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J Sci Food Agric ; 100(4): 1711-1717, 2020 Mar 15.
Artigo em Inglês | MEDLINE | ID: mdl-31803934

RESUMO

BACKGROUND: Innovative approaches to combine whey with other ingredients and the use of new techniques in product development should be explored to meet consumers' needs and expectations. However, the question arises here of whether whey protein could be used as a suitable food matrix for supplementation with ß-glucan, an attractive glucose polymer and a physiologically functional component. The present study addresses the challenge associated with the design and characterization of whey protein spread as a substrate for ß-glucan delivery. The results are discussed on the basis of physical-chemical and microbiological characteristics, which are subsequently linked to its sensorial profile. RESULTS: A whey protein spread can be developed without the addition of NaCl, with physicochemical characteristics (pH, viscosity), microbiological counts, and sensory acceptance (color, aroma, overall impression) similar to the product with NaCl. This spread can be refrigerated for 28 days. The whey protein spread presented high whey protein content (18.67-19.17 g 100 g-1 ) and could be a good source of carbohydrates (8.30-8.68 g 100 g-1 ), with low levels of fat (0.2 g 100 g-1 ) and lactose (1.56-1.61 g 100 g-1 ). The sensorial results showed that women would prefer a product with lower salt content. CONCLUSION: This is the first study to evaluate the development of a whey protein spread enriched with ß-glucan, providing results that are of interest for the dairy sector. The combination of whey and ß-glucan can be explored industrially as a whey protein spread, with satisfactory results for physicochemical, microbiological, and sensory acceptance. © 2019 Society of Chemical Industry.


Assuntos
Proteínas do Soro do Leite/química , beta-Glucanas/análise , Adolescente , Adulto , Feminino , Manipulação de Alimentos , Humanos , Concentração de Íons de Hidrogênio , Masculino , Pessoa de Meia-Idade , Paladar , Viscosidade , Soro do Leite/química , Soro do Leite/metabolismo , Proteínas do Soro do Leite/metabolismo , Adulto Jovem , beta-Glucanas/metabolismo
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