<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>The objective of this work was to compare the extraction of phenolic compounds from <italic>Tilia argentea</italic> flowers and bracts by using conventional (solvent extraction) and novel (ultrasound assisted) extraction methods. Ethanol (70 %) extracts were analyzed for their antioxidant activities. Total phenolic content was determined using Folin-Ciocalteu method and the antioxidant potential was determined by DPPH radical scavenging and Ferric Reducing Antioxidant Power (FRAP) assays. To determine the effect of ultrasound treatment on the extraction, same extraction parameters were applied in both methods. The results showed that extracts obtained by ultrasound assisted extraction have higher total phenolic content and antioxidant activity.</p>
</abstract>

The objective of this work was to compare the extraction of phenolic compounds from Tilia argentea flowers and bracts by using conventional (solvent extraction) and novel (ultrasound assisted) extraction methods. Ethanol (70 %) extracts were analyzed for their antioxidant activities. Total phenolic content was determined using Folin-Ciocalteu method and the antioxidant potential was determined by DPPH radical scavenging and Ferric Reducing Antioxidant Power (FRAP) assays. To determine the effect of ultrasound treatment on the extraction, same extraction parameters were applied in both methods. The results showed that extracts obtained by ultrasound assisted extraction have higher total phenolic content and antioxidant activity.

The influence of extraction method on antioxidant potential of <italic>Tilia argentea</italic> flowers and bracts

Faculty of Pharmacy, Department of Analytical Chemistry

Ovidius University Annals of Chemistry

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

The influence of extraction method on antioxidant potential of  flowers and bracts

The objective of this work was to compare the extraction of phenolic compounds from Tilia argentea flowers and bracts by using conventional (solvent...

The influence of extraction method on antioxidant potential of Tilia argentea flowers and bracts

Published Online: Apr 27, 2020

Page range: 14 - 17

Received: Feb 18, 2020

Accepted: Apr 06, 2020

DOI: https://doi.org/10.2478/auoc-2020-0004

Keywords
antioxidant activity, ultrasound assisted extraction, DPPH

© 2020 Serap Ayaz Seyhan et al., published by Sciendo

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

The influence of extraction method on antioxidant potential of Tilia argentea flowers and bracts

Published Online: Apr 27, 2020

Page range: 14 - 17

Received: Feb 18, 2020

Accepted: Apr 06, 2020

DOI: https://doi.org/10.2478/auoc-2020-0004

Keywordsantioxidant activity, ultrasound assisted extraction, DPPH

© 2020 Serap Ayaz Seyhan et al., published by Sciendo

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

Keywords
antioxidant activity, ultrasound assisted extraction, DPPH