Phytochemical and pharmacological variability in Golden Thistle functional parts: comparative study of roots, stems, leaves and flowers
2017
Marmouzi, Ilias | El Karbane, Miloud | El Hamdani, Maha | Kharbach, Mourad | Naceiri Mrabti, Hanae | Alami, Rachid | Dahraoui, Souhail | El Jemli, Meryem | Ouzzif, Zhor | Cherrah, Yahia | Derraji, Soufiane | Faouzi, My El Abbes
Scolymus hispanicus or the Golden Thistle, locally known as ‘Guernina’ or ‘Taghediwt’, is one of the most appreciated wild vegetables in Morocco. This study aims to characterise the functional chemical and pharmacological variability of Scolymus hispanicus parts (roots, stems, leaves and flowers). The chemical analysis revealed higher content of α-tocopherol in the flowers (2.79 ± 0.07 mg/100 g) and lead to the identification of 3 flavonoids and 13 phenolic acids, with high content of gallic acid in leaves (187.01 ± 10.19 mg/kg); chlorogenic (936.18 ± 92.66 mg/kg) and caffeic (4400.14 ± 191.43 mg/kg) acids in flowers, roots were much more higher in sinapic acid (0.25 ± 0.03 mg/kg) compared to the other parts. Moreover, Scolymus hispanicus ethanolic extracts exhibited interesting antioxidant and antimicrobial properties, promising anti-amylase and anti-glucosidase activities and relevant diuretic effect that confirms its traditional uses.
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