Microwave assisted extraction of betulin from birch outer bark?

RSC Advances Pub Date: 2013-09-11 DOI: 10.1039/C3RA43868F

Abstract

In this communication, we report a new method for the isolation of betulin, a triterpenoid with interesting pharmacological activities, from birch outer bark. Remarkably high purity betulin raw extracts were obtained, ca. 95 wt%, through microwave assisted extraction with limonene. This saves time and energy when compared to the conventional methods.

Graphical abstract: Microwave assisted extraction of betulin from birch outer bark
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