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NTIS 바로가기大韓化粧品學會誌 = Journal of the society of cosmetic scientists of Korea, v.44 no.4, 2018년, pp.465 - 475
정용운 (건국대학교 의료생명대학 바이오융합과학부) , 이환 (건국대학교 의료생명대학 바이오융합과학부) , 박하늬 (건국대학교 의료생명대학 바이오융합과학부) , 김경민 (주식회사 아미코스메틱 제주연구소) , 김수영 (주식회사 아미코스메틱 제주연구소) , 박영진 (건국대학교 의료생명대학 바이오융합과학부)
This study was carried out to evaluate the antioxidant, anti-inflammation, and tyrosinase inhibitory activity of Melissa officinalis extracts and their fractions. The total polyphenol contents of the extracts were 33.02-302.76 mg GAE/g and total flavonoid contents were 9.98-325.07 mg CE/g. In 1,1-di...
핵심어 | 질문 | 논문에서 추출한 답변 |
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레몬밤은 무엇인가? | 레몬밤(Labiate, Melissa officinalis)은 레몬 향과 맛을 지닌 향긋하고 다소 매운 맛을 지닌 식물이며, geranial (citral a), neral (citral b), citronellal, linalool, geraniol 및 β-caryophyllene oxide 등의 에센셜 오일과 rosmarinic acid, 페놀산, 테르펜 및 caffeic acid 등의 플라보노이드가 많은 것으로 보고되었다[19]. 최근의 연구 결과에 따르면 레몬밤은 항불안, 항우울, 인지 기능 향상, 알츠하이머 완화 및 면역 증진 효과도 보고되었다[19-23]. | |
멜라닌 과다 생성은 어떤 문제를 일으키는가? | 멜라닌세포의 melanosome에서 합성되는 멜라닌은 tyrosinase가 tyrosine을 L-DOPA (L-3,4-dihydroxyphenylalanine)로, 또는 L-DOPA를 L-DOPA quinone으로 전환하는 산화 및 중합 반응에 의해 합성이 유도된다[12,13]. 이러한 멜라닌은 자외선으로부터 피부를 보호하는 역할을 하지만 과도한 멜라닌의 생성은 기미, 주근깨, 검버섯과 같은 피부의 색소 침착을 일으키고 과도하게 생성된 피오멜라닌은 피부암을 유발할 가능성이 있다고 보고되었다[14]. 따라서 건강한 피부와 미용적인 측면에서 피부 미백에 관한 관심이 증대되고 있는 실정이며, tyrosinase 및 멜라닌 생합성 억제 활성을 가지는 새로운 소재를 발굴하고자 하는 연구가 활발히 진행되고 있다[15-18]. | |
레몬밤 용매별 추출물 및 분획물에 대해 IL-6 및 TNF-α 생성 억제 영향을 평가한 이유는 무엇인가? | 7 세포의 IL-6 및 TNF-α 생성에 미치는 영향 평가는 NO생성 억제능이 가장 우수한 레몬밤 100% 에탄올 정치추출물의 클로로폼 분획물을 사용하여 평가하였다(Figure 4). 염증반응을 촉진하는 매개체 중 IL-6 및 TNF-α 등은 면역세포의 염증반응 조절 및 선천 면역반응과 만성염증반응에 관여하는 중요한 인자로 알려져 있다[33]. 우선 LPS 처리에 의해 RAW 264. |
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