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Alkamides from Artemisia dracunculus.

B Saadali1, D Boriky, M Blaghen

  • 1Laboratoire de Chimie Analytique et Structurale, associé au CNRSTP, Faculté des Sciences, Ben M'Sik BP7960, Casablanca, Morocco.

Phytochemistry
|December 4, 2001
PubMed
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Researchers isolated new alkamides, neopellitorine A and B, and herniarine from Artemisia dracunculus. These compounds demonstrated insecticidal activity against common stored-product pests.

Area of Science:

  • Natural Product Chemistry
  • Organic Chemistry
  • Entomology

Background:

  • Artemisia dracunculus, commonly known as tarragon, is a plant species with a history of traditional uses.
  • The chemical constituents of Artemisia species are known to possess diverse biological activities.
  • Insect pests of stored products cause significant agricultural and economic losses worldwide.

Purpose of the Study:

  • To isolate and characterize chemical compounds from the aerial parts of Artemisia dracunculus.
  • To evaluate the insecticidal potential of the isolated compounds against key agricultural pests.

Main Methods:

  • Phytochemical investigation involving extraction and isolation techniques.
  • Structure elucidation using spectroscopic methods including UV, IR, MS, 1H NMR, and 13C NMR.

Related Experiment Videos

  • Bioassays to determine insecticidal activity against Sitophilus oryzae and Rhyzopertha dominica.

    • Main Results:

    • Isolation of one known alkamide (pellitorine), two new alkamides (neopellitorine A and neopellitorine B), and one known coumarin (herniarine).
    • Complete structural determination of the new compounds through comprehensive spectroscopic analysis.
    • Significant insecticidal activity observed for the isolated compounds against Sitophilus oryzae and Rhyzopertha dominica at a concentration of 200 microg/ml.

    Conclusions:

    • Artemisia dracunculus is a source of novel alkamides with potential insecticidal properties.
    • Neopellitorine A, neopellitorine B, and herniarine represent promising natural products for pest control strategies.
    • Further research into the mechanism of action and application of these compounds is warranted.