Reversible Inactivation of Aged Solutions of Indolyl-3-Acetic Acid

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Science  09 Dec 1966:
Vol. 154, Issue 3754, pp. 1327-1329
DOI: 10.1126/science.154.3754.1327


Aqueous solutions of indole-3-acetic acid are inactivated by standing for a variable period of time. Inactivation results from conversion by oxidation of the plant hormone to polymerized deuterauxin, which is depolymerized by boiling of the solution, which restores activity.