Abstract
IN our search for new antibiotics from fungi we have isolated a substance, S-52, a metabolic product of an unidentified Penicillium. From the results of paper-chromatographic investigations and from its other properties we believed the substance to be identical with citrinin. This has proved correct, since the infrared spectra of the pure substance S-52 and of an authentic sample of citrinin (kindly provided by Dr. P. W. Brian, Akers Research Laboratories, Welwyn, Herts) were identical.
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References
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KOVÁČ, Š., NEMEC, P., BETINA, V. et al. Chemical Structure of Citrinin. Nature 190, 1104–1105 (1961). https://doi.org/10.1038/1901104a0
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DOI: https://doi.org/10.1038/1901104a0
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