<abstract xmlns="http://www.w3.org/1999/xhtml"><p> Th e aim of this study was to examine the phenolic and flavonoid contents and antioxidant activities of methanol and chloroform extracts of leaves and twigs of Daphne blagayana. Th e total phenolic content in the chloroform extract of plant twigs (90.26 ± 0.69 mg GA/g) was higher than that of the other extracts (from 76.56±0.89 to 77.45±0.43 mg GA/g). In the case of flavonoids, a greater value was also obtained for the chloroform extract of twigs (35.24±0.55 mg RU/g). Several diff erent methods were used to determine the antioxidant activity of the tested extracts, including total antioxidant capacity, metal chelating activity, hydroxyl radical scavenging activity and inhibitory activity against lipid peroxidation. Our results showed that although secondary metabolites of the plants may contribute significantly to their antioxidant activities, those antioxidant activities were not directly related to the phenolic and flavonoid amounts. Th e results of the present analysis demonstrated, for the first time, that Daphne blagayana leaves and twigs possess high phenolic and flavonoid contents, as well as potential antioxidant activity. Th is study suggests that Daphne blagayana twigs and leaves may potentially be used as an accessible source of natural antioxidants.</p></abstract>

Th e aim of this study was to examine the phenolic and flavonoid contents and antioxidant activities of methanol and chloroform extracts of leaves and twigs of Daphne blagayana. Th e total phenolic content in the chloroform extract of plant twigs (90.26 ± 0.69 mg GA/g) was higher than that of the other extracts (from 76.56±0.89 to 77.45±0.43 mg GA/g). In the case of flavonoids, a greater value was also obtained for the chloroform extract of twigs (35.24±0.55 mg RU/g). Several diff erent methods were used to determine the antioxidant activity of the tested extracts, including total antioxidant capacity, metal chelating activity, hydroxyl radical scavenging activity and inhibitory activity against lipid peroxidation. Our results showed that although secondary metabolites of the plants may contribute significantly to their antioxidant activities, those antioxidant activities were not directly related to the phenolic and flavonoid amounts. Th e results of the present analysis demonstrated, for the first time, that Daphne blagayana leaves and twigs possess high phenolic and flavonoid contents, as well as potential antioxidant activity. Th is study suggests that Daphne blagayana twigs and leaves may potentially be used as an accessible source of natural antioxidants.

Phenolic and Flavonoid Content and Antioxidant Activity of Daphne Blagayana Growing in Serbia

Faculty of Medical Sciences, University of Kragujevac, 34000 Kragujevac, Serbia

Faculty of Agronomy, University of Kragujevac, 32000 Cacak, Serbia

Faculty of Sciences and Mathematics, University of Nis, 18000 Nis, Serbia

Experimental and Applied Biomedical Research (EABR)

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Th e aim of this study was to examine the phenolic and flavonoid contents and antioxidant activities of methanol and chloroform extracts of leaves and twigs of...

Phenolic and Flavonoid Content and Antioxidant Activity of Daphne Blagayana Growing in Serbia

Publié en ligne: 23 avr. 2014

Pages: 21 - 27

DOI: https://doi.org/10.2478/sjecr-2014-0003

Mots clés
Daphne blagayana, phenols, flavonoids, antioxidant activity

© 2014

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Phenolic and Flavonoid Content and Antioxidant Activity of Daphne Blagayana Growing in Serbia

Publié en ligne: 23 avr. 2014

Pages: 21 - 27

DOI: https://doi.org/10.2478/sjecr-2014-0003

Mots clésDaphne blagayana, phenols, flavonoids, antioxidant activity

© 2014

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Mots clés
Daphne blagayana, phenols, flavonoids, antioxidant activity