期刊
NATURAL PRODUCT RESEARCH
卷 22, 期 8, 页码 649-657出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/14786410701369417
关键词
dinoflagellate; Heterocapsa circularisquama; monogalactosyl monoacylglycerol; digalactosyl monoacylglycerol; cytolytic activity
A monogalactosyl monoacylglycerol 1 and two digalactosyl monoacylglycerols 2 and 3 were isolated from a cultured marine dinoflagellate Heterocapsa circularisquama along with known (2S)-1-O-6,9,12,15-octadecatetraenoyl-3-O- beta-D-galactopyranosyl]-sn-glycerol (4). On the basis of spectral analysis, the glycolipid 1 was characterised as (2S)-1-O-3,6,9,12,15-octadecapentaenoyl-3-O-beta-D-galactopyranosyl]-sn-glycerol. The glycolipids 2 and 3 were characterised as (2S)-1-O-3,6,9,12,15-octadecapentaenoyl-3-O-[alpha-D-galactopyranosyl-(1 ''' -> 6 '')-O-beta-D-galactopyranosyl]-sn-glycerol and (2S)-1-O-6,9,12,15-octadecatetraenoyl-3-O-[alpha-D-galactopyranosyl-(1 ''' -> 6 '')-O-beta-D-galactopyranosyl]-sn-glycerol, respectively. The isolated monoacylglycerols 1-4 showed cytolytic activity towards heart and gill cells of oyster.
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