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Shelf life of irradiated minimally processed (MP) watercress (Nasturtium officinale) Ciênc. Tecnol. Aliment.
Martins,Cecília Geraldes; Behrens,Jorge Herman; Aragon-Alegro,Lina Casale; Vieira,Vanessa Santos; Costa-Sobrinho,Paulo Souza; Vizeu,Dirceu Martins; Hutzler,Beatriz; Franco,Bernadette Dora Gombossy de Melo; Destro,Maria Teresa; Landgraf,Mariza.
This study was carried out to evaluate the shelf life of minimally processed (MP) watercress exposed to gamma radiation with doses of 1.0; 3.0; 4.0 kGy. Packaged irradiated and non-irradiated MP watercress was subject to sensory analysis. A panel consisting of 25-30 non-trained members, aged 20-55 years, was used. Sensory evaluation was carried out on days 0, 2, 5, 7, 9 and 12 after treatment with packages maintained at 7 °C. The members of the panel rated each sample for overall liking on a hybrid 10 hedonic scale (0 = extremely dislike; 10 = extremely like). Microbiological analyses were also conducted. Compared to the non-irradiated sample, 1 kGy irradiated watercress increased its shelf life by one day (16 days). Shelf lives of samples exposed to...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Watercress; Vegetable irradiation; Acceptance test.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612007000100008
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