Abstract
The ethanolic extract of ripe fruits of Melia azedarach (Meliaceae) and its subfractions were tested against four insect species, portraying important agricultural pests. Five limonoids were isolated: two tirucallane type triterpenoids never isolated before from this species (21α-methylmelianodiol, 21β-ethylmelianodiol), as well as three ring C-seco limonoids previously reported on this tree (1-O-detigloyl-1-O-cinnamoylohchinolal, 1-O-detigloyl-1-O-benzoylohchinolal and ohchinolal). The complete NMR data of these natural products are reported here. Different patterns of activity were found among the products tested against the different pest models, emphasizing the value of testing potential biocontrol products against different insect targets.
Keywords: 21α-methylmelianodiol, 21α-ethylmelianodiol, 21β-ethylmelianodiol, Epilachna paenulata, Melia azedarach, Myzus persicae, Ohchinolal, Rhopalosiphum padi, Spodopteralittoralis, deterrent activity, insects
The Natural Products Journal
Title: Limonoids from Melia azedarach with Deterrent Activity against Insects
Volume: 2 Issue: 1
Author(s): Martina Diaz, Lucia Castillo, Carmen Elisa Diaz, Azucena Gonzalez-Coloma and Carmen Rossini
Affiliation:
Keywords: 21α-methylmelianodiol, 21α-ethylmelianodiol, 21β-ethylmelianodiol, Epilachna paenulata, Melia azedarach, Myzus persicae, Ohchinolal, Rhopalosiphum padi, Spodopteralittoralis, deterrent activity, insects
Abstract: The ethanolic extract of ripe fruits of Melia azedarach (Meliaceae) and its subfractions were tested against four insect species, portraying important agricultural pests. Five limonoids were isolated: two tirucallane type triterpenoids never isolated before from this species (21α-methylmelianodiol, 21β-ethylmelianodiol), as well as three ring C-seco limonoids previously reported on this tree (1-O-detigloyl-1-O-cinnamoylohchinolal, 1-O-detigloyl-1-O-benzoylohchinolal and ohchinolal). The complete NMR data of these natural products are reported here. Different patterns of activity were found among the products tested against the different pest models, emphasizing the value of testing potential biocontrol products against different insect targets.
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Cite this article as:
Diaz Martina, Castillo Lucia, Elisa Diaz Carmen, Gonzalez-Coloma Azucena and Rossini Carmen, Limonoids from Melia azedarach with Deterrent Activity against Insects, The Natural Products Journal 2012; 2 (1) . https://dx.doi.org/10.2174/2210315511202010036
DOI https://dx.doi.org/10.2174/2210315511202010036 |
Print ISSN 2210-3155 |
Publisher Name Bentham Science Publisher |
Online ISSN 2210-3163 |
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