The present invention provides a masking agent and a Japanese-style-flavor enhancer containing seaweed oil as an active ingredient. According to this Japanese-style-flavor enhancer, the Japanese-style flavor of a food can be enhanced while the iodine content of the food is adjusted to, inter alia, less than the maximum tolerable amount for an infant having a low maximum amount. According to this masking agent, furthermore, the retort odor of the food can be minimized.本發明提供一種和風味強化劑及遮蔽劑，其係含有海藻油作為有效成分。只要利用本發明之和風味強化劑，可將食品中的碘含量調整成未達上限量低的嬰幼兒的容許上限量，同時可強化食品的和風味。另外，只要利用本發明之遮蔽劑，即可抑制食品的蒸煮臭(retort odor)。
