Luteolin 7-O-glucoside in hozuki leaves, Physalis alkekengi, is involved in feeding stimulation in Epilachna vigintioctopunctata

Masatoshi Hori, Yuko Araki, Wataru Sugeno, Yoshitaka Usai, Kazuhiro Matsuda

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

Hozuki, Physalis alkekengi, is one of the host plants of the twenty eight-spotted ladybird, Epilachna vigintioctopunctata. We investigated feeding stimulants for E. vigintioctopunctata in hozuki leaves. The methanol extract of hozuki leaves and its chloroform-soluble fraction stimulated feeding of the adult beetle. Although the butanol-soluble and water-soluble fractions were inactive by themselves, the butanol-soluble fraction or the deposit formed during concentration of this fraction acted synergistically with the water-soluble fraction. The deposit was identified as luteolin 7-O-glucoside. This compound is considered to be one of the factors in hozuki that induce feeding in E. vigintioctopunctata.

Original languageEnglish
Pages (from-to)251-254
Number of pages4
JournalJapanese Journal of Applied Entomology and Zoology
Volume49
Issue number4
DOIs
Publication statusPublished - 2005

Keywords

  • Epilachna vigintioctopunctata
  • Feeding stimulant
  • Host selection
  • Luteolin 7-O-glucoside
  • Physalis alkekengi

ASJC Scopus subject areas

  • Insect Science

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