PROBLEM TO BE SOLVED: To provide a hardened oil flavor imparting agent capable of imparting a hardened oil flavor with sticky sweetness and rich taste to a fat product with a reduced usage of hardened oil.SOLUTION: The hardened oil flavor imparting agent includes (E)-6-octenal.COPYRIGHT: (C)2015,JPO&INPIT【課題】硬化油使用量を低減させた油脂製品において、ねっとりとした甘さとコクを感じさせる硬化油風味を付与できる硬化油風味付与剤を提供すること。【解決手段】(E)-6-オクテナールからなる硬化油風味付与剤。【選択図】 なし