Abstract
The knowledge of the fruit tropical pulps rheological behavior have a great importance for the consumers and food process industries. In this work it was studied the rheological behavior of the cashew apple ( Anacardium occidentale , L.), mango ( Mangifera indica , L) and acerola ( Malpighia emarginata, DC) single strength, frozen and pasteurized pulps. The experimental measurements were carried out in concentric cylinder rheometer and the experimental data were fitted to models of Ostwald-de-Waelle and Bingham. There were evaluated chemical, physical-chemical and microbiological parameters. In this work, in order to adjust the rheological parameters, the model that presented the best description was the Ostwald-de-Waelle for the mango and acerola pulps, and Bingham for cashew apple pulp. The samples presented non-Newtonian and pseudoplastic character. The chemical and physicochemical analysis showed the nutritional value of the studied fruits. The microbiological results presented satisfactory hygienic and sanitary conditions in pulps processing.
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