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New antibiotic PF1016A material and PF1016B material and those manufacturing methods
New antibiotic PF1016A material and PF1016B material and those manufacturing methods
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机译:新型抗生素PF1016A和PF1016B材料及其制造方法
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NEW MATERIAL:Antibiotic PF1016 substance having the following properties and a salt thereof. Color and shape: white powder. Molecular formula: C44H58O16. Mass spectrum (SI-MS): m/z 843(M+H)+. Melting point: 143-146 deg.C. Specific rotatory power: [alpha]D15=+5.7 deg.. (C=1.0, MeOH). Solubility: soluble in methanol, slightly soluble in acetone and ethyl acetate and insoluble in water. A weakly acidic substance, etc. USE:An antifungal agent and anti-mycoplasma agent having low toxicity. PREPARATION:A fungus (e.g. FERM P-10511) belonging to asporous Fungi imperfecti, capable of producing antibiotic PF1016A substance is cultured preferably at about 26 deg.C by shaking culture for 2-10 days.
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