A simple method for determining the spontaneous oil absorption capacity of proteins and the kinetics of oil uptake |
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| Authors: | R. J. de Kanterewicz A. M. R. Pilosof G. B. Bartholomai |
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| Affiliation: | (1) Departamento de Industrias, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, 1428 Buenos Aires, Argentina;(2) Present address: Consejo Nacional de Investigaciones Científicas y Técnicas de la República Argentina, Argentina |
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| Abstract: | A simple method was developed for determining the spontaneous oil uptake and the kinetics of oil uptake by several food protein
materials. The amount q of oil taken up by a protein powder during time t was described by the equation q=Qt/(B+t), where
Q is the total oil uptake at equilibrium and B is the time required to sorb Q/2. The rate of oil uptake was proportional to
the square of the amount of oil that must still be absorbed to reach equilibrium. A specific rate constant for the process
was calculated as (BQ)−1 and an initial rate of oil uptake as Q/B. |
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