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NTIS 바로가기목재공학 = Journal of the Korean wood science and technology, v.45 no.5, 2017년, pp.495 - 510
김선홍 (서울대학교 농업생명과학연구원) , 이수연 (국립산림과학원 임산공학부 화학미생물과) , 조성민 (서울대학교 농업생명과학대학 산림과학부) , 홍창영 (국립산림과학원 임산공학부 화학미생물과) , 박세영 (서울대학교 농업생명과학대학 산림과학부) , 박미진 (국립산림과학원 임산공학부 화학미생물과) , 최인규 (서울대학교 농업생명과학연구원)
This study was to investigate the antioxidant activities of Cryptomeria japonica leaves extracts such as essential oil, methanol extract and hot water extract and to evaluate its potential as a natural antioxidant. Antioxidant activities of extracts were evaluated by DPPH radical scavenging activity...
핵심어 | 질문 | 논문에서 추출한 답변 |
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피부 노화를 가속화하는 주원인이며 체내 항산화효소에 의해 제거되는 것은? | 인체는 산소와 자외선에 노출됨에 따라 체내에 활성산소를 생성하여 산화 스트레스를 받는다(Park, 2003). 활성산소는 주름생성, 멜라닌 생성 촉진 등의 피부 노화를 가속화하는 주원인으로 알려져 있으며, 체내 항산화효소에 의해 제거된다. 그러나 산소와 자외선의 지속적 노출로 인하여 산화 스트레스에 관한 보호망이 점차 파괴되고, 잔존하는 자유라디칼이 점차적으로 증가함에 따라 생체조직이 손상되고 노화가 촉진된다(Fantone & Ward, 1982). | |
삼나무는 무엇인가? | 삼나무는 조림 및 방풍림으로 주로 우리나라 남부지방 및 제주도에 식생하는 수종이다. 하지만 삼나무의 화분 알레르기가 알려짐에 따라 삼나무 벌채 및 이용방안에 관심이 높아짐에 따라 제주도 산림조합에서 삼나무 이용방안 국가 과제를 진행하였고,아모레퍼시픽에서 삼나무 추출물을 이용한 화장품을 개발하는 등 삼나무를 이용한 사례가 늘고 있다. | |
동⋅식물유래 추출물은 어떤 성분을 함유하고 있는가? | 천연 항산화제로는 동⋅식물유래 추출물을 예로 들 수 있다. 추출물은 다양한 방향족화합물, 폴리페놀 화합물 등을 함유하고 있기 때문에 항산화 활성이 높다고 보고되었다(Chen et al., 1996, Mira et al. |
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