Ключевые слова: abstract, acid, acidophilus, anaerobic, anaerobic bacteria, bacillus, background, bacteria, bacterial, bacterium, beneficial, bifidobacterium, biological, biology, biotechnology, cell, colony, digestion, digestive, disease, fermentation, flora, good, gout, health, healthy, human, human body, infection, lactobacillus, lactobacillus organism, medical, medicine, micro, microbe, microbes, microbiology, microbiome, microorganism, microorganisms, microscope, microscopic, molecule, organism, out of focus, positive, prebiotic, probiotic, science,