Plant species C. majus, which is a very rich source of secondary metabolites, was used to obtain extracts, using a conventional extraction technique. For the extraction of bioactive molecules, three solvents were used: ethyl acetate, methanol and water, which differ from each other based on their polarity. The obtained extracts were examined in terms of chemical composition, antioxidant, enzyme inhibitory activity, and cytotoxic effects. The research results indicate that methanol was a better and more efficient extractant in the process of isolating bioactive compounds than ethyl acetate and water. The chemical composition of this solvent, i.e. its polarity, contributed the most to the extraction of alkaloids and flavonoids. The high content of total phenolic compounds in the methanol extract, as well as individual alkaloids, caused a very strong antioxidant activity, as well as a strong inhibitory power when it comes to inhibiting the excessive activity of cholinesterase and tyrosinase. Methanol and ethyl acetate extracts achieved very good cytotoxic activity against cancerous cells HGC-27 and HT-29 and did not exert a toxic effect on non-cancerous cell lines (HEK293). Extracts of plant species C. majus, especially methanol extract could be characterized as a very good starting plant material for the formulation of products intended for various branches of the food and pharmaceutical industry.
Keywords: Biological potential; C. majus; Chemical composition; Solvent extraction.
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