Methods for treating coats and/or body odors of animals are provided. Foods and beverages for nonhuman animals that can be used in the methods are provided. Foods and beverages containing a sesamin-class compound(s) of 1 wt % or above and an additive acceptable as a food or beverage are provided. Methods for treating coats and/or body odors of nonhuman animals comprising administering to the nonhuman animals foods or beverages for nonhuman animals containing an effective amount of the sesamin-class compound(s) needed to treat the coats and/or the body odors of the nonhuman animals are provided. Preferably, the sesamin-class compound(s) are dissolved in fat or oil.
