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In vitro antioxidant capacity and phytochemical characterization of Eryngium kotschyi Boiss.

Article published in Journal of Pharmacy & Pharmacognosy Research 8(1): 18-31, 2020.

Leyla Paşayeva1*, Esra Köngül Şafak1, Tunahan Arıgün1, Hanifa Fatullayev2, Osman Tugay3

1Department of Pharmacognosy, Faculty of Pharmacy, Erciyes University, Turkey.2Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Erciyes University, Turkey.3Department of Pharmaceutical Botany, Faculty of Pharmacy, Selçuk University, Turkey.*E-mail:


ContextEryngium kotschyi is one of the species of Eryngium genus and was endemic to Turkey. It was known, that traditionally uses of this plant in the South-Western part of Turkey for the treatment of various diseases.

Aims: To evaluate the antioxidant capacities of methanol extract and ethyl acetate, n-butanol and water sub-extracts as well as to determine the phytochemical composition and to quantify the major antioxidant compounds in the active sub-extract.

Methods: Besides the total phenolic compounds and total flavonoid compounds, the antioxidant capacity of E. kotschyi was evaluated by DPPH, ABTS+● and FRAP methods and qualitative and quantitative determination of phytochemical constituents in active sub-extract by LC-MS/MS.

Results: The highest total phenolic (173.710 ± 1.088 mg gallic acid equivalent/gextract) and total flavonoid content (86.978 ± 0.650 mg catechin equivalent/gextract) was found in ethyl acetate sub-extract of E. kotschyi (EKE) and this sub-extract showed the highest antioxidant capacity on DPPH (IC50 = 0.264 ± 0.040 mg/mL), ABTS+● (at a concentration of 0.125 mg/mL equivalent to 0.497 µM Trolox) and FRAP (at a concentration of 1 mg/mL equivalent to 1476 ± 5.292 mmol Fe2+) tests. Preliminary examination of the mass spectrums revealed the presence of 24 phytochemical compounds in this sub-extract and 7 of them was quantified. According to quantitative analyses the main compounds of EKE sub-extract were rosmarinic acid (490.820 ± 0.703 µg/mgextract), chlorogenic acid (80.405 ± 0.170 µg/mgextract), isorhamnetin 3-O-rutinoside (72.280 ± 0.33 µg/mgextract), rutin (63.020 ± 0.052 µg/mgextract) and caffeic acid (55.153 ± 0.523 µg/mgextract).

Conclusions: The data suggest that EKE possesses utilizable antioxidant properties in vitro. The antioxidant capacity of this sub-extract could be due to high content of phenolic and flavonoid contents.

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This entry was posted on 11 de December de 2019 by in Analytical Chemistry, Antioxidants, Flavonoids, Herbal medicine, Medicinal plants, Phenolics, Phytochemistry and tagged , , , , .

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