"The objective of this work was to study the viability kinetics by a mathematical model of exponential decayofB. bifidumun-immobilized (free) and immobilized with sodium alginate under simulated gastrointestinal conditions inpresence of food samples. The results demonstrated the protective effect of immobilization support in all experiments,compared to the free bacteria (p<0.05). The greater viability was observed in immobilized bacterial cells in the presenceof breakfast model (14.7%), on the other hand greater viability loss ofB. bifidumcaused by beer and chili (0% after 30 minsimulation) was observed. This study provides useful information on the kinetics of viability loss of immobilized bacterialcells through the upper gastrointestinal tract simulation and the effect of food samples on the viability of probiotic bacteriawas demonstrated."
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Mendoza-Madrigal et al. (2016) studied this question.
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