Abstract
IN the course of work on metabolic products of newly isolated moulds from soil, Penicillium aculeatumRaper and Fennell var. apiculatumAbe strain No. 2282 was found to produce a luteic acid-like substance of high viscosity1. The substance consisted of glucose polymerized by glucosidic linkage and malonic acid. As a result of periodate oxidation, almost all the glucosidic linkages of polysaccharide were of the β-1,6 type. Since the molecular weight of the polysaccharide calculated from a result of ultra-centrifugal method (1.6 × 106) was greater than that of luteose, which was first reported by H. Raistrick and M. L. Rintoul2, and consisted of 84 glucose units3, it was found that the polysaccharide preparation is lutease of higher molecular weight.
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References
Nakamura, N., Ooyama, J., and Tanabe, O., J. Agric. Chem. Soc. Japan, 35, 949 (1961).
Raistrick, H., and Rintoul, M. L., Trans. Roy. Soc., B, 220, 255 (1931).
Anderson, C. G., et al., Biochem. J., 33, 272 (1939).
Kobayashi, T., and Tabuchi, T., J. Agric. Chem. Soc. Japan, 28, 171 (1954).
Reese, E. T., Parrish, F. W., and Mandels, M., Canad. J. Microbiol., 7, 309 (1961).
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NAKAMURA, N., TANABE, O. β-D-1,6-Glucanase in Micro-organism. Nature 196, 774–775 (1962). https://doi.org/10.1038/196774a0
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DOI: https://doi.org/10.1038/196774a0
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