The present invention relates to a composition comprising an antibacterial or antioxidant function-enhanced Stichopus japonicus extract as an active component, and specifically, to a composition comprising an antibacterial or antioxidant function-enhanced Stichopus japonicus extract as an active component which is excellent in an antibacterial effect against food spoilage-causing microorganisms, is excellent in reducing power, and concentration dependently increases a DPPH radical scavenging ability and an ABTS radical scavenging ability such that the composition is excellent in an antioxidant effect. A composition according to the present invention comprises an antibacterial function-enhanced Stichopus japonicus extract as an active component. The composition comprising the Stichopus japonicus extract as the active component exhibits antibacterial activities against food spoilage-causing microorganisms.COPYRIGHT KIPO 2016본 발명은 항균 및 항산화 기능을 강화한 해삼추출물을 유효성분으로 하는 조성물에 관한 것으로서, 구체적으로는 식품부패유발미생물에 대한 항균효과가 뛰어나고, 환원력이 뛰어나며, DPPH radical 소거능 및 ABTS radical 소거능이 농도의존적으로 증가하여 항산화효과가 뛰어난 항균 및 항산화 기능을 강화한 해삼추출물을 유효성분으로 하는 조성물에 관한 것이다.