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Ionizing radiation effects on food vitamins: a review 52
Dionísio,Ana Paula; Gomes,Renata Takassugui; Oetterer,Marília.
Ionizing radiation has been widely used in industrial processes, especially in the sterilization of medicals, pharmaceuticals, cosmetic products, and in food processing. Similar to other techniques of food processing, irradiation can induce certain alterations that can modify both the chemical composition and the nutritional value of foods. These changes depend on the food composition, the irradiation dose and factors such as temperature and presence or absence of oxygen in the irradiating environment. The sensitivity of vitamins to radiation is unpredictable and food vitamin losses during the irradiation are often substantial. The aim of this study was to discuss retention or loss of vitamins in several food products submitted to an irradiation process.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Irradiation; Vitamins; Foods.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132009000500026
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Biotechnological production of bioflavors and functional sugars 116
Bicas,Juliano Lemos; Silva,Júnio Cota; Dionísio,Ana Paula; Pastore,Gláucia Maria.
Bioflavors and oligosaccharides are two classes of substances that may be produced biotechnologically through microbial bioprocesses. These compounds have attracted the interest of pharmaceutical and food industries not only due to their technological properties (sweetening/fiber or flavoring, respectively), but also as a consequence of other functional properties such as, for example, health promoting benefits. The use of agro-industrial residues as substrates in biotechnological processes seems to be a valuable alternative in helping to overcome the high manufacturing costs of industrial fermentations. This manuscript reviews the most important advances in biotechnological production of bioflavors and oligosaccharides. The use of some agro-industrial...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Bioflavors; Biotransformation; De novo synthesis; Functional food; Oligosaccharides.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612010000100002
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