Solve the problems, such as: providing fragrance precursor is excellent storage stability, it is especially with good stability, in product water, and allow long-term sustained release fragrance, and the method for preparing it, perfuming method, using the spice composition and including the fibre finish, cosmetics, cosmetic hair, detergent include spice composition.SOLUTION: fragrance precursor includes that a kind of fragrance of ester has phenol structure or a hydroxy-4-pyrone structures, and aliphatic monocarboxylic acid has 8 or more and 18 or less carbon atom.COPYRIGHT:(C) 2015, JPO& INPIT