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Summary: The objective of this research was to investigate the survival of probiotic bacteria encapsulated in soy protein isolate (SPI) matrix using different encapsulation techniques and the influences of various factors on their survival. The results showed that microcapsules fabricated using SPI-PEC coacervation or TGase induced crosslinking provided good protection to the probiotic cells during gastric digestion, heat/UV treatment and storage. However, the combination of these two modification methods resulted in microcapsules with lower cross-linking degree and loose package structure, leading to negative effects on cell viability during gastric digestion and storage. Among the formulations tested, SPI-PEC microparticles offered the best protection to probiotic cells due to the thermal stability and digestion resistibility of pectin.
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Ewa Kowalska et al.
Summary: Probiotics and probiotic therapy have been rapidly developing in recent years due to an increasing number of people suffering from digestive system disorders and diseases related to intestinal dysbiosis. To increase the resistance of bacterial cells to external conditions, researchers have proposed the process of microencapsulation, with using vegetable protein microcapsules as an innovative approach.
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INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
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Ming Yin et al.
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Tian Xu et al.
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Jiaying Zhang et al.
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Sohrab Sharifi et al.
Summary: The study investigated the encapsulation of probiotic bacteria and phytosterols using complex coacervation technique, showing that phytosterols can improve the viability of probiotic bacteria. Freeze-dried microcapsules exhibited better survivability of the probiotic bacteria compared to spray-dried microcapsules.
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