Isolation of a phytoalexin, trans-p-coumaryl aldehyde, from Cucurbita maxima, Cucurbitaceae

An induced antifungal compound, trans-p-coumaryl aldehyde, was isolated from fruit tissue of Cucurbita maxima which had been elicited with pectinase. Its chemical structure was identified by NMR and MS. This is the first report of a phytoalexin from a member of the Cucurbitaceae.