Method for producing antibiotic C-15003 P-3
AssigneeTakeda Chemical Industries, Ltd.
InventorsEiji Higashide, Kazunori Hatano, Mitsuko Asai
Life of this patent
Estimating the term…
Abstract
A novel Antibiotic C-15003 P-3 is specifically produced by cultivating a microorganism of the genus Nocardia in a culture medium containing valine or isobutyric acid and/or their derivatives. The Antibiotic C-15003 P-3 is useful as an antifungal, antiprotozoan and antitumor agent.
Claims3
In a method for producing Antibiotic C-15003 P-3 by cultivating a microorganism belonging to the genus Nocardia and being capable of producing Antibiotic C-15003 P-3 in a culture medium containing assimilable carbon sources, and digestible nitrogen sources, wherein the improvement comprises incorporating about 0.01 to 1% by weight based on the volume of the culture medium of valine, isobutyric acid, .alpha.-ketoisovaleric acid or its salt or ester, amide or salt of valine or isobutyric acid as additive substances into the culture medium.
Dependencies are inferred from the claim text.