Antimicrobial, antiviral and antioxidant activities of ‘‘água-mel’’ from Portugal

Miguel, Maria Graça; Faleiro, Leonor; Antunes, Maria Dulce; S, Azza; Duarte, Joana; Silvério, Ana R.

http://hdl.handle.net/10400.1/5676

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Abstract(s)

‘‘Água-mel’’ is a honey-based product produced in Portugal for ancient times. Several attributes have been reported to ‘‘água-mel’’ particularly in the alleviation of simple symptoms of upper respiratory tract. Samples of ‘‘água-mel’’ from diverse beekeepers from different regions of Portugal were studied in what concerns antimicrobial, antioxidant and antiviral properties. The amounts of phenol and brown pigment were also evaluated and correlated with the antioxidant activities. A great variability on the levels of these compounds was found among samples which were responsible for the variability detected also on the antioxidant activities, independent on the method used. Generally, antioxidant activity correlated better with brown pigments’ amount than with phenols’ content. The antimicrobial activity found for ‘‘água-mel’’ samples confirm the virtues reported by popular findings. In addition, this work also reveals the antiviral properties of ‘‘água-mel’’ evidenced by a decrease on the infectivity of the Qb bacteriophage.

Keywords

Água-mel Phenols Melanoidins Biological properties

URI

http://hdl.handle.net/10400.1/5676

Citation

Miguel, M.G.; Faleiro, L.; Antunes, M.D.; Aazza, S.; Duarte, J.; Silvério, A.R.Antimicrobial, antiviral and antioxidant activities of , Food and Chemical Toxicology, 56, S/N, 136-144, 2013.