| 摘要 |
NEW MATERIAL:Ebelactone A or ebelactone B expressed by the formula (R is CH3 or CH3-CH2-). USE:An immunity enhancing agent, having antiesterase and antiformylmethionine aminopeptidase activity, further an anti-inflammatory action and an enhancing action on a carcinostatic substance. PROCESS:A microorganism capable of producing ebelactone which belongs to the genus Streptomyces, e.g. Streptomyces MG7-G1 strain (FERM-P NO. 5363) belonging to the genus Streptomyces, is cultivated to produce and accumulate the ebelactone in the culture fluid, and the ebelactone is collected therefrom. |
