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NTIS 바로가기생명과학회지 = Journal of life science, v.20 no.11 = no.127, 2010년, pp.1683 - 1690
김수연 (연세대학교 생활과학대학 식품영양과학연구소) , 김순영 (연세대학교 생활과학대학 식품영양학과) , 정은정 (강남대학교 교양학부) , 윤선 (연세대학교 생활과학대학 식품영양학과) , 박정화 (연세대학교 생활과학대학 식품영양과학연구소)
There is an increasing interest in the potential of isoflavone in reducing the risk of cardiovascular disease and cancer, however, although several effects of isoflavone as a component of soy protein are well established, the hypolipidemic and antioxidant effects of purified isoflavone are still con...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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이소플라본이 간 대사에 영향을 줄 때 몸에는 어떤 변화가 생기는가? | 이소플라본이 콜레스테롤을 저하시키고, 혈관벽을 보호함으로써 동맥경화와 관상동맥심장질환을 예방하는 다양한 기전이 보고되었다. 이소플라본은 간 대사에 영향을 주어 담즙산 분비를 증가시며, LDL receptor 활성을 증가하여 LDL 콜레스테롤 농도가 감소되며 또한, 대두 단백질은 갑상선 호르몬을 증가시켜 체내 대사를 활발하게 하고, 콜레스테롤 흡수를 방해함으로써 콜레스테롤을 감소시킨다[35]. 다른 기전으로는 tyrosine kinase inhibitor로 작용하여 동맥경화로 진행되는 경로를 차단하고[41], LDL 콜레스테롤 크기를 감소시켜 과산화 물질로부터 보호함으로써 산화를 방지하여 동맥경화로의 발전 경로를 차단하며 smooth muscle cells의 migration과 proliferation을 차단하고, 혈소판이 활성화되어 응집되는 반응을 억제함으로써 심혈관 질환을 예방한다고 보고하였다[44]. | |
대두에서 주로 발견되는 이소플라본이 체내에 흡수될 때 어떤 형태로 전환되는가? | 대두에서 주로 발견되는 이소플라본은 불활성인glycosides 형태(genistin, daidzin)로 존재하지만 체내 흡수 시에는 장에 있는 -glucosidase에 의해 활성형인 aglycones 형태(genistein, daidzein)로 전환되며. 에스트로겐과 유사 구조를 보이는 aglycone 형태는 에스트로겐 수용체와 상호작용하여 질병 예방효과가 있는 것으로 알려졌다[8]. | |
이소플라본이 심혈관 질환을 예방하는 과정 중 콜레스테롤을 감소시키는 것과 다른 기전은? | 이소플라본은 간 대사에 영향을 주어 담즙산 분비를 증가시며, LDL receptor 활성을 증가하여 LDL 콜레스테롤 농도가 감소되며 또한, 대두 단백질은 갑상선 호르몬을 증가시켜 체내 대사를 활발하게 하고, 콜레스테롤 흡수를 방해함으로써 콜레스테롤을 감소시킨다[35]. 다른 기전으로는 tyrosine kinase inhibitor로 작용하여 동맥경화로 진행되는 경로를 차단하고[41], LDL 콜레스테롤 크기를 감소시켜 과산화 물질로부터 보호함으로써 산화를 방지하여 동맥경화로의 발전 경로를 차단하며 smooth muscle cells의 migration과 proliferation을 차단하고, 혈소판이 활성화되어 응집되는 반응을 억제함으로써 심혈관 질환을 예방한다고 보고하였다[44]. |
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