期刊
REVISTA BRASILEIRA DE FARMACOGNOSIA-BRAZILIAN JOURNAL OF PHARMACOGNOSY
卷 27, 期 2, 页码 251-253出版社
SOC BRASILEIRA FARMACOGNOSIA
DOI: 10.1016/j.bjp.2016.08.011
关键词
Antimicrobial; Free radical scavenging; Cytotoxicity; Endophytic fungi; Epicoccum nigrum
资金
- University of Pretoria
- National Research Foundation and Medical Research Council
Four compounds including beauvericin, parahydroxybenzaldehyde, indole-3-carboxylic acid and quinizarin were isolated from endophytic fungus Epicoccum nigrum and their cytotoxicity, antibacterial and antioxidant activity were evaluated. Beauvericin had remarkable activity against two Gram-negative strains (Bacillus cereus and Salmonella typhimurium) with respective MIC values of 3.12 and 6.25 mu g/ml. All the compounds had weak cytotoxic effect on both normal and tumor cells. LC50 values ranged from 40.42 to 86.56 mu g/ml, 31.87 to 86.57 mu g/ml and 21.59 to 67.27 mu g/ml on Vero cells, THP-1 and RAW 264.7 respectively. The present study showed that these compounds could be developed for the formulation of antioxidant-rich therapeutic diets and as a therapeutic agent against bacterial infections. (C) 2016 Sociedade Brasileira de Farmacognosia. Published by Elsevier Editora Ltda.
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