diploknema/saponin

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Triterpenoid saponins from Madhuca butyracea.

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Further investigation of the seeds of Madhuca butyracea yielded two new triterpenoid saponins, namely butyrosides C and D whose structures were established by means of chemical and spectral analyses as 3-O-beta-D-glucuronopyranosyl protobassic acid 28-O-alpha-L-rhamnopyranosyl(1-->3)-beta-D-

Triterpenoidal saponins from Madhuca butyracea.

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Two new triterpenoidal saponins, butyrosides A and B, were isolated from the seeds of Madhuca butyracea, along with two known saponins, Mi-saponin A and 16 alpha-hydroxy Mi-saponin A. On the basis of chemical and spectroscopic evidence, the structures of butyrosides A and B were established to be

Oral toxicity of Madhuca butyracea Macb. saponins to albino rats.

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Saponins, isolated from M. butyracea, were assessed for their acute and subacute oral toxicity in albino rats. Acute doses of saponins caused mortalities and LD50 and LD90 values were 330 and 430 mg/kg body wt respectively. Severe diarrhoea, restlessness and histopathological changes were observed

Antifungal activity and mode of action of saponins from Madhuca butyracea Macb.

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The antifungal activity of saponins isolated as a byproduct from the defatted cake of M. butyracea oil seed is reported. The inhibitory concentrations against plant pathogenic fungi ranged from 500 to 2000 ppm. Maximum sensitivity to saponins was shown by Penicillium expansum. Cephalosporium

Structure-biological activity relationships in triterpenic saponins: the relative activity of protobassic acid and its derivatives against plant pathogenic fungi.

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BACKGROUND Triterpenic saponins from Sapindus mukorossi Gaertn. and Diploknema butyracea JF Gmelin were evaluated for in vitro antifungal activity against four phytopathogenic fungi. The study of the structure-antifungal activity relationships of protobassic acid saponins was widened by including

Screening for feeding deterrent and insect growth regulatory activity of triterpenic saponins from Diploknema butyracea and Sapindus mukorossi.

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Antifeeding and insect growth regulatory effects of saponins and its hydrolyzed products from Diploknema butyracea and Sapindus mukorossi on the insect pest Spodoptera litura (F.) were investigated in the laboratory. D. butyracea saponins as well as their hydrolyzed prosapogenins were found to be

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