描述
4'-Methoxyacetophenone is trace constituent of oil of Piper longum (long pepper). It is found in cranberry (Vaccinium oxycoccus) and other fruits, tomato, anise (Pimpinella anisum), grilled and roasted beef and sherry. Propyl 3-methylbutanoate can be used as a flavouring ingredient and adjuvant; useful in vanilla, nut, tobacco and butter flavours.