Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.22/7247
Título: Impact of boiling on phytochemicals and antioxidant activity of green vegetables consumed in the Mediterranean diet
Autor: Vinha, Ana F.
Alves, Rita C.
Barreira, Sérgio V. P.
Costa, Anabela S. G.
Oliveira, M. Beatriz P. P.
Data: Fev-2015
Editora: Royal Society of Chemistry
Relatório da Série N.º: Food & Function;Issue 4
Resumo: The effect of boiling (10 minutes) on eleven green vegetables frequently consumed in the Mediterranean diet was evaluated. For that, some physicochemical parameters and the contents of vitamin C, phenolics and carotenoids, as well as the antioxidant activity, were determined in raw and boiled samples. The raw vegetables analysed in this study were good sources of vitamin C, carotenoids and phenolic compounds, with contents ranging from 10.6 to 255.1 mg/100 g, 0.03 to 3.29 mg/100 g and 202.9 to 1010.7 mg/100 g, respectively. Boiling promoted losses in different extensions considering both the different bioactive compounds and the distinct vegetables analysed. Contrary to phenolics (more resistant), vitamin C was the most affected compound. Boiling also originated significant losses in the antioxidant activity of the vegetables. Considering all the parameters analysed, the vegetables most affected by boiling were broccoli and lettuce. The least affected ones were collard and tronchuda cabbage.
URI: http://hdl.handle.net/10400.22/7247
DOI: 10.1039/C4FO01209G
Versão do Editor: http://pubs.rsc.org/en/content/articlelanding/2015/fo/c4fo01209g/unauth#!divAbstract
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