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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/27083
Title: Isolation of bioactive metabolites from root extracts of Polyalthia debilis
Authors: Supaluk Prachayasittikul
Ketkaew Buttrawong
Apilak Worachartcheewan
Somsak Ruchirawat
Virapong Prachayasittikul
Srinakharinwirot University
Mahidol University
Chulabhorn Graduate Institute
Keywords: Agricultural and Biological Sciences;Computer Science;Earth and Planetary Sciences;Engineering;Materials Science;Mathematics
Issue Date: 1-Jan-2009
Citation: European Journal of Scientific Research. Vol.38, No.4 (2009), 596-603
Abstract: Bioactive azafluorenone alkaloids from Polyalthia debilis were previously reported. Herein, bioactive root extracts of P. debilis (hexane and methanol) with antimalarial, antimicrobial and cytotoxic activities were further explored. Upon repeated chromatographic isolations of the extracts gave triterpenes; 3-acetylaleuritolic acid (1), suberosol (4) and stigmasterol (2) together with a mixture of stigmasterol and β-sitosterol (3) including many fractions of triterpenes mixture. Compounds 1 and 4 were isolated from the P. debilis for the first time. The sterol 3 exhibited antifungal action against Saccharomyces cerevisiae ATCC 2601 with a minimum inhibitory concentration of 64 μg/mL. Some of the isolated fractions were also shown to be antifungals. The results provide medicinal applications of the plant species. © EuroJournals Publishing, Inc. 2009.
URI: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=79959927787&origin=inward
http://repository.li.mahidol.ac.th/dspace/handle/123456789/27083
ISSN: 1450202X
1450216X
Appears in Collections:Scopus 2006-2010

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