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Oldal 1 tól től 34 eredmények
[On the determination of the solanum alkaloide solanine and chaconine (author's transl)].
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A new analytical method for quantitative determination of solanine and chaconine in potato tubers, sprouts and leaves has been developed: a) The extraction with pyridine causes a careful isolation of glycoalkaloids; b) the glycoalkaloids are determined by gaschromatography after silylation.
α-Chaconine isolated from a Solanum tuberosum L. cv Jayoung suppresses lipopolysaccharide-induced pro-inflammatory mediators via AP-1 inactivation in RAW 264.7 macrophages and protects mice from endotoxin shock.
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In this study, we investigated the molecular mechanisms underlying the anti-inflammatory effects of α-chaconine in lipopolysaccharide (LPS)-induced RAW 264.7 macrophages and in LPS-induced septic mice. α-Chaconine inhibited the expressions of cyclooxygenase-2 (COX-2), interleukin-1β (IL-1β), IL-6,
Excretion of alpha-chaconine-3H, a steroidal glycoalkaloid from Solanum tuberosum L. and its metabolites in hamsters.
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Densitometric TLC analysis for the control of tropane and steroidal alkaloids in Lycium barbarum.
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Thin layer chromatographic methods for quantitative determination of nightshade-specific tropane (l-hyoscyamine, scopolamine) and steroidal alkaloids (α-solanine, α-chaconine) in goji berries (L. barbarum L., Solanaceae) were developed. The analysis of tropane derivatives included separation on
Comparison of commercial solid-phase extraction sorbents for the sample preparation of potato glycoalkaloids.
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In this study five different commercial sorbents C18, SCX, CN, Certify and Oasis HLB were compared for the solid-phase extraction of potato glycoalkaloids. The recoveries were determined using alpha-solanine, alpha-chaconine and alpha-tomatine, which contained dehydrotomatine as an impurity, as
Glycoalkaloids as biomarkers for recognition of cultivated, wild, and somatic hybrids of potato.
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Cultivated and wild potato species synthesize a wide variety of steroidal glycoalkaloids (GAs). During breeding programs, species genomes are often put together through either sexual or somatic hybridization. Therefore, the determination of the GA composition of hybrids is very important in that it
Plant Resistance to Colorado Potato Beetle (Coleoptera: Chrysomelidae) in Diploid F2 Families Derived From Crosses Between Cultivated and Wild Potato.
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Colorado potato beetle, Leptinotarsa decemlineata Say (Coleoptera: Chrysomelidae), is a serious global pest of potato, Solanum tuberosum L. Management of L. decemlineata has relied heavily on insecticides, but repeated evolution of insecticide resistance has motivated the exploration and development
Impact of ploidy change on secondary metabolites and photochemical efficiency in Solanum bulbocastanum.
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Plants are well known for producing a wide diversity of natural compounds and several strategies have been proposed to enhance their production. Among them, somatic chromosome doubling may represent an effective and inexpensive method. The objective of the current study was to investigate the effect
Allelic variation in genes contributing to glycoalkaloid biosynthesis in a diploid interspecific population of potato.
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CONCLUSIONS
Variation for allelic state within genes of both primary and secondary metabolism influences the quantity and quality of steroidal glycoalkaloids produced in potato leaves. Genetic factors associated with the biosynthesis and accumulation of steroidal glycoalkaloids (SGAs) in potato were
In vivo antimalarial activities of glycoalkaloids isolated from Solanaceae plants.
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BACKGROUND
Malaria is one of the most common and serious protozoan tropical diseases. Multi-drug resistance remains pervasive, necessitating the continuous development of new antimalarial agents.
OBJECTIVE
Many glycosides, such as triterpenoid saponins, were shown to have antimalarial activity
A comparison of PTI defense profiles induced in Solanum tuberosum by PAMP and non-PAMP elicitors shows distinct, elicitor-specific responses
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The induction of general plant defense responses following the perception of external elicitors is now regarded as the first level of the plant immune response. Depending on the involvement or not of these molecules in pathogenicity, this induction of defense is called either Pathogen-Associated
Modification of the health-promoting value of potato tubers field grown under drought stress: emphasis on dietary antioxidant and glycoalkaloid contents in five native andean cultivars (Solanum tuberosum L.).
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The effects of drought stress on dietary antioxidant and glycoalkaloid contents in potato tubers were investigated using a selection of five native Andean cultivars. Both freshly harvested and 4 month-stored tubers were analyzed. Responses to drought stress were highly cultivar-specific. The
Solanum tuberosum and Lycopersicon esculentum Leaf Extracts and Single Metabolites Affect Development and Reproduction of Drosophila melanogaster.
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Glycoalkaloids are secondary metabolites commonly found in Solanaceae plants. They have anti-bacterial, anti-fungal and insecticidal activities. In the present study we examine the effects of potato and tomato leaf extracts and their main components, the glycoalkaloids α-solanine, α-chaconine and
Inheritance of morphological characters and glycoalkaloids in potatoes of somatic hybrids between dihaploid Solanum acauleand tetraploid Solanum tuberosum.
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Steroidal glycoalkaloids occur in potatoes and are reported to impart resistance to phytopathogens including bacteria, fungi, and insects. Because glycoalkaloids can be passed to progenies during breeding programs designed to develop improved potatoes, it is of importance to determine the quality of
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
A legteljesebb gyógynövény-adatbázis, amelyet a tudomány támogat
- Működik 55 nyelven
- A tudomány által támogatott gyógynövényes kúrák
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Írjon be egy tünetet vagy betegséget, és olvassa el azokat a gyógynövényeket, amelyek segíthetnek, beírhat egy gyógynövényt, és megtekintheti azokat a betegségeket és tüneteket, amelyek ellen használják.
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