<；P>；PROBLEM TO BE SOLVED: To obtain a new composition that exhibits endurance enhancement and anti-fatigue effect and has high safety. <；P>；SOLUTION: The composition having an endurance enhancement action and/or anti-fatigue action characterized by containing cryptoxanthin and/or its ester body or the composition having an endurance enhancement action and/or anti-fatigue action characterized by containing flavonoid and/or its derivative is obtained by adding a pectinase enzyme agent for food processing and a cellulase or hemicellulase enzyme agent to a residue after squeezing a fruit juice from Citrus unshiu Markovich, carrying out a reaction, centrifuging the reaction solution, removing a supernatant liquid, stirring the centrifuged solution with water, recentrifuging the stirred solution to remove a supernatant liquid and drying the resulting material. <；P>；COPYRIGHT: (C)2008,JPO&INPIT
