BIOLOGICAL-ACTIVITIES OF CYANOBACTERIA - EVALUATION OF EXTRACTS AND PURE COMPOUNDS

被引:107
作者
FALCH, BS
KONIG, GM
WRIGHT, AD
STICHER, O
ANGERHOFER, CK
PEZZUTO, JM
BACHMANN, H
机构
[1] ETH ZURICH, DEPT PHARM, CH-8057 ZURICH, SWITZERLAND
[2] UNIV ILLINOIS, COLL PHARM, DEPT MED CHEM & PHARMACOGNOSY, PROGRAM COLLABORAT RES PHARMACEUT SCI, CHICAGO, IL 60612 USA
[3] SWISS FED INST WATER RESOURCES & WATER POLLUT CON, CH-8600 DUBENDORF, SWITZERLAND
关键词
CYANOBACTERIA; BRINE SHRIMP LETHALITY; CYTOTOXIC; ANTIMICROBIAL; FISCHERELLA AMBIGUA; AMBIGOL A; AMBIGOL B; TJIPANAZOLE D;
D O I
10.1055/s-2006-958092
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
A total of 80 lipophilic and hydrophilic extracts obtained from 20 samples of cultured freshwater and terrestrial cyanobacteria were investigated for their biological activities. Of all the extracts, 26 % exhibited a significant lethal effect against brine shrimp. Out of 54 extracts tested for antimicrobial activity, 78 % showed antibacterial and 45 % antifungal activities. Of 30 extracts tested for cytotoxicity against KB cells, none was found to be active. Bioassay-guided fractionation of the lipophilic extracts of Fischerella ambigua led to the isolation of three compounds; ambigols A (1) and B (2), and tjipanazole D (3). Compounds 1 and 2 exhibited antibacterial, antifungal, cytotoxic, molluscicidal, anti-inflammatory, and antiviral activities. Tjipanazole D (3) showed moderate antibacterial properties.
引用
收藏
页码:321 / 328
页数:8
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