Extraction and Purification of Polyphenolic Compounds Obtained from Hsian-Tsao (Mesona Procumbens Hemsl.)

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Extraction and purification of polyphenolic compounds from Hsian-tsao (Mesona procumbens Hemsl.) were investigated. The polyphenolic compounds were extracted by using acetone, ethanol or methanol at three different concentrations. The polyphenolic concentration and the inhibition of lipid peroxidation were determined. The results showed that, among solvents tested, 75% acetone solvent extracted a maximum amount of polyphenolic compounds from Hsian-tsao. The 75% acetone extract was purified further by AB-8 adsorption column chromatography and eight fractions, A~H, were obtained. Among eight fractions, Fraction E had the highest polyphenolic content and inhibition(76%). Moreover, Fraction E was separated into four polyphenolic compounds (1~4) by HPLC and each compound reached a purity of more than 98%. The structure of the compound was identified by LC-MS and NMR, and the compound-4 was determined to be astragalin (a flavonol glycoside) which was obtained from HT for the first time.

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Periodical:

Advanced Materials Research (Volumes 550-553)

Edited by:

Zili Liu, Feng Peng and Xiaoguo Liu

Pages:

1790-1795

Citation:

Z. X. Huang et al., "Extraction and Purification of Polyphenolic Compounds Obtained from Hsian-Tsao (Mesona Procumbens Hemsl.)", Advanced Materials Research, Vols. 550-553, pp. 1790-1795, 2012

Online since:

July 2012

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$41.00

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