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. 2017 Jun;31(12):1446-1449.
doi: 10.1080/14786419.2016.1247080. Epub 2016 Oct 21.

Insecticidal Constituents from Buddlej aalbiflora Hemsl

Xiu-Yun Zhang  1   2 , Jing Shen  1 , Yu Zhou  1 , Zhi-Ping Wei  1 , Jin-Ming Gao  2
Affiliations

Insecticidal Constituents from Buddlej aalbiflora Hemsl

Xiu-Yun Zhang et al. Nat Prod Res. 2017 Jun.

Abstract

Eleven known compounds, deoxymikanolide (1), 1,3-dihydroxyxanthone (2), kumatakenin (3), apigenin (4), chrysin (5), kaempferol (6), Iso-kaempferol (7), luteolin (8), luteolin-3',4'-dimethylether-7-O-β-glucoside (9), luteolin-7-O-β-glucoside (10) and quercetin (11) were identified in MeOH extract of Buddleja albiflora Hemsl (Oleaceae). These compounds (each, 1, 0.5 and 0.25 mg mL-1) were tested for insecticidal activity against 3rd and 4th-instar larvae of Plutella xylostella, 3rd-instar larvae of Mythimna separata and 3rd-instar larvae of Macrosiphoniella sanborni. The lowest 50% anti-feedant concentration (AFC50) against P. xylostella and 50% lethal concentration (LC50) against P. xylostella and M. sanborni were observed as 0.0058, 0.0046 and 3.4048 mg L-1, respectively.

Keywords: Buddleja albiflora; Macrosiphoniella sanborni; Mythimna separata; Plutella xylostella; insecticidal activity; quercetin.

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