PURPOSE: A novel Pediococcus pentosacues sp. microorganism is provided to ensure polysaccharide production, immunity enhancement, anticancer(breast cancer, lung cancer), anti-hypertension, and antibacterial activity. CONSTITUTION: A Pediococcus pentosacues MJK7(deposit number: KACC91505P) has a polysaccharide production ability. A composition for enhancing immunity contains Pediococcus pentosacues MJK7 or culture thereof. A functional health food for suppressing cancer cell proliferation contains Pediococcus pentosacues MJK7 or culture thereof. A pharmaceutical composition for cancer cell proliferation contains Pediococcus pentosacues MJK7 or culture thereof. A medium for culturing Pediococcus pentosacues MJK7 contains carbon source, nitrogen source, vitamin, and mineral.본 발명은 신규한 페디오코커스 속 미생물에 관한 것으로서 본 발명의 균주는 다당(polysaccharide)생성, 면역증강, 항암(유방암, 폐암), 항고혈압, 항균활성을 나타내기 때문에, 우수한 발효식품 스타터 뿐만 아니라, 면역증강제, 식품첨가제, 생균제 등 건강기능소재 및 발효제품의 제조에 다양하게 이용될 수 있다.
