Optimization of Extraction and Purification Process for Ursolic Acid

doi:10.7506/spkx1002-6630-201202027

Abstract

Abstract: In order to improve the purity of ursolic acid, the extraction and purification process of uroslic acid was optimized to explore the effects of ethanol concentration, extraction temperature, material/liquid ratio and material/activated carbon ratio on extraction rate and purity. The results showed that the optimal extraction and purification process conditions were ethanol concentration of 95%, extraction temperature of 80 ℃, material/liquid ratio of 1:20 and material/activated carbon ratio of 2:1. Under the optimal conditions, the extraction rate and purity of uroslic acid were 45.68% and 98.55%, respectively.

Key words: ursolic acid, extraction, purification, orthogonal test

CLC Number:

R284.2

WANG Jian-hui, HUANG Wan, LI Chi-ling. Optimization of Extraction and Purification Process for Ursolic Acid[J]. FOOD SCIENCE, 2012, 33(2): 124-126.

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Optimization of Extraction and Purification Process for Ursolic Acid

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