Effect of Pulsed Electric Fields on the Growth and Acidification Kinetics of Lactobacillus delbrueckii Subsp. bulgaricus
Abstract
:1. Introduction
2. Materials and Methods
2.1. Bacterial Strain and Preculture Conditions
2.2. Fermentation Conditions
2.2.1. Control Fermentation
2.2.2. PEF-Assisted Fermentation
2.3. Statistical Analysis
3. Results and Discussion
3.1. Effect of Recirculation Flow Rate on the Growth and Acidification Kinetics
3.2. The Impact of PEF Treatment on the Growth and Acidification Kinetics
3.2.1. The Impact of PEF Intensities
3.2.2. Effect of the Treatment Time and the Duration between the Trains
4. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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µmax (min−1) | dpH/dt (min−1) | ||||
---|---|---|---|---|---|
Initial OD600nm | Treatment Intensity (V cm−1) | Average | SD | Average | SD |
0.015 | 0 | 0.0099 | 0.0001 | −0.0055 | 0.0008 |
0.03 | 0 | 0.0129 | 0.0012 | −0.0073 | 0.0003 |
0.03 | 60 | 0.0127 | 0.0011 | −0.0074 | 0.0002 |
0.03 | 90 | 0.0131 | 0.0014 | −0.0072 | 0.0007 |
0.03 | 285 | 0.0082; 160 min | 0.0007 | −0.0046 | 0.0002 |
0.0082; 320 min | 0.0006 | ||||
0.03 | 428 | 0.0069; 80 min | 0.0025 | −0.0040 | 0.0000 |
0.0069; 480 min | 0.0016 |
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Peng, K.; Koubaa, M.; Bals, O.; Vorobiev, E. Effect of Pulsed Electric Fields on the Growth and Acidification Kinetics of Lactobacillus delbrueckii Subsp. bulgaricus. Foods 2020, 9, 1146. https://doi.org/10.3390/foods9091146
Peng K, Koubaa M, Bals O, Vorobiev E. Effect of Pulsed Electric Fields on the Growth and Acidification Kinetics of Lactobacillus delbrueckii Subsp. bulgaricus. Foods. 2020; 9(9):1146. https://doi.org/10.3390/foods9091146
Chicago/Turabian StylePeng, Kaidi, Mohamed Koubaa, Olivier Bals, and Eugène Vorobiev. 2020. "Effect of Pulsed Electric Fields on the Growth and Acidification Kinetics of Lactobacillus delbrueckii Subsp. bulgaricus" Foods 9, no. 9: 1146. https://doi.org/10.3390/foods9091146