期刊
PHYTOCHEMISTRY
卷 66, 期 2, 页码 233-239出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.phytochem.2004.11.010
关键词
Artemisia monosperma; Kuwait; 12-lipoxygenase; Mycobacterium; Staphylococcus aureus; cytotoxic; polyacetylene
During a study on the chemistry and biological activity of Kuwaiti plants, new metabolites including 4,6-dihydroxy-3-[3'-methyl-2'-butenyl]-5-[4-hydroxy-3-methyl-2-butenyl]-cinnamic acid (1), the 3R,8R stereoisomer of the C-17 polyacetylene dehydrofalcarindiol (2) and a C-10 polyacetylene glucoside (3) were characterised by spectroscopic means. Additionally, the previously characterised natural products 1,3R,8R-trihydroxydec-9-en-4,6-yne (4), spathulenot (5) and eriodyctiol-7-methyl ether (6) were also isolated. Compounds 2, 3, and 4 were evaluated for their ability to inhibit the enzyme 12-lipoxygenase and 3 and 4 showed moderate activity at 30 mug/ml. Compound 2 was evaluated against a panel of colorectal and breast cancer cell lines and IC50 values ranged from 5.8 to 37.6 mug/ml. Against a panel of fast-growing mycobacteria and a standard ATCC strain of Staphylococcus aureus, compound 6 exhibited minimum inhibitory concentrations in the range of 64-128 mug/ml. (C) 2004 Elsevier Ltd. All rights reserved.
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