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Polysaccharides as Biopolymers for Food Shelf-Life Extention: Recent Patents

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Biopolymers have properties that make them suitable for use in increasing food shelf-life. At present, conventional polymers could be substituted with biobased food packaging materials in several areas such as meat products, fruits and vegetables, dairy products, frozen food, dry food, snacks, ready to eat food and drinks. In spite of the enormous amount of published scientific articles and reviews on polysaccharide employment in food shelf-life extension, there is a comparatively limited number of patents issued from industry. Several polysaccharides alone or in combination with other substances are proposed in the patents aimed to extend the food shelf-life of fresh food, reducing modifications in color, flavor and taste. In this review, we will focus on polysaccharides extracted from biomass and their applications in the food industry, in particular on food shelf-life extension. The patents issued in the last twenty years for polysaccharides and their applications in food shelf-life extension will be reviewed.

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Keywords: Biopolymers; edible coating and film; food biopackaging; food shelf-life; polysaccharides

Document Type: Research Article

Publication date: June 1, 2010

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  • Recent Patents on Food, Nutrition & Agriculture publishes review and research articles, and guest edited thematic issues on recent patents in all fields of food science & technology, nutrition and agricultural science & technology. A selection of important and recent patents in the areas covered is also included in the journal. The journal is essential reading for all researchers involved in food, nutrition and agricultural sciences and technology. The journal also covers recent research (where patents have been registered) in fast emerging technologies related to food additives, micro & macro-molecular food supplements, edible alternatives, food technology, nutraceuticals, healthy diet, nutritional value, calorie intake, malnutrition & related diseases, plant derivatives, agricultural technology and products, crop improvement and safety issues related to food, nutrition & agriculture.
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