Seven microcystins from Microcystis waterbloom in Lake Dalai,China

查看全文 作　　者：He Zhenrong He Jiawan Yu Minjuan Institute of Hydrobiology,Chinese Academy of Sciences,Wuhan 430072,ChinaQiao Mingye Shen Zhi Wu Liandi Inner Mongolia Environmental Science Research Instìtute,Huhehote 010010,ChinaWu Suozhu Guo Yunfeng Hulunbeer League Environmental Monitoring Station,Inner Mogolia 021008,ChinaFumio Kondo Aichi Prefectural Institute of Public Health,Tsuji-machi,Kita-ku,Nagoya 462,JapanKen-ichi Harada Faculty of Pharmacy,Meijo University,Tempaku,Nagoya 468,Japan 出　　处：《Journal of Environmental Sciences》索引1997年第9卷第1期,共7页 摘　　要：Seven types of microcystins,isolated from Microcystis waterbloom in Lake Dalai,were characterized.The major toxins:MCYST-LR,MCYST-RR,[D-Asp³]MCYST-LR and[Dha⁷]MCYST-LR were identified by high performance liquid chromatography(HPLC),as com-pared with the authentic microcystins.The minor toxins:MCYST FR,[L-Mser⁷]MCYST-LRand an unknown MCYST which was most likely to be MCYST-(H₄)YR were identified with frit-fast atom bombardment liquid chromatography/mass spectrometry(Frit-FAB LC/MS)and aminoacid analysis.The toxigenic diversity in blue-green algae(cyanobacteria)was discussed. 关 键 词：MICROCYSTIN CYANOBACTERIA waterbloom identification Frit-FAB LC/MS.