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Thermal treatments and emerging technologies: Impacts on the structure and techno-functional properties of milk proteins

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Nunes, Lauane [1] ; Tavares, Guilherme M. [1]
Número total de Autores: 2
Afiliação do(s) autor(es):
[1] Univ Estadual Campinas, Sch Food Engn, Dept Food Sci, Campinas, SP - Brazil
Número total de Afiliações: 1
Tipo de documento: Artigo de Revisão
Fonte: TRENDS IN FOOD SCIENCE & TECHNOLOGY; v. 90, p. 88-99, AUG 2019.
Citações Web of Science: 0

Background: Milk and dairy products are among the most important protein sources for humans. During the processing of these products, applied thermal treatments often induce changes in the proteins' structure and consequently their techno-functionalities. Nevertheless, because of the increasing consumer demand for high quality food products, considerable research has been completed focusing on minimal processing using emerging technologies. However, knowledge concerning how these emerging technologies affect milk proteins is diffuse. Scope and approach: The impacts of emerging technologies on the structure and techno-functionalities of caseins and whey proteins are compared to the impacts caused by thermal treatments in this review. The main emerging technologies discussed are ultrasound, high-pressure treatment, pulsed electric fields, microwave, radio frequency, irradiation, and supercritical fluid extrusion. Structural changes induced by these technologies and by consequent changes in solubility, gelling capacity, interfacial activity, binding properties and allergenicity of milk proteins were highlighted. Key findings and conclusions: Even if intense treatments negatively affect milk proteins' techno-functional properties, these properties may be improved by controlling the induced structural changes. Because of the diversity of technologies, several different structural effects may be expected. Thus, this review may be beneficial to identify suitable processing conditions for the development of innovative dairy products/ingredients. Future challenges for this scientific field are also addressed. (AU)

Processo FAPESP: 17/09214-4 - Como modificações estruturais de proteínas lácteas afetam a funcionalidade de compostos bioativos em matrizes alimentares complexas?
Beneficiário:Guilherme Miranda Tavares
Linha de fomento: Auxílio à Pesquisa - Apoio a Jovens Pesquisadores