Chemical and Ecological Interrelationship Between the Olive Tree and Olive Weevil. Part II. (-)-Olivil and (+)-1-Acetoxypinoresinol from the Olive Tree (Olea europaea LINNE; Oleaceae) as Feeding Stimulants of the Olive Weevil (Dyscerus perforatus).

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  • KADOWAKI Emiko
    <i>Graduate School of Natural Science and Technology, Okayama University</i>
  • YOSHIDA Yasuhiro
    <i>Nippon Olive Co., Ltd.</i>
  • NITODA Teruhiko
    <i>Graduate School of Natural Science and Technology, Okayama University</i>
  • BABA Naomichi
    <i>Department of Bioresources Chemistry, Faculty of Agriculture, Okayama University</i>
  • NAKAJIMA Shuhei
    <i>Department of Bioresources Chemistry, Faculty of Agriculture, Okayama University</i>

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  • (-)-Olivil and (+)-1-Acetoxypinoresinol from the Olive Tree(Olea europaea LINNE, Oleaceae) as Feeding Stimulants of the Olive Weevil(Dyscerus perforatus)
  • (−)-Olivil and (+)-1-Acetoxypinoresinol from the Olive Tree (<i>Olea europaea</i>L<scp>INNE</scp>; Oleaceae) as Feeding Stimulants of the Olive Weevil (<i>Dyscerus perforatus</i>)

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Abstract

  Guided by a feeding stimulant activity test on the olive weevil (Dyscerus perforatus), two compounds that showed potent feeding stimulant activity were isolated from the olive tree (Olea europaea). Based on their spectral data and a literature survey, they were identified as (−)-olivil (1) and (+)-1-acetoxypinoresinol (2). The activities of these minor lignans were significantly higher for the female than for the male weevil.<br>

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