lumisterol

5 g·L-1 ergosterol ethanol solution was irradiated by 20W UVA sunlamps under the condition of(5±2)℃ to synthesize the lumisterol,and the reaction was monitored by HPLC.

L-1的麦角固醇乙醇溶液合成光甾醇,采用HPLC监测,结果表明3 h后光甾醇的收率最高,达到50%,并用柱色谱,以氧化铝为吸附剂,正己烷-乙酸乙酯(2∶1,v/v)为展开剂分离提纯得到4。