Monitoring of Radical Scavenging Activity of Peroral Administration of the Kampo Medicine Sho-saiko-to in Rats | Zendy

Toru Egashira | Zendy; Fusako Takayama | Zendy; Yasumitsu Yamanaka | Zendy; Yasuhiro Komatsu | Zendy

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Monitoring of Radical Scavenging Activity of Peroral Administration of the Kampo Medicine Sho-saiko-to in Rats

Author(s) -

Toru Egashira,

Fusako Takayama,

Yasumitsu Yamanaka,

Yasuhiro Komatsu

Publication year - 1999

Publication title -

the japanese journal of pharmacology

Language(s) - English

Resource type - Journals

eISSN - 1347-3506

pISSN - 0021-5198

DOI - 10.1254/jjp.80.379

Subject(s) - kampo , radical , scavenging , chemistry , dpph , antioxidant , superoxide , medicine , organic chemistry , enzyme , alternative medicine , pathology

The Kampo medicine Sho-saiko-to scavenged superoxide anion radicals (O2-), hydroxyl radicals (*OH) and 1,1-diphenyl-2-picrylhydrazyl (DPPH) radicals in a dose-dependent fashion. We attempted to investigate the transition of free radical scavenging activity in plasma after oral administration of Sho-saiko-to in rats. From the response-time profile, kinetic parameters including values for Ka (absorption rate constant), Tmax (peak concentration time), T1/2 (half life) and MRT (mean residence time) of radical scavenging activity in plasma could be calculated for the O2-, *OH and DPPH radicals. These parameters calculated from the dynamics of antioxidation are considered a very meaningful procedure to examine the effects of Sho-saiko-to.

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