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The structure–activity relationship of flavonoids as scavengers of peroxynitrite
Peroxynitrite was scavenged by the presence of various flavonoids, whose structures seem to be closely related to the degree of scavenging, and was postulated to be governed by the position of the hydroxyl group.
Inhibitory activity of flavonoids fromPrunus davidiana and other flavonoids on total ROS and hydroxyl radical generation
It is found that the inhibitory activity on total ROS generation increases in strength with more numerous hydroxyl groups on their structures, and the structure-inhibitory activity relationship of flavonoids ontotal ROS and OH generation is clarified.
A new kaempferol 7-O-triglucoside from the leaves ofBrassica juncea L
This compound was found to be a scavenger of 1,1-diphenyl-2-picrylhydrazyl radical and was characterized as kaempferol 7-0-β-D-glucopyranosyl-(1→3)-[β-O-triglucoside- glucopy-ranoside (1) based on the spectroscopic evidences.
Functional Biological Activity of Hot Water and Ethanol Extracts from Taraxaci Herba
This study was conducted to investigate the functional biological effects of hot water and ethanol extracts from Taraxacum mongolicum (TM). Then, the hot water and ethanol extracts of TM were
Antioxidant activity from the stem bark ofAlbizzia julibrissin
Results show the possible antioxidant activity of the Albizzia julibrissin crude extract and its major constituents, which exhibited strong antioxidant activity in the tested model systems.
Antioxidant and Antidiabetic Effects of Various Sections of Astragalus membranaceus
− The antioxidant and anti-diabetes effects were evaluated by the ethanol extracts from Astragalus membranaceus root classified by years using through DPPH radical scavenging activity, hydroxyl
Antioxidative and Biological Activity of Hot Water and Ethanol Extracts from Phellinus linteus
To investigate the applicability of hot water extract (PLW) and ethanol extract (PLE) from Phellinus linteus as functional food and cosmeceutical materials, its total flavonoids content, total
Kaempferol glycosides with antioxidant activity from Brassica juncea
Antioxidant activities were determined by measuring the scavenging activities on 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical and peroxynitrite (ONOO−).
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.