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Estimation of water activity from pH and °Brix values of some food products Полный текст
2008
In this study, a predictive model for the estimation of water activity ([formula removed]) as a function of pH (1.00-8.00) and °Brix (0-82.00) values of simulated food solutions (SFS) was developed, through response surface methodology. Response fit analyses resulted in a highly significant (pH<0.0001) square root polynomial model that can predict [formula removed] of SFS in terms of pH and °Brix values within the defined variable ranges. The linear, quadratic and interactive influences of pH and °Brix on [formula removed] were all significant (pH<0.0001). Model validations in SFS and in a number of actual food systems showed that the model had acceptable predictive performance, as indicated by the calculated accuracy and bias indices.
Показать больше [+] Меньше [-]Analysis of water transport through thin cereal food products using 3D NMR images and estimation of swelling and apparent water diffusivity Полный текст
2010
Daudin, Jean-Dominique | Foucat, Loic | Wallecan , J.
Analysis of water transport through thin cereal food products using 3D NMR images and estimation of swelling and apparent water diffusivity Полный текст
2010
Daudin, Jean-Dominique | Foucat, Loic | Wallecan , J.
