Abstract: An acetic acid-containing food or drink comprising 0.02 w/v % or more of acetic acid and at least one aromatic component selected from the group consisting of isobutanal (component A), butanal (component B), 2-methylbutanal (component C), pentanal (component D), isobutyl acetate (component E), and butyl acetate (component F), the total content of the aromatic component being 0.1 ppb or more.

Abstract: The present invention aims to provide a composition for protecting a muscle damage having high safety and a stronger muscle damage-protecting effect. The present invention provides a composition for protecting a muscle damage comprising, as an active ingredient, an extract with a lipid-soluble organic solvent of an acetic acid bacterium or preferably an extract with ethyl acetate of an acetic acid bacterium, alkali-stable lipid of an acetic acid bacterium, N-acylsphinganine, sphinganine, amino lipids, or terpenoid compounds. Further, the present invention provides a composition for protecting a muscle damage comprising, as an active ingredient, an extract with a lipid-soluble organic solvent of a vinegar or preferably an extract with ethyl acetate of a vinegar.