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Orientador(es)
Resumo(s)
Strawberries are usually consumed in high quantities and can thus be a valuable source of
phenolic compounds, vitamin C and other antioxidant compounds. The main phenolic
compounds in strawberries are anthocyanins, responsible for the red color in strawberry flesh,
combined with flavonoids, flavanols, and derivatives of hydroxycinnamic and ellagic acid (Aaby
et al, 2007; Pinto et al, 2008). Wild strawberries (Fragaria Vesca L.) are usually claimed as
more antioxidant and more rich in specific phenolic compounds. So the aim of this work was to
characterize the phenolic compounds profile and evaluate the antioxidant capacity of wild
strawberries in order to ascribe the relevant nutritional and functional properties of these
strawberries. Total phenolics were assessed by Folin Ciocalteau's method, total anthocyanins
by spectrophotometric methods, total antioxidant activity by the ABTS method and the
phenolic compounds were analyzed by high performance liquid chromatography (HPLCDAD).
The results obtained reveal that wild strawberries are indeed a great source of phenolic
compounds (catechin, epigallocatechin gallate, rutin and ellagic acid) and anthocyanins
(cyanidin-3-O-galactoside, cyanidin-3-O-glucoside, pelargonidin-3-O-glucoside, pelargonidin-3-
O-rutinoside). All of these compounds have importance for the high antioxidant activity
demonstrated by these strawberries. Thus, this study highlights the potential of these wild
strawberries as a source of bioactive compounds consumed in human diet.
Descrição
Palavras-chave
Strawberries Phenolic compounds Anthocyanins Antioxidant activity
Contexto Educativo
Citação
PEREIRA, Maria João … [et al.] - Phenolic compounds content and antioxidant activity of wild strawberries (Fragaria Vesca L.). In Congress on Food Structure Design, 1st, Porto, Portugal, 15-17 October, 2014. VICENTE, A. A. ; SILVA, C. L. M. ; PIAZZA, L. (eds.) - Book of Abstracts of the 1st Congress on Food Structure Design. Braga: Universidade do Minho, Departamento de Engenharia Biológica, 2014. ISBN 978-989-97478-5-2. p. 252-253
Editora
Universidade do Minho. Departamento de Engenharia Biológica