抗菌素430产生菌发酵条件研究
Optimization of fermentation conditions for obtaining antibiotics 430 from Streptomyces strain TJ430
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摘要: 从云南元阳土壤中分离得到链霉菌菌株TJ430,其代谢产生的蒽环类抗生素具有广谱抗真菌、细菌活性.通过研究该菌株摇瓶发酵条件,明确其摇瓶发酵培养基配方为:葡萄糖1.8%、蛋白胨0.5%、豆粕0.3%、酵母膏0.1%、碳酸钙0.025%;最优发酵条件为:250 mL摇瓶装液量25 mL,接种量9.0%,培养温度28℃,初始pH 8.5,转速200 rpm,培养时间96 h.