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Science 6 January 1967:
Vol. 155. no. 3758, pp. 88 - 89
DOI: 10.1126/science.155.3758.88
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Articles

D-Gluconic Acid: Isolation from the Defensive Secretion of the Cockroach Eurycotis decipiens

George P. Dateo 1 and Louis M. Roth 1

1 Pioneering Research Division, U.S. Army Natick Laboratories, Natick, Massachusetts

The major water-soluble constituent of the defensive secretion of Eurycotis decipiens was identified as gluconic acid, isolated in the form of calcium D-gluconate. The acid, in equilibrium with its lactones, is present in unusually high concentration.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)