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nuciferine/lotus
Povezava se shrani v odložišče
Stran 1 iz 17 rezultatov
Application of activated glassy carbon electrode for the detection of nuciferine in lotus leaves.
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The electrochemical behavior of nuciferine has been studied for the first time. Nuciferine is irreversibly oxidized at high potentials, resulting in the formation of orthoquinone. The amount of the obtained orthoquinone is pH-dependent, and it demonstrates quasi-reversible electrochemical behavior
[Optimal extraction of nuciferine and flavone from lotus leaf based on central composite design and response surface methodology].
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OBJECTIVE
To optimize the process of extracting effective constituents from lotus leaf.
METHODS
Independent variables were ethanol concentration reflux time and solvent fold, dependent variables were extraction rates of nuciferine and flavone in lotus leaf, central composite design and response
Coregulation of Biosynthetic Genes and Transcription Factors for Aporphine-Type Alkaloid Production in Wounded Lotus Provides Insight into the Biosynthetic Pathway of Nuciferine.
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Lotus (Nelumbo nucifera Gaertn.) contains various bioactive compounds, with benzylisoquinoline alkaloids (BIAs) as one of the major groups. The biosynthetic pathways of two major bioactive BIAs in this plant, nuciferine and N-nornuciferine, are still not clear. Therefore, several genes
Pharmacokinetics, tissue distribution, bioavailability, and excretion of nuciferine, an alkaloid from lotus, in rats by LC/MS/MS.
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OBJECTIVE
In order to characterize the pharmacokinetics, tissue distribution, bioavailability, and excretion of nuciferine, a reliable gradient LC/MS/MS-based method was developed and validated.
METHODS
Sprague-Dawley rats were intravenously injected with a bolus of nuciferine (0.2 mg/kg) and orally
Application of ionic liquids based microwave-assisted extraction of three alkaloids N-nornuciferine, O-nornuciferine, and nuciferine from lotus leaf.
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The application of ionic liquids based microwave-assisted extraction (ILMAE) was successfully developed for extracting three alkaloids N-nornuciferine, O-nornuciferine, and nuciferine from lotus leaf. Seven kinds of 1-alkyl-3-methylimidazolium with different cations and anions were investigated in
Isolation and purification of alkaloids from lotus leaves by ionic-liquid-modified high-speed countercurrent chromatography.
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An effective high-speed countercurrent chromatography method was successfully established by using ionic liquids as the modifier of the two-phase solvent system. Adding a small amount of ionic liquids significantly shortens the separation time and improves the separation efficiency. The conditions
The Blue Lotus Flower (Nymphea caerulea) Resin Used in a New Type of Electronic Cigarette, the Re-Buildable Dripping Atomizer.
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The blue lotus flower (Nymphea caerulea) is an Egyptian water lily containing apomorphine and nuciferine. Apomorphine has been described as a psychoactive alkaloid and is a non-selective dopamine agonist primarily used to treat Parkinson's disease as it stimulates dopamine receptors and improves
LC/MS guided isolation of alkaloids from lotus leaves by pH-zone-refining counter-current chromatography.
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The traditional methods used in natural product separation primarily target the major components and the minor components may thus be lost during the separation procedure. Consequently, it's necessary to develop efficient methods for the preparative separation and purification of relatively minor
Human Ether-à-go-go Related Gene (hERG) Channel Blocking Aporphine Alkaloids from Lotus Leaves and Their Quantitative Analysis in Dietary Weight Loss Supplements.
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Blockage of the human ether-à-go-go related gene (hERG) channel can result in life-threatening ventricular tachyarrhythmia. In an in vitro screening of herbal materials for hERG blockers using an automated two-microelectrode voltage clamp assay on Xenopus oocytes, an alkaloid fraction of Nelumbo
Hemostatic action of lotus leaf charcoal is probably due to transformation of flavonol aglycons from flavonol glucosides in traditional Chinses medicine.
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[Overall intestinal permeability of multiple components in lotus leaf by in situ single pass intestinal perfusion models].
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To investigate the overall intestinal permeability of multiple components in lotus leaves and make clear the interaction in composition absorption process. Rat single-pass intestinal perfusion technique was used, and the results showed that the Peff values of nuciferine, demethylanuciferine, rutin,
[Overall intestinal permeability of multiple components in lotus leaves].
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In the study of biopharmaceutics classification system of Chinese materia medica (CMMBCS), the interactions of multiple components in the absorption should be taken into consideration in simultaneous multi-component determination. To investigate the absorption of multiple components, the in vitro
Identification and characterization of potent CYP2D6 inhibitors in lotus leaves.
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BACKGROUND
The herb of lotus (Nelumbo nucifera) leaves is a commonly used traditional Chinese herbal medicine that is utilized for the treatment of sunstroke, to assuage thirst, and to cure both diarrhea and fever in China. Modern pharmacological studies have demonstrated that the herb exhibits
Analysis of alkaloids in Lotus (Nelumbo nucifera Gaertn.) leaves by non-aqueous capillary electrophoresis using ultraviolet and mass spectrometric detection.
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Lotus leaves are a popular remedy in Asia to treat obesity, insomnia and mental impairment; alkaloids are considered most relevant for bioactivity. In this study the first CE method for the determination of all major alkaloids ((-)-nuciferine, (-)-nornuciferine, (-)-caaverine, (-)-armepavine,
Quantitative Determination of Alkaloids in Lotus Flower (Flower Buds of Nelumbo nucifera) and Their Melanogenesis Inhibitory Activity.
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A quantitative analytical method for five aporphine alkaloids, nuciferine (1), nornuciferine (2), N-methylasimilobine (3), asimilobine (4), and pronuciferine (5), and five benzylisoquinoline alkaloids, armepavine (6), norarmepavine (7), N-methylcoclaurine (8), coclaurine (9), and norjuziphine (10),
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