1963 年 16 巻 3 号 p. 115-120
An active material was obtained from the fermentation liquor of a strain of streptomyces, Streptomyces reticuli var. protomycicus2) selected in the screening with Endameba histolytica as a test organism 1). It was given a name of protomycin. The following is a description of the assay procedure, fermentation, extraction, purification and properties of the active principle.