The functional properties of fibers have to be determined for its characterization. Consequently, hydration properties such as water retention capacity (WRC), swelling capacity (SW), and fat adsorption capacity (FAC) were determined. As the environmental conditions such as pH, ionic strength, nature of the ions can influence the hydration values of fibers containing polyelectrolytes determinations must be made at different pH and ionic strength (Fleury and Lahaye, 1991 and Renard et al., 1994).
Stabilization of pimento purée in canning is necessary to avoid risk of microbiological by-products. Sterilization process generally involve high temperature which may alter the chemical composition and physicochemical, nutritional and functional properties of dietary fiber (Rodriguez et al., 2006). Because of the physicochemical properties of the fibers are modified slightly with sterilization this effect has to be determined experimentally.
The main objective of this work was to study of the effect of dietary fibers on the rheology of suspensions having pimento purée as model. This included: (1) the characterization of the fibers, (2) the study of the flow behaviour of aqueous suspensions of dietary fiber, and (3) the study of the effect of dietary fibers on the viscosity and texture of a suspension of pimento purée before and after sterilisation.
The functional properties of fibers have to be determined for its characterization. Consequently, hydration properties such as water retention capacity (WRC), swelling capacity (SW), and fat adsorption capacity (FAC) were determined. As the environmental conditions such as pH, ionic strength, nature of the ions can influence the hydration values of fibers containing polyelectrolytes determinations must be made at different pH and ionic strength (Fleury and Lahaye, 1991 and Renard et al., 1994).Stabilization of pimento purée in canning is necessary to avoid risk of microbiological by-products. Sterilization process generally involve high temperature which may alter the chemical composition and physicochemical, nutritional and functional properties of dietary fiber (Rodriguez et al., 2006). Because of the physicochemical properties of the fibers are modified slightly with sterilization this effect has to be determined experimentally.The main objective of this work was to study of the effect of dietary fibers on the rheology of suspensions having pimento purée as model. This included: (1) the characterization of the fibers, (2) the study of the flow behaviour of aqueous suspensions of dietary fiber, and (3) the study of the effect of dietary fibers on the viscosity and texture of a suspension of pimento purée before and after sterilisation.
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