| abstract |
Provided are a safe and highly practical composition having an exercise-like action, a muscle strengthening agent containing the composition, an HDL cholesterol raising agent, and an animal feed. A composition having a motion-like action obtained by heat-treating resveratrol under alkaline conditions. A muscle strengthening agent, an HDL cholesterol raising agent, and an animal feed containing the composition. A composition having the motion-like action, comprising three types of resveratrol derivatives represented by the following formula: [Selection figure] None |