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对中国南方土壤最常发現之三种类型放綫菌的三种代表抗菌素,从化学与物理性貭与文献所报告者作了比较,发现抗菌素A-94与制霉菌素(Fungicidine,Nystatin)为同一化合物。其他二个抗菌素A-113与A-262之研究推论为属于七烯类之新抗菌素,这两个抗菌素除抗酵母菌外并具有抗原虫、流感病毒之生物性质。
Three representative antibiotics of the three types of actinomycetes most commonly found in soils of southern China were compared with those reported in the literature for chemical and physical properties and found that antibiotics A-94 and Fungicidine (Nystatin) For the same compound. The other two antibiotics, A-113 and A-262, have been deduced to be novel antibiotics belonging to the class of heptacenes, which, in addition to yeasts, have the biological properties of anti-protozoal and influenza viruses.