Abstract: Dracocephalum palmatum Stephan (Lamiaceae) is a medicinal plant used by the North-Yakutian nomads. From the crude ethanolic extract of the aerial parts of this plant, 23 compounds (phenylpropanoids, coumarins, flavonoids, and triterpenes) were isolated. Among these, eight compounds (salvianolic acid B, caftaric acid, cichoric acid, umbelliferone, aesculetin, apigenin-7-O-β-d-glucuronopyranoside, isorhoifolin, and luteolin-4'-O-β-d-glucopyranoside) were detected for the first time in the genus Dracocephalum. Their structures were elucidated based on chemical and spectral data. The levels of most of the compounds detected in the cultivated sample were close to that of the wild sample, indicating the reproducibility of the biologically active compounds of D. palmatum through cultivation. Investigation into the biological activity of D. palmatum under in vitro conditions demonstrated that its extracts have a strong antioxidant effect due to the presence of high concentrations of phenolic compounds.
Keywords: Dracocephalum palmatum Stephan; Lamiaceae; North-Yakutian nomads; flavonoids; phenylpropanoids; antioxidant activity
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Olennikov, D.N.; Chirikova, N.K.; Okhlopkova, Z.M.; Zulfugarov, I.S. Chemical Composition and Antioxidant Activity of Tánara Ótó (Dracocephalum palmatum Stephan), a Medicinal Plant Used by the North-Yakutian Nomads. Molecules 2013, 18, 14105-14121.
Olennikov DN, Chirikova NK, Okhlopkova ZM, Zulfugarov IS. Chemical Composition and Antioxidant Activity of Tánara Ótó (Dracocephalum palmatum Stephan), a Medicinal Plant Used by the North-Yakutian Nomads. Molecules. 2013; 18(11):14105-14121.
Olennikov, Daniil N.; Chirikova, Nadezhda K.; Okhlopkova, Zhanna M.; Zulfugarov, Ismayl S. 2013. "Chemical Composition and Antioxidant Activity of Tánara Ótó (Dracocephalum palmatum Stephan), a Medicinal Plant Used by the North-Yakutian Nomads." Molecules 18, no. 11: 14105-14121.