The present invention relates to an antioxidant and anti-inflammatory composition and, more specifically, relates to an antioxidant and anti-inflammatory composition comprising a compound, 3-(3,4-dihydroxyphenyl)acrylic acid 1-(3,4-dihydroxyphenyl)-2-methoxycarbonylethyl ester, separated from Isodon excisus. The substance has antioxidant effects by inhibiting the production of free radicals, and represents anti-inflammatory effects by inhibiting the production of NO, thereby being used as a pharmaceutical composition, an agent for external application to the skin, a cosmetic composition, or a health food.COPYRIGHT KIPO 2016본 발명은 항산화 및 항염증 조성물에 관한 것으로서, 더욱 상세하게는 오리방풀에서 분리한 화합물 3-[3,4-dihydroxyphenyl]acrylic acid 1-[3,4-dihydroxyphenyl]-2-methoxycarbonylethyl ester를 함유하는 항산화 및 항염증 조성물에 관한 것이다. 상기 물질은 자유 라디칼 생성을 억제하여 항산화 효과를 가지며, 또한 NO 생성을 억제하여 항염증 효과를 나타냄으로써 약학적 조성물, 피부외용제, 화장료 조성물 또는 건강식품으로 사용 가능하다.