 Pages 90-93

Effective Method of Extraction of Betulin Diacetate from Birch Bark
A. Salah*, A. Bakibaev

A new method for extraction of diacetate betulin from birch bark was developed using a mixture of anhydride acetic acid and acetic acid with percentages of 64% and 36% consecutively. The temperature of extraction was 130 °C which gave a good yield, the extraction time didn’t exceed 48 hours. The structure and the purity of betulin diacetate was confirmed by the following measurements and techniques: melting point, element analysis, HPLC, 1H NMR, 13C NMR, DEPT and FTIR spectroscopy.

Keywords: Birch Bark; Acetic Acid; Betulin Diacetate;