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NTIS 바로가기한국식품위생안전성학회지 = Journal of food hygiene and safety, v.31 no.5, 2016년, pp.356 - 364
박범수 (호서대학교 생명공학과) , 한세희 (호서대학교 생명공학과) , 이지연 (호서대학교 생명공학과) , 정영신 (호서대학교 생명공학과)
In vivo genotoxic potential of isoquercetin, a plant common flavonoid, in comparison with quercetin was investigated for the DNA breakage and the clastogenicity endpoints. Male ICR mice were administered by oral gavage for 3 days with
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핵심어 | 질문 | 논문에서 추출한 답변 |
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랫드(Wistar rats)를 사용하여 Isoquercetin의 안전성에 관한 13주 반복독성시험과 52주 반복독성시험을 진행한 결과, 식이 용량과 일일 허용량은 어떻게 되는가? | Isoquercetin의 안전성에 대하여는 2004년과 2010년에 랫드(Wistar rats)를 사용하여 수행한 13주 반복독성시험과 52주 반복독성시험 결과가 각각 보고 되었고, 이때 사용한 isoquercetin은 효소로 가수분해 시켜 생성한 isoquercetin으로 95% 순도에 물질이었다. 두 시험에서 isoquercetin에 NOAEL은 식이에 1% 용량으로 평가하였으며, isoquercetin으로는 542.4 mg/kg/day로 보고하였다. 일일 허용량(acceptable daily intake)로 환산하면 5.4 mg/kg/day로 산출되었다33,34). 유전독성시험결과로는 박테리아를 활용한 Ames test에서 양성결과(unpublished data)가 인용되었고34), 세포주 실험에서 SCE와 MN의 양성결과가 보고되었고28), isoquercetin을 다량 함유한 아티초크(Artichoke, Cynara Scolymus L. | |
플라보노이드는 무엇인가? | 플라보노이드(flavonoid)는 폴리페놀(polyphenol)의 일종으로 천연식물에 널리 분포되어 있으며 5000 종 이상의 플라보노이드 물질이 확인되었고, 대부분의 플라보노이드가 항산화력이 탁월하여 인체 및 동물실험에서 건강을 증진시키는 것으로 보고되고 있다1,2). Quercetin은 항산화력이 탁월한 플라보노이드 중 하나로 양파에 가장 많이 함유되어 있으며3,4), 신경보호기능(neuroprotective)5,6,7), 심장보호기능(cardioprotective)8,9,10), 혈관보호기능(blood vessel protective)11), 항염기능(anti-inflammatory)12,13,14), 항알러지(anti-allergic properties)15,16) 기능 등이 보고되었다. | |
Quercetin은 어떤 기능이 있는가? | 플라보노이드(flavonoid)는 폴리페놀(polyphenol)의 일종으로 천연식물에 널리 분포되어 있으며 5000 종 이상의 플라보노이드 물질이 확인되었고, 대부분의 플라보노이드가 항산화력이 탁월하여 인체 및 동물실험에서 건강을 증진시키는 것으로 보고되고 있다1,2). Quercetin은 항산화력이 탁월한 플라보노이드 중 하나로 양파에 가장 많이 함유되어 있으며3,4), 신경보호기능(neuroprotective)5,6,7), 심장보호기능(cardioprotective)8,9,10), 혈관보호기능(blood vessel protective)11), 항염기능(anti-inflammatory)12,13,14), 항알러지(anti-allergic properties)15,16) 기능 등이 보고되었다. Quercetin은 aglycone 보다는 배당체인 isoquercetin (quercetin-3-glucoside, 또는 O-3-glucoside-quercetin)이나 rutin (quercetin3-rutinoside, glucose-rhamnose의 2배당체) 으로 천연식물에 더 많이 분포되어 있으며2) 배당체에 따라서 생체 이용률(bioavailability)에 차이가 관찰되어1,17,18) 이들 생체이용률이 기능성 또는 안전성에 중요한 영향을 미칠 것으로 사료된다. |
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