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Lactobacillus acidophilus (Neo-Latin 'acid-loving milk-bacillus') is a rod-shaped, Gram-positive, homofermentative, anaerobic microbe first isolated from infant feces in the year 1900. [1] The species is commonly found in humans, specifically the gastrointestinal tract and oral cavity as well as some speciality fermented foods such as fermented ...
In terms of children (age < 18 years), seven out of the 12 trials conducted in a health care setting showed a reduction in acute diarrhea of 57%. There was no significant difference in the protective effect of strains, namely Saccharomyces boulardii, Lactobacillus rhamnosus GG, Lactobacillus acidophilus, and Lactobacillus bulgaricus. [7]
Lactobacillus is a genus of gram-positive, aerotolerant anaerobes or microaerophilic, rod-shaped, non-spore-forming bacteria. [2] [3] Until 2020, the genus Lactobacillus comprised over 260 phylogenetically, ecologically, and metabolically diverse species; a taxonomic revision of the genus assigned lactobacilli to 25 genera (see § Taxonomy below).
The inhibitory substances produced by vaginal Lactobacillus is a primary factor in protecting the vaginal microbiota, with organic acids, bacteriocins, and hydrogen peroxide. These act synergistically against infection by pathogens. Not all Lactobacillus spp. and not all strains within one Lactobacillus species exhibit all 3 mechanisms. [13]
Multiple studies have shown that there is a significant difference in the survival rate of Lactobacillus and Bifidobacterium under refrigerated (4°C) and room temperature (25°C) storage conditions. At room temperature (25±1°C), the number of probiotics decreased by 5 to 6 logarithmic units (down to 1/100,000) after 90 days of storage.
Graphic depicting the human skin microbiota, with relative prevalences of various classes of bacteria. The human microbiome is the aggregate of all microbiota that reside on or within human tissues and biofluids along with the corresponding anatomical sites in which they reside, [1] [2] including the gastrointestinal tract, skin, mammary glands, seminal fluid, uterus, ovarian follicles, lung ...
It is also present in L. acidophilus, L. buchneri, [15] L. delbrueckii subsp. bulgaricus, L. delbrueckii subsp. lactis, L. fermentum and L. helveticus with a content of 10 to 30% has been detected. [16] [15] However, lactobacillic acid is not restricted to members of the genus Lactobacillus or lactic acid bacteria in general.
Beneficial Microbes is a peer-reviewed scientific journal covering research on microbes beneficial to the health and wellbeing of man and animal. It is published by Wageningen Academic Publishers [1] originally in 2010 and republished every year with new articles from scientists all around the world.