2009
DOI: 10.1590/s0101-20612009000300021
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Viscosidade extensional e em cisalhamento de suspensões acidificadas de amido de amaranto e caseinato de sódio

Abstract: As misturas de proteínas e polissacarídeos são frequentemente encontradas em sistemas alimentares, sendo que ambos os biopolímeros contribuem para a textura e a vida de prateleira do produto (SGARBIERI, 1998). Consequentemente, é importante identificar as condições ótimas nas quais o polissacarídeo e a proteína podem ser mais efetivos para as propriedades desejadas no produto (MUNHOZ et al., 2004). Os amidos são adicionados frequentemente aos alimentos devido às suas propriedades espessantes e de retenção de á… Show more

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Cited by 2 publications
(1 citation statement)
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“…This type of behavior was also observed by Horne (1998) and Lucey (2002) for protein-rich products. The pseudoplastic behavior can be explained by the weaker interactions among the molecules that make up the product as the shear rate applied increases, which leads to lower molecular interaction energy (Paseephol et al, 2008;Gozzo et al, 2009). Figure 2 shows the flow curves (τ versus γ) and viscosity curves (η versus γ) for tucupi with 40% solids, where the effects of concentration temperature (50, 70, and 90 °C) and of the temperature at which the rheological analysis was carried out are assessed.…”
Section: Rheological Behavior Of Concentrated Tucupimentioning
confidence: 99%
“…This type of behavior was also observed by Horne (1998) and Lucey (2002) for protein-rich products. The pseudoplastic behavior can be explained by the weaker interactions among the molecules that make up the product as the shear rate applied increases, which leads to lower molecular interaction energy (Paseephol et al, 2008;Gozzo et al, 2009). Figure 2 shows the flow curves (τ versus γ) and viscosity curves (η versus γ) for tucupi with 40% solids, where the effects of concentration temperature (50, 70, and 90 °C) and of the temperature at which the rheological analysis was carried out are assessed.…”
Section: Rheological Behavior Of Concentrated Tucupimentioning
confidence: 99%