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Rat lens aldose reductase inhibitory constituents of Nelumbo nucifera stamens
The methanol extract of the stamens of Nelumbo nucifera Gaertn was shown to exert an inhibitory effect on rat lens aldose reductase (RLAR), and thus was fractionated using several organic solvents, including dichloromethane, ethyl acetate and n‐butanol.
Isorhamnetin glycosides with free radical and ONOO− scavenging activities from the stamens ofNelumbo nucifera
Two new isorhamnetin glycosides are isolated from then-BuOH fraction of Nelumbo nucifera stamens, with marked antioxidant activities in the DPPH, and ONOO− assays.
Hypolipidemic effects of Sophora flavescens and its constituents in poloxamer 407-induced hyperlipidemic and cholesterol-fed rats.
Elevated TC, TG, and LDL-C levels in the poloxamer 407-induced hyperlipidemic and cholesterol-fed rats were significantly reduced after oral administration of the compounds, and HDL-C Levels had a significant increase.
Anti-inflammatory Activities of Coumarins Isolated from Angelica gigas Nakai on LPS-stimulated RAW 264.7 Cells
The ethanol extract and coumarin compounds of A. gigas Nakai hold promise for use as potential anti-inflammatory agents and effectively suppressed the expression levels of iNOS, IL-1β, and COX-2, which are responsible for promoting the inflammatory process.
Phenolic glycosides from the stem bark of Albizzia julibrissin.
From the stem bark of Albizzia julibrissin DURAZZ, two new phenolic glycosides (albibrissinosides A and B) were isolated and found to be a radical scavenger on the 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical.
Isolation and identification of fungi from a meju contaminated with aflatoxins.
Three strains from 56 isolates of the A. oryzae/flavus group were found to be aflatoxigenic A. flavus, by the presence of the aflatoxin biosynthesis genes and confirmatory a flatoxin production by high-performance liquid chromatography (HPLC).
Selective cholinesterase inhibitory activities of a new monoterpene diglycoside and other constituents from Nelumbo nucifera stamens.
N. nucifera stamens-derived compounds could potentially exert their primary anti-Alzheimer effects as AChE inhibitors rather than BACE1 inhibitors.
Kinetic analysis and enzyme concentration effect relevant to dependence of amylolysis of starch granules on specific surface area concentration
The kinetics and enzyme concentration effects on the amylolysis of rice, maize, and potato starch granules by porcine pancreatic α-amylase (PPA) were analyzed. The Km values of the native starches,