| 摘要 |
PROBLEM TO BE SOLVED: To obtain a novel peptide and its salts that have excellent antitumor action. SOLUTION: This peptide is represented by the formula. The compound of the formula is obtained by culturing Streptomyces nobilis (for example, JCM 4274 strain or the like) in a culture medium containing L-arabinose, meat essence and the like at a pH of 6-8, at a temperature of 25-30 deg.C under aerobic conditions. The daily dose of the peptide of the formula is preferably in the range of 50-200 mg/adult. |
