Biotransformations of epiandrosterone (1), dehydroepiandrosterone (2) and pregnenolone (3) byAspergillus wentiiMRC 200316 for 5 days have been reported. Incubation of epiandrosterone (1) afforded 11α-hydroxy-5α-androstane-3,17-dione (4) and 3β,11α-dihydroxy-5α-androstan-17-one (5). Incubation of dehydroepiandrosterone (2) afforded 3β,7β-di-hydroxyandrost-5-en-17-one (6) and 3β,7α-dihydroxyandrost-5-en-17-one (7). Incubation of pregnenolone (3) afforded only 11α-hydroxypregn-4-ene-3,20-dione (8).
对
雄烯二酮(1)、
去氢表雄酮(2)和
孕酮(3)的
生物转化已经报道,由
Aspergillus wentiiMRC 200316在5天内进行。
雄烯二酮(1)的培养产生11α-羟基-
5α-雄烷-3,17-二酮(4)和3β,11α-二羟基-
5α-雄烷-17-酮(5)。
去氢表雄酮(2)的培养产生3β,7β-二羟基雄-5-烯-17-酮(6)和3β,7α-二羟基雄-5-烯-17-酮(7)。
孕酮(3)的培养只产生11α-羟基孕-4-烯-3,20-二酮(8)。