2005
DOI: 10.1590/s0101-20612005000200023
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Estudo reológico da gelificação induzida pelo calor de proteínas do soro do leite e dos géis resultantes sob condições variadas de pH

Abstract: RESUMOMedidas reólogicas sob cisalhamento oscilatório foram realizadas em reômetro de tensão e deformação controladas com suspensões de concentrado de proteínas do soro do leite (WPC) a 10% (m/m) em água e a diferentes condições de pH (pH 4,0, 4,6 e 7,0). O processo de gelificação induzida pelo calor foi investigado, assim como as propriedades viscoelásticas dos géis formados a 80°C e daqueles formados após o decréscimo da temperatura a 20°C. Foi verificado que, em presença de teores significativos de sais, pr… Show more

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“…It represents the aqueous portion of milk that separates from the clot during cheese making or casein production and consists of a complex mixture of globular proteins (~0.6%), lipids, minerals and lactose, in water (93%) [64]. Drying and removing non-protein components from whey leads to commercial products such as concentrates (whey protein concentrate-WPC, with 25 to 80% proteins) or isolates (whey protein isolate-WPI, with proteins concentration ≥90%) of whey proteins, which are widely used in the food sector due to their functional properties as gelling agents, emulsifiers and foam stabilizers [65].…”
Section: Introductionmentioning
confidence: 99%
“…It represents the aqueous portion of milk that separates from the clot during cheese making or casein production and consists of a complex mixture of globular proteins (~0.6%), lipids, minerals and lactose, in water (93%) [64]. Drying and removing non-protein components from whey leads to commercial products such as concentrates (whey protein concentrate-WPC, with 25 to 80% proteins) or isolates (whey protein isolate-WPI, with proteins concentration ≥90%) of whey proteins, which are widely used in the food sector due to their functional properties as gelling agents, emulsifiers and foam stabilizers [65].…”
Section: Introductionmentioning
confidence: 99%