Probiotic properties of yogurt
Pro Research Analysisby 
Searched over 200M research papers
Probiotic Strains in Yogurt: Key Properties and Benefits
Yogurt is widely recognized as an effective carrier for probiotics, which are live microorganisms that provide health benefits when consumed in adequate amounts. Common probiotic strains used in yogurt include Lactobacillus acidophilus, Bifidobacterium bifidum, Lactobacillus plantarum, and Lactobacillus casei, among others. These strains are selected for their ability to survive in the acidic environment of yogurt and the human gut, as well as their tolerance to bile salts, which is essential for their probiotic function 1410.
Viability and Survival of Probiotics in Yogurt
The survival of probiotic bacteria in yogurt is crucial for delivering health benefits. Studies show that certain strains, such as Bifidobacterium bifidum and Propionibacterium jensenii, maintain high viability throughout storage, often exceeding the minimum therapeutic level required for health effects. The use of protective systems like bigels and the addition of prebiotics such as inulin can further enhance the survival of probiotics during storage, ensuring that sufficient numbers reach the consumer 35910.
Impact on Yogurt’s Nutritional and Functional Properties
Adding probiotics to yogurt can improve its nutritional profile. For example, yogurts containing Lactobacillus plantarum and Lactobacillus casei have higher protein, calcium, and phosphorus levels. Probiotic strains also influence the rheological properties of yogurt, such as increasing viscosity and water-holding capacity, and reducing syneresis (whey separation), which contributes to a creamier texture 1269.
Sensory and Organoleptic Qualities
Probiotic yogurts are often rated highly for flavor, texture, and overall acceptability. The addition of certain strains, like Lactobacillus plantarum, can enhance flavor, while multi-strain combinations improve texture. Fortification with ingredients like apple pomace flour or Siraitia grosvenorii fruit extract can further boost sensory appeal and add functional benefits, such as increased antioxidant activity 1678.
Health-Related Bioactivities
Probiotic yogurts offer several health benefits, including improved gut health, enhanced immune function, and potential relief from lactose intolerance and diarrhea. Supplementing yogurt with bioactive ingredients can increase antioxidant, antibacterial, and angiotensin-converting enzyme inhibitory activities, further enhancing its functional value 56710.
Conclusion
Yogurt serves as an excellent carrier for probiotics, supporting the survival and activity of beneficial bacteria. The choice and combination of probiotic strains, along with the use of protective systems and functional fortification, can significantly enhance the nutritional, sensory, and health-promoting properties of yogurt. These advances make probiotic yogurt a valuable functional food for promoting overall health and well-being 1234+6 MORE.
Sources and full results
Most relevant research papers on this topic