| abstract |
A compound represented by the formula (1); [Chemical formula 1] (Wherein, R 1 , R 2 and R 3 are independently hydrogen or methyl, X is an alkyl group having 1 to 4 carbon atoms, R 4 and R 5 are independently hydrogen or -CHO group, [Chemical formula 2] Is a single bond or a double bond. ) The flavor and fragrance composition containing the above has excellent odor and aroma persistence useful as a blended fragrance raw material. |