a b s t r a c tThis study evaluated the effect of addition of modified starch on the characteristics of dulce de leche, being conducted in two phases. In the initial phase, starches were evaluated for their ability to provide viscosity in model solutions representing the composition of dulce de leche during processing, thus evaluating the effect of solid concentration, which occurs during production, on the ability of starches to increase viscosity in simulated conditions of heat treatment and agitation promoted by Rapid Visco Analyser (RVA). It has been chosen 2 starches and 2 concentrations of soluble solids from the results of the initial phase, being employed as a criterion of choice starches with the highest viscosities at each solid concentration processing phase. In the second stage, 6 treatments were applied in triplicate, in which it's been determined the chemical composition, the instrumental color, texture profile and yield. Analyses were performed on crystallization of lactose during storage. According to the established conditions of the experiment, the starch configures itself as an important optional ingredient for the production of dulce de leche providing then longer shelf life without change in texture, composition, yield and sensory characteristic.
WPC intake ≥40% of DPR helped to reduce the severity and duration of OM. The use of WPC in patients undergoing HSCT was shown to be safe, encouraging new studies in this population to assess its action mechanism.
Colostro e leite bovino contêm fatores de crescimento tais como o fator de crescimento semelhante à insulina IGF-I, IGF-II, fator de crescimento transformador beta TGF-β1, TGF-β2, fator de crescimento epidérmico EGF, fator de crescimento de fibroblastos básico bFGF e fator de crescimento derivado de plaquetas PDGF. Nos últimos anos, o foco do interesse científico tem sido a identificação desses fatores dentro do leite bovino que pode ser relevante para a melhoria da saúde humana. Dessa forma, foram desenvolvidas diversas metodologias para a extração desses fatores de crescimento do leite a partir de leite, colostro ou soro de leite. As metodologias mais usadas são cromatografia de troca catiônica, microfiltração e ultrafiltração. A cromatografia de troca catiônica tem sido amplamente utilizada devido à natureza básica dos fatores de crescimento, enquanto a microfiltração tem sido utilizada para a concentração de alguns fatores de crescimento a partir de colostro, e a ultrafiltração foi bem sucedida apenas na separação de IGF-I a partir de IGF-II no soro de leite. Extratos de fator de crescimento a partir do leite, do colostro ou do soro de leite têm sido utilizados como preparações terapêuticas para cicatrização de feridas e no tratamento de doenças inflamatórias do intestino.
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