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Screening of Panamanian plant extracts for pesticidal properties, and HPLC-based identification of active compounds
Journal
Scientia Pharmaceutica
Volume
83
Number
2
Pages / Article-Number
353-67
Abstract
A library of 600 taxonomically diverse Panamanian plant extracts was screened for fungicidal, insecticidal, and herbicidal activities. A total of 19 active extracts were submitted to HPLC-based activity profiling, and extracts of Bocconia frutescens, Miconia affinis, Myrcia splendens, Combretum aff. laxum, and Erythroxylum macrophyllum were selected for the isolation of compounds. Chelerythrine (2), macarpine (3), dihydrosanguinarine (5), and arjunolic acid (8) showed moderate-to-good fungicidal activity. Myricetin-3-O-(6 ''-O-galloyl)-beta-galactopyranoside (13) showed moderate insecticidal activity, but no compound with herbicidal activity was identified.
