1. Laboratorio di Chimica Farmaco, Istituto Superiore di Sanita, Rome, Italy;2. Centro per la Chimica dei Recettori e delle Molecole Biologimente Attive del CNR, Università Cattolica del S. Cuore, via Pineta Sacchetti 644, Rome, Italy
Abstract:
Free p-hydroxybenzaldehyde is present in seedlings previously heated to inactivate hydrolytic enzymes and in chloroform extracts of the surface. It is also present in epicuticular wax removed from plants by mechanical means.