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Design of automatic control system for the precipitation of bromelain from the ...
Silva,Flavio Vasconcelos da; Santos,Regina Lúcia de Andrade dos; Fujiki,Tatiana Lie; Leite,Manuela Souza; Fileti,Ana Maria FrattiniIn this work, bromelain was recovered from ground pineapple stem and rind by means of precipitation with alcohol at low temperature. Bromelain is the name of a group of powerful protein-digesting, or proteolytic, enzymes that are particularly useful for reducing muscle and tissue inflammation and as a digestive aid. Temperature control is crucial to avoid irreversible protein denaturation and consequently to im...
Desenvolvimento e aplicação experimental de controladores fuzzy e convencional ...
Leite,Manuela Souza; Fileti,Ana Maria Frattini; Silva,Flávio Vasconcelos daEste trabalho propõe a realização de um estudo comparativo do desempenho de controladores Fuzzy e convencional PID aplicados ao controle de temperatura de um processo de precipitação de bromelina do extrato aquoso de resíduos de abacaxi. Uma análise quantitativa da não-linearidade do processo foi realizada baseada na metodologia de curva de reação, aplicada em diferentes momentos da batelada, caracterizando o s...
Nutritional intake and bone mineral density in female adolescents.
Leite, Manuela; Padrão, Patrícia; Moreira, PedroAdolescence is a critical time in skeletal development, during which the amount of bone gained along with the subsequent rate of bone loss have a crucial impact on an individual's total bone mass in adulthood and old age. Factors believed to influence bone accretion and peak bone mass include adequate nutritional intake, namely for calcium. However, the findings of several studies have raised questions about th...
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