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METHOD FOR PRODUCING THE ANTIBIOTIC MIXTURE A-42355 CONTAINING FACTORS A, B, D AND H OF A-30912 AND THE INDIVIDUAL FACTORS
METHOD FOR PRODUCING THE ANTIBIOTIC MIXTURE A-42355 CONTAINING FACTORS A, B, D AND H OF A-30912 AND THE INDIVIDUAL FACTORS
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机译:包含A-30912的因子A,B,D和H以及单个因子的抗菌混合物A-42355的生产方法
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摘要
A process is disclosed for preparing the A-42355 antibiotic mixture which comprises A-30912 factors A, B, D, and H, and the individual factors, A-30912 factor A, A-30912 factor B, A-30912 factor D and A-30912 factor H, which comprises cultivating the newly isolated Aspergillus nidulans var. roseus NRRL 11440 in a culture medium containing assimilable sources of carbohydrate, nitrogen, and inorganic salts under submerged aerobic fermentation conditions until a substantial amount of antibiotic activity is produced, separating the antibiotic mixture from the culture medium, and if desired, isolating the individual factors from the antibiotic mixture.
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