PROBLEM TO BE SOLVED: To mainly provide a new anti-mutagenic agent that can inhibit activity of a mutagenic substance causing cancer.SOLUTION: The new anti-mutagenic agent contains an extract of Hericium erinaceum as an active substance, and has a superior inhibitory action on a mutagenic substance. There are also provided a food additive and a cosmetic additive which are produced from the anti-mutagenic agent.COPYRIGHT: (C)2013,JPO&INPIT【課題】本発明の主な目的は、癌の原因となる変異原性物質の活性を抑制できる新規な抗変異原性剤を提供することである。【解決手段】ヤマブシダケ(Hericium erinaceum)の抽出物を有効成分とする、変異原性物質に対する優れた抑制作用を有する新規な抗変異原性剤、並びに該抗変異原性剤からなる食品添加剤、化粧品添加剤に関する。【選択図】図1