2001
DOI: 10.1590/s1415-43662001000200018
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Modelagem matemática da atividade de água em polpa cítrica peletizada

Abstract: Considerando-se a importância na formulação de rações mais elaboradas e de elevada qualidade nutricional para alimentação de animais objetivou-se, através deste trabalho, determinar as curvas de atividade de água para polpa cítrica peletizada, a qual foi submetida à dessorção e adsorção sob quatro condições de temperatura (20, 25, 30 e 35 ºC) e quatro umidades relativas do ar (50, 60, 70 e 80%) com três repetições, até a umidade de equilíbrio. A temperatura e a umidade relativa do ar (atividade de água) foram … Show more

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Cited by 3 publications
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“…A large proportion of fruit production is currently directed to meet the demand for fresh fruit; however, there is also a global trend for processed products such as preserves, juices, jellies and candies. The manufacture of fruit juice generates large amounts of industrial waste, which is mainly discarded (85%) or used for animal feed in the form of a component in mixed feed or green manure (about 15%), procedures that lead to economic and biotechnological losses for the food industry [7]. The growing market for natural products, coupled with consumer interest in disease prevention, has prompted the food industry to search for healthier products, and consequently there has been much research in this area.…”
Section: Introductionmentioning
confidence: 99%
“…A large proportion of fruit production is currently directed to meet the demand for fresh fruit; however, there is also a global trend for processed products such as preserves, juices, jellies and candies. The manufacture of fruit juice generates large amounts of industrial waste, which is mainly discarded (85%) or used for animal feed in the form of a component in mixed feed or green manure (about 15%), procedures that lead to economic and biotechnological losses for the food industry [7]. The growing market for natural products, coupled with consumer interest in disease prevention, has prompted the food industry to search for healthier products, and consequently there has been much research in this area.…”
Section: Introductionmentioning
confidence: 99%
“…A utilização de resíduo da agroindústria, como a casca do abacaxi, em que cerca de 85% são desperdiçados e somente 15% são aproveitados para sucos e ração animal é uma alternativa. Segundo Corrêa et al (2001) depois de passar pelo processo de industrialização em que a polpa é aproveitada, este resíduo passará a ser utilizado na ração animal como suplemento protéico. O importante é que seu teor de umidade na forma in natura é de 81% e, por isso, a água existente no resíduo é suficiente para se fazer o enriquecimento protéico no processo fermentativo.…”
Section: Introductionunclassified