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The steroidal constituents of Solanum pseudomeum L.

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Abstract

The unripe fruits ofSolanum pseudomeum were found to contain two glyco-alkaloids, identified as solamargine and solasonine. The glyco-alkaloids fraction afforded after hydrolysis one steroidal alkaloid, identified as solasodine. The neutral glycoside fraction, gave after hydrolysis a steroid sapogenin: chlorogenin. Three phytosterols were isolated from the unsaponifiable matter of the lipid fraction, identified as β-sitosterol, campesterol and stigmasterol.

Zusammenfassung

Man fand, daß die unreifen Früchte vonSolanum pseudomeum zwei Glyco-Alkaloide, nämlich Solamargin und Solasonin, enthalten. Die Fraktion der Glyco-Alkaloide ergab nach der Hydrolyse ein Steroid-Alkaloid, dieses wurde als Solasodin identifiziert. Die neutrale Glykosid-Fraktion ergab nach der Hydrolyse das Steroid-Sapogenin Chlorogenin. Die Auftrennung des unverseifbaren Anteils der Lipid-Fraktion ergab drei Phytosterine, die als β-Sitosterin, Campesterin und Stigmasterin identifiziert wurden.

Résumé

Les fruits verts (non mûrs) duSolanum pseudomeum, contiennent deux glycoalcaloides, identifiés comme suit: solamargine et solasonine. Un alcaloide stéroidique a été obtenu par hydrolyse de la fraction glyco-alcaloides; et identifié comme suit: solasodine. La fraction glycosidique neutre, a donné après hydrolyse un sapogenin stéroidique chlorogenin. Trois phytosterols ont été isolés de la masse non-saponifiable de la fraction lipide et identifiés comme suit; β-sitosterol, campesterol et stigmasterol.

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Authors and Affiliations

  1. Pharmaceutical Science Laboratory, National Research Centre, Cairo, Egypt

    M. Saleh & S. S. Ahmed

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  1. M. Saleh
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  2. S. S. Ahmed
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Saleh, M., Ahmed, S.S. The steroidal constituents of Solanum pseudomeum L.. Plant Food Hum Nutr 22, 133–136 (1973). https://doi.org/10.1007/BF01100680

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