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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2014.1
- 수록면
- 449 - 455 (7page)
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초록· 키워드
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Bioassay-guided isolation of an aqueous ethanolic extract from the unripe fruits of Malus pumila cv. Fuji using matrix metalloproteinase-1 (MMP-1) inhibition and type-1 procollagen inducing assays led to isolation of eight phenolic compounds, reynoutrin (1), quercitrin (2), isoquercitrin (3), phloridzin (4), phloretin-2'-O-xyloglucoside (5), 5-O-p-courmaroylquinic acid (6), chlorogenic acid methyl ester (7), and chlorogenic acid (8). The structures were established on the basis of nuclear magnetic resonance and mass spectroscopic data interpretations. All isolates were evaluated for their inhibitory effects on MMP-1, and compounds 1, 2, and 6 exhibited potent inhibitory effects on MMP-1 with $IC_{50}$ values of $1.3{\pm}0.1$, $1.4{\pm}0.1$, and $3.2{\pm}0.6{\mu}M$, respectively. When evaluated for their effects on type I procollagen synthesis on human fibroblast cells, compounds 1 and 3 were respectively found to display potent activity for induction of type-1 procollagen by 78.5 and 78.6% at the tested concentration of 12.5 M.
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