Abstract
The article presents Data on the content of biologically active compounds (BAC) and the total phenolic antioxidants activity (TPA) evaluated for leaves and inflorescences of Achillea millefolium, Anthemis tinctoria, Artemisia absinthium, A. dracunculus, Leucanthemum vulgare, Pyrethrum balsamita, P. macrophyllum, Tanacetum vulgare. The leaves and inflorescences of the plants contain flavonols, catechins, tannins, carotenoids, pectin substances. High content of phenolic compounds was found in Artemisia dracunculus and Achillea millefolium (352.34 – 398.99 mg/g of DW). The highest level of catechins was registered in inflorescences (8.01 mg/g) and leaves (4.58 mg/g) of Artemisia absinthium. The content of pectin substances in the studied plants was quite high, with the biggest share of protopectins (50.6 – 95.9 mg/g). The maximum quantity of pectins was found in the leaves and inflorescences of Leucanthemum vulgare (11.2-12.7 mg/g), protopectins – in the leaves of Tanacetum vulgare (95.9 mg/g). The highest content of carotenoids was found in the leaves of plants, except for Leucanthemum vulgare. The highest antioxidant activity was recorded for water-ethanol extracts from leaves of Achillea millefolium (up to 1.09 mg/g) and inflorescences of Artemisia dracunculus (0.94 mg/g) plants due to the increased content of phenolic compounds, in particular flavonols and tannins, compared to the other species.
Highlights
The Asteraceae family belongs to the largest family of flowering plants and contains more than 24.000 species belonging to 1.400 genera [1,2]
The purpose of this research was a comparative study of the content of biologically active compounds, and the total activity of phenolic antioxidants in leaves and inflorescences of Asteraceae plants, successfully introduced in CSBG SB RAS
Pectin substances were determined by a carbazole-free method based on obtaining specific yellow-orange staining of uronic acids with thymol in a sulfuric acid medium [8]
Summary
The Asteraceae family belongs to the largest family of flowering plants and contains more than 24.000 species belonging to 1.400 genera [1,2]. 1,800 species, distributed worldwide (extratropical), but with main concentrations in central Asia, the Mediterranean region, and southern Africa [2]. Members of the tribe are well known as aromatic plants, and some are utilized for their pharmaceutical and/or pesticide value. Three main classes of chemical substances are of considerable systematic significance: acetylenes, sesquiterpene lactones, and flavonoids [2]
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