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Publisher: Altai State University
Journal: Khimiia rastitel'nogo syr'ia (Chemistry of plant raw material)
Languages: Russian
Types: Article
Subjects: Spiraea; antioxidant activity; flavonoids; oxycinnamic acid; catechins; tannins; saponins, Spiraea; антиоксидантная активность; флавонолы; оксикоричные кислоты; катехины; дубильные вещества; сапонины
Antioxidant activity of water and ethanol extracts of the leaves and inflorescences of the nine Russian Far East representatives of the genus Spiraea L.: S. ussuriensis subsp. ussuriensis Pojark., S. flexuosa Fisch.ex Cambess., S. media var. media Franz Schmidt., S. dahurica (Rupr.) Maxim., S. pubescens Turcz., S. beauverdiana Schneid., S. betulifolia Pall., S. salicifolia L., S. humilis Pojark. was investigated. The antioxidant activity of water extracts (0,16–2,79 mg/g) of leaves and inflorescences of the Spiraea higher than the water – alcohol extracts (0,06–2,54 mg/g). S. betulifolia (2,79 mg/g), S. beauverdiana (2,54 mg/g), S. humilis (0,82 mg/g), S. salicifolia (1,61 mg/g), S. pubescens (0,72 mg/g) and S. media var. media (0,59 mg/g) are perspective antioxidants among the Far Eastern species of the genus Spiraea. The greatest correlation antioxidant activity with oxycinnamic acids and flavonols was found. The content of hydroxycinnamic acids in the plant genus Spiraea reaches 1,2%, flavonols – 3,9%. Less correlation antioxidant activity with saponins and tannins and inverse correlation with catechins were found.
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