No (nitric oxide, also called nitrogen monoxide) production promoter, enhancer of instantaneous force in muscles of lower extremity, and reducer of muscle damage associated with intensive exercise

Abstract

A method of promoting NO-production in a human being includes providing an extract of Kenyan purple tea (scientific name: Camellia sinensis ; variety name: TRFK306) containing 1,2-di-O-galloyl-4,6-O-(S)-hexahydroxydiphenoyl-β-D-glucose (GHG). Then, an effective amount of the purple tea extract is administered to a body of a human being in need of NO-production promotion.

1 . A method of promoting NO-production in a human being, comprising:
 a) providing an extract of Kenyan purple tea (scientific name:  Camellia sinensis ; variety name: TRFK306) containing 1,2-di-O-galloyl-4,6-O-(S)-hexahydroxydiphenoyl-β-D-glucose (hereinafter referred to as OHO); and   (b) administering an effective amount of the purple-tea extract to a body of a human being in need of NO-production promotion.   
     
     
         2 . A method of promoting NO-production in a human being according to  claim 1 , wherein the Kenyan purple tea extract contains 3 to 10% by mass of GHG. 
     
     
         3 . A method for improving muscle-instantaneous force in lower extremity muscles of human beings, comprising:
 a) providing an extract of Kenyan purple tea (scientific name:  Camellia sinensis ; variety name: TRFK306) containing 1,2-di-O-galloyl-4,6-O-(S)-hexahydroxydiphenoyl-β-D-glucose (hereinafter referred to as OHO); and   (b) administering an effective amount of the purple-tea extract to a human being (at least prior to the human being engaging in lower extremity exercises) to improve the instantaneous force in the lower-extremity muscles of the human being.   
     
     
         4 . A method for improving muscle-instantaneous force in lower extremity muscles of human beings according to  claim 3 , wherein the Kenyan purple tea extract contains 3 to 10% by mass of GHG. 
     
     
         5 . A method for reducing muscle damage in a human being, comprising:
 a) providing an extract of Kenyan purple tea (scientific name:  Camellia sinensis ; variety name: TRFK306) containing 1,2-di-O-galloyl-4,6-O-(S)-hexahydroxydiphenoyl-β-D-glucose (hereinafter referred to as OHO); and   (b) administering an effective amount of the purple-tea extract to a human being at least prior to the human being engaging in intensive exercises to reduce muscle damage associated with the intensive exercise of the human being.   
     
     
         6 . A method for reducing muscle damage in a human being according to  claim 5 , wherein the Kenyan purple tea extract contains 3 to 10% by mass of GHG.