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Novel Production Protocol for Small-scale Manufacture of Probiotic Fermented Foods
Published on: September 10, 2016
Effects of Bifidobacterium animalis subsp. lactis IMAU12267 on milk fermentation, subsequent storage, and functional
Xiao Liu1,2,3, Sheng Zhang1,2,3, Lu Li1,2,3
1Key Laboratory of Dairy Biotechnology and Engineering, Ministry of Education, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia 010018, China.
Abstract:
This study investigated the effects of co-fermentation with Bifidobacterium animalis subsp. lactis IMAU12267 and the commercial starter culture PYS-010 on the quality characteristics of fermented milk. Comparative evaluation of micro-rheological properties, storage stability, and untargeted metabolomic profiles among the co-fermentation (I + P), IMAU12267 (I), and PYS-010 (P) groups demonstrated that the I + P group significantly shortened fermentation time and enhanced gelation performance of the final product. The I + P group also showed higher viable counts of IMAU12267, reduced post-acidification, and superior texture, viscosity, water-holding capacity, and sensory attributes. By day 7, 14 key metabolites were identified in the I + P group, primarily linked to galactose and riboflavin metabolism and to glycolysis/gluconeogenesis pathways, indicating improvements in flavor, product quality, and nutritional value. These results reveal a synergistic metabolic interaction between IMAU12267 and PYS-010 and offer valuable insight for the development of high-quality, functionally enhanced fermented dairy products.
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