WebA new pyridine alkaloid derivative named as 2-(6-benzyl-4-oxo-5-phenyl-1,4-dihydro pyridine-3-yl)-benzoic acid ethylester (3) has been prepared by the reaction of ninhydrin with 1,3-diphenylacetonep-tosylhydrazone and the structure has been established with the help of spectral analysis and X-ray analysis. WebTwo new oleanane-type triterpenoids (1–2), a new ursane-type triterpenoid (3), and a new podocarpane-type diterpenoid (4), together with 20 known compounds (5–24) were isolated from the stems of triterpenoids (1–2), a new ursane-type triterpenoid (3), and a new podocarpane-type diterpenoid (4), together with 20 known compounds (5–24) were
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WebApr 28, 2024 · The antioxidant capacity of maca has been considered to be the basis for other bioactivities, and revealing the active antioxidant compounds would help to elucidate a variety of bioactive compounds. In this study, the correlation between the antioxidant activity of maca and secondary metabolites, including ferric reducing antioxidant potential … WebFeb 28, 2024 · Tree tobacco ( N. glauca ) is similar in appearance but can grow to be a small tree and is found at low elevations of Arizona and California. Tobacco has large, … WebFor trigonelline, a quaternary-base pyridine alkaloid of presumed Alzheimer's disease-preventing activity, a method of determination has been proposed, based on the hydrophilic interaction chromatography (HILIC). That method might be applied to study the agent's bioavailability, ... bresler\\u0027s ice cream chicago