Efeito de soluções de quitosano e água, aplicadas directamente em peixe congelado como revestimento edível, na extensão do tempo de conservação

  • Soares, Nuno Miguel Ferreira
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Publication date
June 2016

Abstract

PhD Thesis in Chemical and Biological EngineeringEven though this fact might not be fully realized by the business owners and consumers, the wide use of water glazing in frozen fish industry (as a layer of ice over the frozen fish products) works just like an edible coating that protects the product during storage. Glazing aims at acting as a physical barrier to cold storage deterioration especially when the product is subjected to inadequate cold storage. Nevertheless, in addition to having a high procedural cost due to the necessary equipment, glazing has long been shrouded in controversy over the amount of water applied to the product. In extreme cases, up to 40 % glaze can be observed for some seafood products, seeking clearly m...

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