Multiple pharmacological approaches on hydroalcoholic extracts from different parts of Cynoglossum creticum Mill. (Boraginaceae)
2019
Menghini, Luigi | Ferrante, Claudio | Zengin, Gokhan | Mahomoodally, Mohamad Fawzi | Leporini, Lidia | Locatelli, Marcello | Cacciagrano, Francesco | Recinella, Lucia | Chiavaroli, Annalisa | Leone, Sheila | Brunetti, Luigi | Orlando, Giustino
Cynoglossum creticum Mill (Boraginaceae) is used traditionally as a remedy to manage several human ailments. In this context, the present study aimed to perform multiple pharmacological investigations on the hydroalcoholic extracts prepared from Cynoglossum roots and aerial parts (leaves and flowers). We evaluated the antioxidant and enzyme inhibitory (against cholinesterases, α-glucosidase, α-amylase, lipase and tyrosinase) activity of the extracts. The protective effect(s) of the extracts on cardiomyocyte C2C12 and intestinal HCT116 cell lines challenged with hydrogen peroxide (H₂O₂) was studied. We found that the aerial parts harbored the highest amount of phenolic compounds. Generally, aerial parts showed significant antioxidant and enzyme inhibitory effects. Leaves exhibited the best lipase inhibitory activity (173.15 mgOE/g extract), followed by flowers and roots. The root and aerial extracts were equally able to blunt intracellular H₂O₂ induced reactive oxygen species production from both C2C12 and HCT116 cell lines. Both cells lines could be treated with scalar concentrations of root and flower extracts in the range 50–300 μg/mL without interferences on cell viability. In conclusion, the present study showed protective effects exerted by Cynoglossum extracts, which could serve as a foundation for the development of pharmaceuticals and nutraceuticals derived from Cynoglossum.
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