Ayurveda - Microbiology and Diet Microbiology and Diet K. Dhunjibhoy . The microflora of the gut varies according to the milieu intereur of the body.
Various factors influence the microflora of the oral cavity and the gut.
Let us first consider the normal microflora and the time in growth when the organisms start living in the host. The bacteria present in the mouth are subject to great variation both in number and in kind. The saliva as is initially secreted, is sterile but contains growth promoting substances for members of a few species such as lactobacilli, Shigella, salmonella, bacillus, vibrio. Lactobacilli are abundant in cases of dental caries. Gram negative bacilli including members of the coliform and proteus groups.