Acids like lactic acid are produced by lactobacillus species which lower the pH and thereby create an environment which is unsuitable for yeast to thrive in, a good reason to have a 2 or a 3 + of beneficial lactobacillus in your stool counts. (ericbakker.com)
Interest in the deliberate use of lactic acid bacteria as a health - giving constituent of certain foods and forage products has snowballed in the past few years. (dairyprocessinghandbook.com)
This breakdown of sugars and carbohydrates by the bacteria produces lactic acid which gives all probiotic rich food a certain degree of tang. (organicallymandy.com)