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Cyclooxgenase Inhibitory Components from Portulaca oleracea  

Kim, Jeong-Ah (College of Pharmacy, Chungnam National University)
Yang, Seo-Young (College of Pharmacy, Chungnam National University)
Kang, Sang-Jin (Department of Applied Bioscience, CHA University)
Kim, Young-Ho (College of Pharmacy, Chungnam National University)
Publication Information
Natural Product Sciences / v.18, no.1, 2012 , pp. 22-25 More about this Journal
Abstract
Five triterpenoids, epifriedelanol (1), friedelin (2), lupeol (3), ${\beta}$-sitosterol (4), daucosterol (5), and one phenyl propanoids ester, trans-docosanoyl ferulate (6) were isolated from the whole parts of Portulaca oleracea. They were determined using a combination of spectroscopic analyses ($^1H-$, $^{13}C$-NMR, and MS data) and evaluated for their cyclooxygenase inhibitory activity. Compound 6 exhibited inhibitory effect with $IC_{50}$ values of $40.2{\mu}M$ and 1.6 mM on COX-1 and COX-2 activities, respectively.
Keywords
Portulaca oleracea; cyclooxygenase inhibitory activity; trans-docosanoyl ferulate;
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