There is disclosed a new antibiotic called calvatic acid having the structure p-carboxyphenyl-azoxycarbonitrile and processes for its production by fermentation and processes for its recovery and purification. This substance is effective in inhibiting the growth of Gram-positive bacteria and carcinoma.
本发明公开了一种新的
抗生素,称为卡瓦酸(calvatic acid),其结构为对羧基
苯基偶
氮氰和通过发酵制备该物质的过程以及其回收和纯化的过程。该物质对革兰氏阳性细菌和癌症的生长具有抑制作用。