Two new coumarins from Zanthoxylum dimorphophyllum spinifolium and their feeding deterrent activities against Tribolium castaneum

Zanthoxylum species and volatile oils have shown to have insect resistance. The present work was conducted to find alternative botanical source with significant activity on storage pests control. Chemical examination of Zanthoxylum dimorphophyllum Hemsl. var. spinifolium Rehder et E. H. Wilson stem bark has led to fifteen coumarins, which including two were novel compounds named...