Reports

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

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Science  06 Jan 1967:
Vol. 155, Issue 3758, pp. 88-89
DOI: 10.1126/science.155.3758.88

Abstract

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.