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NTIS 바로가기大韓化粧品學會誌 = Journal of the society of cosmetic scientists of Korea, v.38 no.2, 2012년, pp.103 - 118
조나래 (서울과학기술대학교 정밀화학과 나노바이오화장품연구실 화장품종합기술연구소) , 구현아 (서울과학기술대학교 정밀화학과 나노바이오화장품연구실 화장품종합기술연구소) , 박수아 (서울과학기술대학교 정밀화학과 나노바이오화장품연구실 화장품종합기술연구소) , 한샛별 (서울과학기술대학교 정밀화학과 나노바이오화장품연구실 화장품종합기술연구소) , 박수남 (서울과학기술대학교 정밀화학과 나노바이오화장품연구실 화장품종합기술연구소)
In this study, the cellular protective effect of isoquercitrin against
핵심어 | 질문 | 논문에서 추출한 답변 |
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활성산소종이 피부에 과도하게 생성되면 무엇이 파괴되고 붕괴되는가? | 1O2 및 ⋅OH 외에도 피부에서 생성되고 피부노화에서 중요한 역할을 하는 활성산소로는 O2∙-, H2O2, ⋅OR 및 ⋅OOR 등이 알려져 있다. 이들 활성산소종이 과도하게 생성되면 피부에 존재하는 효소 및 비효소적 항산화제가 파괴되고 이어 피부 항산화방어망이 붕괴된다. 이러한 산화적 스트레스가 계속되면 세포 및 조직이 손상되고 결과적으로 탄력감소, 주름 및 멜라닌 생성과 같은 피부노화가 가속화된다. | |
피부에서 활성산소종이 생성될 수 있는 이유는? | 이러한 변화는 내인성 노화 과정에서도 나타나지만 광노화에 있어서는 주로 자외선에 의한 피부에서의 반응으로 나타난다[1]. 특히 피부는 신체의 최외각층에 존재하기 때문에 항상 산소와 접촉하고 있고 또한 자외선에 쉽게 노출되어 피부에서는 활성산소종(reactive oxygen species, ROS)이 생성될 수 있다. 활성산소는 피부노화의 주요한 원인 물질로 작용한다. | |
각질층으로 알려진 피부장벽은 어떤 긍정적, 부정적 역햘을 하는가? | 이 중 표피의 가장 바깥쪽에는 각질층으로 알려진 피부장벽이 존재한다. 이는 외부의 자극으로부터 피부 및 신체를 보호하는 중요한 역할을 하는 반면 활성 성분의 피부흡수에 있어 장애요인으로 작용한다. 따라서 피부노화의 지연 및 방지를 위한 효율적인 방안으로써 항산화제를 효과적으로 피부에 침투시키기 위한 방안이 필요하다. |
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