Kinetic Study on the Free Radical-Scavenging and Vitamin E-Regenerating Actions of Caffeic Acid and Its Related Compounds

2006 ◽  
Vol 79 (10) ◽  
pp. 1501-1508 ◽  
Author(s):  
Keishi Ohara ◽  
Yoko Ichimura ◽  
Kumi Tsukamoto ◽  
Mayumi Ogata ◽  
Shin-ichi Nagaoka ◽  
...  
2006 ◽  
Vol 19 (11) ◽  
pp. 759-764 ◽  
Author(s):  
Eduardo Pino ◽  
Ana M. Campos ◽  
Camilo López-Alarcón ◽  
Alexis Aspée ◽  
Eduardo Lissi

1997 ◽  
Vol 52 (11-12) ◽  
pp. 828-833 ◽  
Author(s):  
Purusotam Basnet ◽  
Tetsuya Matsuno ◽  
Richard Neidlein

Abstract We evaluated free radical scavenging activity of the water, methanol and chloroform ex­tracts of propolis in 1,1-diphenyl-2-picrylhydrazyl (DPPH) free radical and xanthine-xanthine oxidase (XOD) generated superoxide anion assay systems. The free radical scavenging activity guided fractionation and chemical analysis led to the isolation of a new compound, propol {3-[4-hydroxy-3-(3-oxo-but-1-enyl)-phenyl]-acrylic acid) from the water extract, which was more potent than most common antioxidants such as vitamin C and vitamin E (α-tocopherol) in these assay systems.


2005 ◽  
Vol 78 (4) ◽  
pp. 615-621 ◽  
Author(s):  
Keishi Ohara ◽  
Wataru Mizukami ◽  
Aiko Tokunaga ◽  
Shin-ichi Nagaoka ◽  
Hidemitsu Uno ◽  
...  

1992 ◽  
Vol 29 (5) ◽  
pp. 699-701 ◽  
Author(s):  
A.S. Perumal ◽  
V.B. Gopal ◽  
W.K. Tordzro ◽  
T.B. Cooper ◽  
J.L. Cadet

1997 ◽  
Vol 101 (20) ◽  
pp. 3746-3753 ◽  
Author(s):  
Kazuo Mukai ◽  
Wataru Oka ◽  
Keiko Watanabe ◽  
Yoshifumi Egawa ◽  
Shin-ichi Nagaoka ◽  
...  

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