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Publikationstyp: Zeitschriftenaufsatz
Dokumentart: Originalarbeit

Publikationsjahr: 2016

AutorInnen: Hajdari, A; Mustafa, B; Kaçiku, A; Mala, X; Lukas, B; Ibraliu, A; Stefkov, G; Novak, J

Titel: Chemical composition of the essential oil, total phenolics, total flavonoids and antioxidant activity of methanolic extracts of Satureja montana L.

Quelle: Records of Natural Products 2016; 10: 750-760

Autor/innen der Vetmeduni Vienna:

Novak Johannes

Beteiligte Vetmed-Organisationseinheiten
Institut für Tierernährung und funktionelle Pflanzenstoffe

Aerial parts of Satureja montana L. (Lamiaceae) were collected from seven growing wild populations (four populations in Kosovo, two in Albania and one in Montenegro) in 2013 with the aim of assessing the natural variation in the chemical composition of the essential oils, total flavonoids, total phenolics and the antioxidant activity of their methanolic extracts. Essential oils were obtained by steam distillation and analysed using GC-FID and GC-MS, whereas total flavonoids, total phenolics and antioxidant activities were determined using spectrophotometric methods. Sixty-one volatile constituents were identified. The main constituents were myrcene, p-cymene, gamma-terpinene, linalool, thymol, carvacrol and viridiflorol. Total phenolics ranged from 68.1 to 102.6 mg/g dry mass, the total flavonoid content ranged from 38.3 to 67.0 mg/g dm, and the antioxidant activity according to the DPPH assay ranged from 253.3 to 342.9 mg TE/g dm and according to the FRAP assay ranged from 8.9 to 11.4 mg TE/g dm. Hierarchical cluster analysis and principal component analyses were used to assess the geographical variations in the essential oil composition. Statistical analysis revealed that the analysed populations are grouped into four main clusters that appear to reflect the environmental impact on the chemical composition, which is influenced by differences in habitat composition, altitude and microclimatic conditions.

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