Abstract
IN September 1952 a preliminary communication was read at the Second International Congress for Fermentation Industries held at Ostend, in which we demonstrated the formation of methoxy-para-benzoquinone from an aqueous germ extract. The method used differs from that of Vuataz1 and of Cosgrove et al.2 in that we did not use any yeast but treated our germ extract with potassium iodate in acid medium. From this we concluded that the germ extract contains the precursor of methoxy-para-benzoquinone, and we mentioned the isolation of this precursor (X).
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References
Vuataz, L., Helv. Chim. Acta, 3, 433 (1950).
Cosgrove, D. J., et al., Nature, 169, 966 (1952).
Bungenberg de Jong, H. L., Symposium on Proteins; Ned. Chem. Ver., 174 (1938).
Bungenberg de Jong, H. L., Nordisk Cerealkemist-forenings Kongress, 240 (1946).
Neuberg, C., and Hofmann, E., Biochem. Z., 256, 450 (1932).
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BUNGENBERG de JONG, H., KLAAR, W. & VLIEGENTHART, J. A Precursor of Methoxy-para-benzoquinone in Wheat Germ. Nature 172, 402–403 (1953). https://doi.org/10.1038/172402a0
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DOI: https://doi.org/10.1038/172402a0
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