A - Papers appearing in refereed journals
Agarwal, M., Walia, S., Dhingra, S. and Khambay, B. P. S. 2001. Insect growth inhibition, antifeedant and antifungal activity of compounds isolated/derived from Zingiber officinale Roscoe (ginger) rhizomes. Pest Management Science. 57 (3), pp. 289-300. https://doi.org/10.1002/ps.263
Authors | Agarwal, M., Walia, S., Dhingra, S. and Khambay, B. P. S. |
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Abstract | Fresh rhizomes of Zingiber officinale (ginger), when subjected to steam distillation, yielded ginger oil in which curcumene was found to be the major constituent. The thermally labile zingiberene-rich fraction was obtained from its diethyl ether extract. Column chromatography of ginger oleoresin furnished a fraction from which [6]-gingerol was obtained by preparative TLC. Naturally occurring [6]-dehydroshogaol was synthesised following condensation of dehydrozingerone with hexanal, whereas zingerone and 3-hydroxy-1-(4-hydroxy-3-methoxyphenyl)butane were obtained by hydrogenation of dehydrozingerone with 10% Pd/C. The structures of the compounds were established by H-1 NMR, C-13 NMR and mass (EI-MS and ES-MS) spectral analysis. The test compounds exhibited moderate insect growth regulatory (IGR) and antifeedant activity against Spilosoma obliqua, and significant antifungal activity against Rhizoctonia solani. Among the various compounds, [6]dehydroshogaol exhibited maximum IGR activity (EC50 3.55 mg ml(-1)) while dehydrozingerone imparted maximum antifungal activity (EC50 86.49 mg litre(-1)). (C) 2001 Society of Chemical Industry. |
Keywords | Agronomy; Entomology |
Year of Publication | 2001 |
Journal | Pest Management Science |
Journal citation | 57 (3), pp. 289-300 |
Digital Object Identifier (DOI) | https://doi.org/10.1002/ps.263 |
PubMed ID | 11455660 |
Open access | Published as non-open access |
Funder project or code | 439 |
514 | |
ISSN | 1526498X |
Publisher | Wiley |
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