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Polyphenol oxidase activity and colour changes of ‘Starking’ Apple cubes coated...
Fernandes, Susana Daniela Sousa; Ribeiro, Catarina Araújo da Silva; Raposo, M. F.; Morais, R. M. S. C.; Morais, Alcina Maria Miranda Bernardo deThe objective was to study the effect of alginate coating on polyphenol oxidase (PPO) activity and colour of ‘Starking’ apple cubes during dehydration with hot air. Apple cubes were dehydrated at 20°C, 35°C or 40°C, with a parallel air-flow. Analysis of PPO activity, colour (L*, a*, b*) and dry matter were performed along the dehydration process at each temperature. All samples presented a peak in relative PPO ...
Data: 2011
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Origem: Veritati - Repositório Institucional da Universidade Católica Portuguesa
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