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International Letters of Chemistry, Physics and Astronomy
Volume 14

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Chemical Constituents and Insecticidal Activity of Senna italica Mill. from the Sudan

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Abstract:

The chemical constituents and insecticidal activity of the pods of Senna italica (Caesalpiniaceae, Fabaceae) were investigated. From the chloroform extract of pods, physcion, chrysophanol, chrysophanol-10,10′-bianthrone, chrysophanol-physcion bianthrone and chrysophanol-isophyscion bianthrone, were isolated and characterized using different spectral methods. The GC-MS of the n-hexane extract revealed that the major chemical constituents of the oil were 2,6,-di-sec-butylphenol (36.69 %), di-n-octylphthalate (12.06 %), eicosane (5.46 %), tetratriacontane (4.87 %) and 2,2'-methylenebis[6-(1,1-dimethyl)-4-methylphenol (4.18 %). The n-hexane extract showed potent insecticidal activity (100 %) against Callosbruchus analis F. This study suggests that S. italica pods cannot be a source of sennosides but for other bioactive compounds.

Info:

Periodical:
International Letters of Chemistry, Physics and Astronomy (Volume 14)
Pages:
146-151
DOI:
10.18052/www.scipress.com/ILCPA.14.146
Citation:
S. Yagi et al., "Chemical Constituents and Insecticidal Activity of Senna italica Mill. from the Sudan", International Letters of Chemistry, Physics and Astronomy, Vol. 14, pp. 146-151, 2013
Online since:
Sep 2013
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