Process for recovering macromomycin

摘要

There is provided a process for recovering macromomycin (hereinafter referred to as MCR) which comprises adding coagulants or coagulants and neutralizers to a culture filtrate saturated with ammonium sulfate and collecting the resulting precipitate containing MCR in a high yield at low centrifugal force. From the precipitate obtained, MCR powders can be prepared according to the methods described in U.S. Pat. No. 3,595,954 and others.