title: Comparative analysis of the total quantity of flavonoids in domestic and imported raw material of stevia
abstract: Relevance. Standardization of plant raw material derived from stevia is a topical issue, since this plant (Stevia rebaudiana Bertoni) contains sweet diterpene glycosides and is used as a natural sugar substitute. In addition, stevia contains flavonoids which are biologically active compounds that exert antioxidant, anti-inflammatory and capillary-strengthening properties. Currently, spectrophotometric methods are used to identify and quantify flavonoids in medicinal plants. They are fast, conven
journal: Aspirantskiy Vestnik Povolzhiya