A new peroxy fatty acid, tagetnoic acid () [4-((3,6)-6-((3,8)-octadeca-3,8-dien-1-yl)-3,6-dihydro-1,2-dioxin-3-yl)butanoic acid] and four known metabolites: ecliptal (5-formyl--terthiophene) (), 5-(4-hydroxybut-1-ynyl)-2,2'-bithiophene (), 22,23-dihydrospinasterone (), and stigmasterol () were separated from the -hexane fraction of the aerial parts of L. (Asteraceae). Their chemical structures were verified using IR, UV, 2D and 1D NMR, and HRMS. Compounds displayed potent lipoxygenase inhibitory potential with ICs 2.26, 1.83, and 1.17 μM, respectively compared to indomethacin (IC 0.89 μM). Moreover, molecular docking study revealed that the potent activity of is due to H-bonding and hydrophobic interaction. The results of this study suggested that dietary consumption would be useful for the individuals at risk of acute and chronic inflammatory disorders.
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http://dx.doi.org/10.1080/14786419.2018.1488712 | DOI Listing |
Nat Prod Res
February 2020
Department of Pharmaceutical Chemistry, Faculty of Pharmacy, King Abdulaziz University, Jeddah, Saudi Arabia.
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