制霉菌素(fungicidin; nystatin; mycostatin,)系Actinomyces aureus及streptomyces noursei等放綫菌所产生的抗真菌抗菌素。生产上系将产生菌在深层培养条件下培养,然后用甲醇等有机溶媒提取,經乙酸乙酯分段沉淀,制得制霉菌素。制霉菌素为四烯类两性化合物,其分子結 Fungicides (fungicidin; nystatin; mycostatin,) Actinomyces aureus and streptomyces noursei and other actinomycetes antifungal antibiotics. On the production line will produce bacteria cultured in the deep culture conditions, and then extracted with methanol and other organic solvents, ethyl acetate segmented precipitation, obtained nystatin. Nystatin is a tetraenoid amphoteric compound, the molecular knot