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Areca catachu L. which was showed antimicrobial activity against intestinal pathogens through screening herbs related treatments of intestinal diseases, were extracted by methanol and fractionated by n-hexane, ethylether, ethylacetate, and water. Antimicrobial activities of the methanol extract and ...

Areca catachu L. which was showed antimicrobial activity against intestinal pathogens through screening herbs related treatments of intestinal diseases, were extracted by methanol and fractionated by n-hexane, ethylether, ethylacetate, and water. Antimicrobial activities of the methanol extract and each fractionates were then investigated under the anaerobic broth system. All fractions of Areca catachu L. except of n-hexane showed antimicrobial activity against all tested pathogens. Especially, ethylacetate fraction of them had the most significant inhibition activity. There is no significant difference of antimicrobial activity among each fractionates. Fraction of Areca catachu L. ethylacetate fractionate, which were fractionated by Sephadex G-200 and Silica gel column chromatography revealed the strongest antimicrobial activity at 5 to 7 and 20 of fraction number, respectively.

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