solanidine/solanum

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Use of ion-pairing reversed-phase liquid chromatography in separation of solanidine and solasodine.

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A method based on ion-pairing reversed-phase liquid chromatography was developed to separate and quantify the total alkaloid content inS. ptycanthum (eastern black nightshade). The method is shown to separate satisfactorily the aglycones and some of the glycoalkaloids. The mobile phase used was

Solanidine isolation from Solanum tuberosum by centrifugal partition chromatography.

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The aim of this investigation was the preparative isolation of solanidine (aglycone of the two main potato glycoalkaloids: α-chaconine and α-solanine) from fresh Solanum tuberosum (cv. Pompadour) material by implementing a new preparation scheme using centrifugal partition chromatography (CPC). A

Solanidine hydrolytic extraction and separation from the potato (Solanum tuberosum L.) vines by using solid-liquid-liquid systems.

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Solanidine is a steroidal aglycon of potato (Solanum tuberosum L.) glycoalkaloids and a very important precursor for the synthesis of hormones and some pharmacologically active compounds. Glycoalkaloids are hydrolyzed by mineral acid, yielding solanidine. This paper deals with the kinetics of

Determination of solanidine- and tomatidine-type glycoalkaloid aglycons by gas Chromatography/Mass spectrometry.

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A combined derivatization method for gas chromatographic/mass spectrometric (GC/MS) analysis of steroidal glycoalkaloid (SGA) aglycons was developed using both trimethylsilylation and pentafluoropropionylation. In comparison with underivatized or only silylated aglycons, the new technique produces

Liquid-liquid systems for acid hydrolysis of glycoalkaloids from Solanum tuberosum L. tuber sprouts and solanidine extraction.

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BACKGROUND Potato sprouts (Solanum tuberosum L.) contain steroidal glycoalkaloids containing solanidine, an important precursor for hormone synthesis. Glycoalkaloids are reported to inactivate the Herpes simplex, Herpes zoster and Herpes genitalis viruses in humans, while Aglyones, including

Isolation and chemoenzymatic treatment of glycoalkaloids from green, sprouting and rotting Solanum tuberosum potatoes for solanidine recovery.

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The estimation of glycoalkaloids in the flesh of different types of decayed potatoes was evaluated. The results showed that turned green and also sprouting or rotting potato flesh contain high amounts of toxic solanine and chaconine, exceeding by 2-5-fold the recommended limit, and ranging from

[Solanum alkaloids. LIV. Synthesis of solanidine and 22-iso-solanidine from tomatid-5-ene-3-beta-ol].

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Effects of auxins on the production of steroidal alkaloids in rapidly proliferating tissue and cell cultures of Solanum lyratum.

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BACKGROUND Solanum lyratum, a rare species, is used to treat cancer, tumours and warts. Plant cell and tissue culture of S. lyratum, producing steroidal alkaloids, could be useful supplements to natural sources. OBJECTIVE To study the production of solanine, solanidine and solasodine by adding

Electromyographic and laboratory findings in acute Solanum torvum poisoning.

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BACKGROUND Solanum torvum berries, known as susumber or turkey berries, are prepared as part of traditional Jamaican dishes usually served with cod and rice. Poisoning is rare. Although toxic compounds have never been definitively isolated, previous reports suggest toxicity results from inhibition

Pathology in hamsters administered Solanum plant species that contain steroidal alkaloids.

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Syrian hamsters were orally administered ground plant material from either Solanum sarrachoides, S. melongena, S. eleagnifolium, or S. dulcamara. Six of eight hamsters administered S. eleagnifolium and eight of 10 hamsters administered S. dulcamara died following administration of plant material and

Non-aqueous capillary electrophoresis with diode array and electrospray mass spectrometric detection for the analysis of selected steroidal alkaloids in plant extracts.

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Nonaqueous capillary electrophoresis coupled to UV detection is described for the separation and determination of steroidal alkaloids. After optimization of electrophoretic parameters, including the electrolyte nature and the organic solvent composition, a reliable separation of solasodine and

Spirosolane-containing Solanum species and induction of congenital craniofacial malformations.

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Comparison by GC analysis of purified alkaloid extracts of Solanum species revealed no measurable free solasodine, other spirosolanes, or any non-spirosolane steroidal alkaloid aglycones in unhydrolyzed total alkaloid fractions of fruit of Solanum elaeagnifolium Cav. (silverleaf nightshade), Solanum

Growth and alkaloid production along with expression profiles of biosynthetic pathway genes in two contrasting morphotypes of prickly and prickleless Solanum viarum Dunal.

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Growth and production kinetics of three important glycoalkaloids viz. α-solanine, solanidine, and solasodine in two contrasting prickly and prickleless plants of Solanum viarum Dunal were evaluated under in vitro conditions. The prickleless plants showed improved accumulation of total glycoalkaloid

A novel glucosyltransferase involved in steroid saponin biosynthesis in Solanum aculeatissimum.

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Steroidal saponins are widely distributed in many plant species. Their diverse structures have resulted in a wide range of applications, including drug and medicine production. It has been suggested that the nature of the non-saccharide and oligosaccharide portions of the saponin molecule both

Glycoalkaloid aglycone accumulations associated with infection by Clavibacter michiganensis ssp. sepedonicus in potato species Solanum acaule and Solanum tuberosum and their interspecific somatic hybrids.

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Solanum acaule Bitt., a wild potato species, is closely related to cultivated potato (Solanum. tuberosum L.). Incorporation of desirable traits from allotetraploid [2n=4x=48, 2 endosperm balance number (EBN)] S. acaule (acl) into autotetraploid (2n=4x=48, 4EBN) S. tuberosum (tbr) is difficult due to

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