Abstract Insecticidal alkaloid,(−)-canadine was isolated under bioassay guide of Drosophila
melanogaster Meigen. from MeOH extract of tubers of Corydalis bulbosa. Insecticidal activity …

A MeOH extract of tubers of Corydalis bulbosa had insecticidal activity against larvae of
Drosophila melanogaster Meigen. Four protoberberine alkaloids,(−)-tetrahydroberberine …

Dimethyl malate (1) and 5-hydroxymethyl furfural (2) were isolated as insecticidal
compounds by bioassay-guided fractionation from MeOH extract of the fruits of Cornus …

A bioassay‐guided fractionation of C ynanchum komarovii crude alkaloid extract led to the
isolation of two alkaloids. The isolated alkaloids were identified as 7‐demethoxytylophorine …

In the course of screening for novel naturally occurring insecticides from Chinese crude
drugs, MeOH extract of rhizomes of Nuphar japonicum DC. was found to give an insecticidal …

Abstract (−)-7-epi-Deoxynupharidine was isolated as an insecticidal alkaloid by bioassay-
guided fractionation from MeOH extract of rhizomes of Nuphar japonicum DC. Insecticidal …

Phytochemical investigation of Sophora secundiflora alkaloid fraction led to isolation of one
new quinolizidine alkaloid (1) 13-methoxyanagyrine together with six known ones (2–7) …

In the course of screening for novel naturally occurring insecticides from Chinese crude
drugs, the MeOH extract of the fruits of Evodia rutaecarpa Benth was found to give …

BACKGROUND Botanical pesticide plays an essential role in the control of agricultural
pests. Corydalis curviflora Maxim. is used as a cholagogue and larvicide in the rural areas of …

To study the insecticdal activity constituents from the twigs of traditional Chinese folk
medicine Mizilan or Shu-Lan (Aglaia odorata Lour.). Seperation and purification under …