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tomatidine/solanum
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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
[Studies on chemical differentiation in Solanum dulcamara. V. Isolation of tomatidine from roots of solasodine type].
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[15-Alpha-hydroxy-soladulcidine and 15-alpha-hydroxy-tomatidine, 2 new steroid alkaloids from Solanum dulcamara L].
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[Solanum-alkaloid-LXXXII. X-ray analysis of tomatidine hydroiodide. On the configuration of the (25S)-spirosolane at C-22].
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[Isolation of tomatidine from bittersweet nightshades].
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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
Mass Spectrometry Imaging of the Spatial and Temporal Localization of Alkaloids in Nightshades.
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Alkaloids are common secondary metabolites found also in plants of the large family of Solanaceae, and they contribute frequently to the economic importance of these plants as food, spices, drugs, or pharmaceuticals. Matrix-assisted laser desorption/ionization mass spectrometry imaging was applied
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
High-pressure liquid chromatography of steroidal alkaloids.
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High-pressure liquid chromatography was used to separate the following steroidal alkaloids: tomatidine, solanidine, solasodine, rubijervine, veratramine and jervine. The method was used to prepare crystalline solanidine from a crude mixture of aglycones obtained from Solanum chacoense, and to
The effect of some Solanum steroidal alkaloids and glycoalkaloids on larvae of the red flour beetle, Tribolium castaneum, and the tobacco hornworm, Manduca sexta.
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Evaluation of the inhibitory effect of a series of secondary plant compounds including steroidal alkaloids and glycoalkaloids on larvae of the red flour beetle, Tribolium castaneum, was investigated. Larval growth was inhibited on artificial diets containing 1 mumol g-1 diet of the glycoalkaloids
Influence of incorporated wild Solanum genomes on potato properties in terms of starch nanostructure and glycoalkaloid content.
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Interspecific somatic hybrids produced by protoplast fusion between two wild Solanum species (S. acaule, acl; S. brevidens, brd) and cultivated potato Solanum tuberosum (tbr) were analyzed in terms of the starch nanometer-range structure and glycoalkaloid (GA) contents. The crystallinity of starch
Interspecific hybridization between the cultivated potato Solanum tuberosum subspecies tuberosum L. and the wild species S. circaeifolium subsp. circaeifolium Bitter exhibiting resistance to Phytophthora infestans (Mont.) de Bary and Globodera pallida (Stone) Behrens : 2. Sexual hybrids.
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Crossability between the diploid species S. circaeifolium subsp. circaeifolium (crc) and other diploid species, primarily diploid S. tuberosum subsp. tuberosum (tbr-2x), was studied. Forty-seven hybrids were obtained from crosses between crc as female parent and tbr-2x and some other species from
Induction of terata in hamsters by solanidane alkaloids derived from Solanum tuberosum.
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The potential induction of terata by solanidanes has been of public health concern since a report in 1972 hypothesized that certain birth defects in humans could be attributed to ingestion of blighted potatoes. The potential teratogenicity of solanidane alkaloids from potatoes and tomatoes in
Spina bifida, exencephaly, and cranial bleb produced in hamsters by the solanum alkaloid solasodine.
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Solasodine, one of the spirosolone structured solanum alkaloids, was gavaged to hamsters at 1184 - 1628 mg/kg once on the 7th or 8th day of gestation. About one-third of all litters from surviving, pregnant dams had one or more deformed offspring. There were 50 abnormals among 727 offspring from 84
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