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Isolation of 2-Aminoethanesulphinic Acid from a Mollusc

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Abstract

PAPER chromatographic analyses of extracts from Septifer (Mytilisepta) virgatus (Wiegmann) by means of the iodine–azide reaction1 showed the presence of an unusual sulphur compound, leading to its isolation. The isolate was identified as 2-aminoethanesulphinic acid. In 1951 Bergeret and Chatagner2 observed paper chromatographically that this compound was formed from cysteinesulphinic acid by the action of liver acetone powder. Furthermore, in 1953, Awapara and Wingo3 isolated 35S-2-aminoethanesulphinic acid and 35S-taurine from rat liver after injection of 35S-cysteine. 2-Aminoethanesulphinic acid, however, has never been reported to be isolated directly from organisms under natural conditions without administration of the precursors such as cysteinesulphinic acid, cysteine or cystine. We have found that every tissue of this Septifer contains this compound in considerable quantity.

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References

  1. Feigl, F., “Spot Tests”, 2, “Organic Applications” (translated by R. E. Oesper), 164 (1954).

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  2. Bergeret, B., and Chatagner, F., C.R. Acad. Sci., Paris, 232, 448 (1951); Biochim. et Biophys. Acta, 9, 141, 147 (1952).

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  3. Awapara, J., and Wingo, W. J., J. Biol. Chem., 203, 189 (1953).

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  4. Awapara, J., J. Biol. Chem., 203, 183 (1953).

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Authors and Affiliations

  1. Chemical Department, Faculty of Science, Kyushu University, Fukuoka, Japan

    SHIN'ICHI SHIBUYA & SHUNJI OUCHI

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  1. SHIN'ICHI SHIBUYA
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  2. SHUNJI OUCHI
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SHIBUYA, S., OUCHI, S. Isolation of 2-Aminoethanesulphinic Acid from a Mollusc. Nature 180, 549–550 (1957). https://doi.org/10.1038/180549b0

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