Metabolite profiling for caffeic acid oligomers in Satureja biflora

Moghadam, Sara E. and Ebrahimi, Samad N. and Gafner, Frank and Ochola, John B. and Marubu, Rose M. and Lwande, Wilber and Frei Haller, Barbara and Salehi, Peyman and Hamburger, Matthias. (2015) Metabolite profiling for caffeic acid oligomers in Satureja biflora. Industrial Crops and Products, 76. pp. 892-899.

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Satureja biflora, known as “lemon savory”, grows widely in Southern and Eastern parts of Africa. The plant has been used in Kenyan and Tanzanian traditional medicine as an antimicrobial, spasmolytic, diuretic, analgesic, and cicatrizing herb. Except for the composition of the essential oil no phytochemical data have been reported. Phytochemical profiling of the methanolic extract by a combination of chromatographic methods afforded nine phenolic compounds. Their structures were established by means of extensive 1D- and 2D-NMR, HRESI–MS, and electronic circular dichroism (ECD). One new and eight known natural products were isolated and identified, namely luteolin 7-O-β-d-glucuronide (1), 2″-caffeoyl-luteolin 7-O-β-d-glucuronide (2) rosmarinic acid (3), melitric acid A (4), methyl melitric acid A (5), clinopodic acid I (6), clinopodic acid K (7), clinopodic acid O (8) and clinopodic acid P (9). Quantitative analysis of compounds showed that S. biflora is a rich source of caffeic acid oligomers. Such compounds were also found in other Satureja species, but at significantly lower concentrations.
Faculties and Departments:05 Faculty of Science > Departement Pharmazeutische Wissenschaften > Ehemalige Einheiten Pharmazie > Pharmazeutische Biologie (Hamburger)
UniBasel Contributors:Hamburger, Matthias
Item Type:Article, refereed
Article Subtype:Research Article
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:28 Nov 2017 10:01
Deposited On:14 Jun 2016 07:22

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