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Antioxidants 2017, 6(3), 72; doi:10.3390/antiox6030072

Profiling of Polyphenol Composition and Antiradical Capacity of Erica cinerea

1
Centre for the Research and Technology for Agro-Environment and Biological Sciences, CITAB, Universidade de Trás-os-Montes e Alto Douro, UTAD, Quinta de Prados, 5000-801 Vila Real, Portugal
2
Agronomy Department, Universidade de Trás-os-Montes e Alto Douro, UTAD, Quinta de Prados, 5000-801 Vila Real, Portugal
*
Author to whom correspondence should be addressed.
Received: 24 August 2017 / Revised: 15 September 2017 / Accepted: 19 September 2017 / Published: 20 September 2017
(This article belongs to the Special Issue Bioactive Phenolic Compounds)
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Abstract

The aim of the current study was to determine the profile and content of polyphenols present in Erica cinerea, an important plant species from Northern Portuguese flora and often reported as having anti-inflammatory, antioxidant, and anti-radical activity. The analysis of polyphenols was performed by HPLC-DAD/UV-Vis, and the 2,2′-azinobis-(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS•+) method was used to evaluate its radical scavenging activity. HPLC analysis showed that both plants presented a great diversity of compounds, with 33% flavones, 28% flavanols, and 26% hydroxycinnamic acids. The antiradical activity was dose-dependent, and the IC50 values were 0.251 mg mL−1. Based on our study, E. cinerea presented interesting bioactive compounds and it can be used to extract and purify bioactive polyphenols to be used in pharmaceutical or agro-food industries. View Full-Text
Keywords: plants; phytochemicals; bioactive compounds plants; phytochemicals; bioactive compounds
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Aires, A.; Carvalho, R. Profiling of Polyphenol Composition and Antiradical Capacity of Erica cinerea. Antioxidants 2017, 6, 72.

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