Lactobacillus acidophilus probiotic
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Lactobacillus Acidophilus Probiotic: Health Benefits and Applications
Introduction to Lactobacillus Acidophilus
Lactobacillus acidophilus is a well-known probiotic bacterium that has been extensively studied for its health benefits. It is commonly found in the human gastrointestinal tract and is widely used in various food products and dietary supplements. This article synthesizes the latest research on the health benefits and applications of Lactobacillus acidophilus.
Health Benefits of Lactobacillus Acidophilus
Gastrointestinal Health and Acute Gastroenteritis
Lactobacillus acidophilus has shown promise in managing gastrointestinal health, particularly in treating acute gastroenteritis in children. A systematic review and meta-analysis of 15 randomized controlled trials (RCTs) involving 1765 patients found that Lactobacillus acidophilus reduced the duration and frequency of diarrhea when administered at a daily dose of ≥ 10^9 CFU . This probiotic strain was effective across different geographic regions, including Asia, Europe, and America.
Immune System Modulation
Research has demonstrated that Lactobacillus acidophilus can modulate the immune system. In a study on marron (Cherax cainii), dietary supplementation with Lactobacillus acidophilus significantly enhanced hemolymph parameters and the biochemical composition of tail muscle, indicating improved health and immune status . Similarly, in Nile tilapia (Oreochromis niloticus), Lactobacillus acidophilus increased survival rates, body weight gain, and various immune response markers, such as neutrophil adherence and lysozyme activity .
Antimicrobial Properties
Lactobacillus acidophilus produces antimicrobial compounds, including bacteriocins, which inhibit the growth of pathogenic bacteria. For instance, Lactobacillus acidophilus 30SC was found to produce a heat-stable bacteriocin that inhibited several gram-positive bacteria, including Listeria ivanovii . This antimicrobial activity contributes to the probiotic's ability to maintain a healthy gut microbiota and prevent infections.
Irritable Bowel Syndrome (IBS)
Lactobacillus acidophilus has also been studied for its potential benefits in managing irritable bowel syndrome (IBS). A study involving 40 IBS patients found that treatment with Lactobacillus acidophilus-SDC 2012, 2013 significantly reduced abdominal pain and discomfort compared to a placebo . This suggests that specific strains of Lactobacillus acidophilus may be beneficial for IBS patients.
Applications in Food and Dietary Supplements
Dairy Products and Fermented Foods
Lactobacillus acidophilus is commonly used in the production of dairy products, such as yogurt and milk, due to its ability to survive gastrointestinal transit and its beneficial effects on gut health . The strain Lactobacillus acidophilus NCFM, for example, has been commercially available since the 1970s and is known for its safety and probiotic functionality .
Probiotic Formulations
Specific probiotic formulations, such as Bio-K+, which includes Lactobacillus acidophilus CL1285, have been developed to prevent antibiotic-associated diarrhea and Clostridium difficile infections. These formulations have demonstrated antimicrobial activity against C. difficile and have been shown to reduce the incidence of related infections in clinical trials .
Conclusion
Lactobacillus acidophilus is a versatile and beneficial probiotic bacterium with a wide range of health benefits. It has been shown to improve gastrointestinal health, modulate the immune system, and exhibit antimicrobial properties. Its applications in food products and dietary supplements make it a valuable component in promoting overall health and well-being. Further research is warranted to fully understand the mechanisms of action and to explore additional therapeutic uses of this probiotic strain.
Sources and full results
Most relevant research papers on this topic
Lactobacillus acidophilus and L. plantarum improve health status, modulate gut microbiota and innate immune response of marron (Cherax cainii)
Dietary Lactobacillus supplementation improves overall health and immunity, modulates gut microbiota, and enhances innate immune response in marron (Cherax cainii).
Invited review: the scientific basis of Lactobacillus acidophilus NCFM functionality as a probiotic.
Lactobacillus acidophilus NCFM is a safe and effective probiotic strain that may decrease colon cancer risk, reduce pediatric diarrhea, and facilitate lactose digestion in lactose-intolerant individuals.
A Systematic Review and Meta-Analysis: Lactobacillus acidophilus for Treating Acute Gastroenteritis in Children
Lactobacillus acidophilus can reduce the duration of diarrhea and frequency of diarrhea in children with acute gastroenteritis when administered at a daily dose of 109 CFU.
The life history of Lactobacillus acidophilus as a probiotic: a tale of revisionary taxonomy, misidentification and commercial success.
Lactobacillus acidophilus has been a commercially significant probiotic strain for over 100 years, despite multiple taxonomic revisions and misidentifications.
Inaugural Article: From the Cover: Complete genome sequence of the probiotic lactic acid bacterium Lactobacillus acidophilus NCFM
The complete genome sequence of Lactobacillus acidophilus NCFM reveals features that contribute to its gastric survival and promote interactions with intestinal mucosa and microbiota.
Survival and therapeutic potential of probiotic organisms with reference to Lactobacillus acidophilus and Bifidobacterium spp.
Inclusion of probiotic bacteria in fermented dairy products enhances their therapeutic value, but ensuring their viability and survival during manufacture and storage is crucial for their therapeutic benefits.
Lactobacillus acidophilus CL1285, Lactobacillus casei LBC80R, and Lactobacillus rhamnosus CLR2 (Bio-K+): Characterization, Manufacture, Mechanisms of Action, and Quality Control of a Specific Probiotic Combination for Primary Prevention of Clostridium difficile Infection.
The specific probiotic formulation composed of Lactobacillus acidophilus CL1285, Lactobacillus casei LBC80R, and Lactobacillus rhamnosus CLR2 (Bio-K+) effectively reduces antibiotic-associated diarrhea and Clostridium difficile infection in humans.
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