Correlation between the polyphenol content and antioxidant effect of Cynara scolymus L. mother tincture

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Article Title:	Correlation between the polyphenol content and antioxidant effect of Cynara scolymus L. mother tincture
Authors:	Claudia-Crina Toma, George Ciprian Pribac, Teodora Alina Neag, Ramona Flavia Câmpean, Neli-Kinga Olah
Affiliation:	“Vasile Goldiş” Western University of Arad, Romania Iris Research, Arad, Romania SC PlantExtrakt SRL, 407059 Rădaia, Jud. Cluj, Romania
Abstract:	Cynara scolymus L. has been used for many years as natural remedy for liver and biliary tract diseases. Romanian spontaneous flora also includes Cynara scolymus L. The aim of this study was to evaluate the polyphenol content and antioxidant activity of Cynara scolymus L. mother tincture. Using thin layer chromatography (TLC) and spectrophotometric methods was demonstrated that Cynara scolymus L. mother tincture has a relative high concentration in polyphenols, such as caffeoylquinic acids and flavonoids which are responsible of the significant antioxidant activity and detoxifying effects. The antioxidant activity was evaluated using DPPH method.
Keywords:	Cynara scolymus mother tincture, polyphenols, antioxidant activity, TLC, DPPH method
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*Correspondence:	Claudia-Crina Toma, Department of Pharmacognosy, Phytochemistry, Phytotherapy, Faculty of Medicine, Pharmacy and Dental Medicine, “Vasile Goldiş” Western University of Arad, 86 L.Rebreanu street, 310045 Arad, Romania