Introduction
Lactobacillus rhamnosus is a type of bacteria that has garnered attention in the field of Probiotics, which are live microorganisms that, when administered in adequate amounts, confer a health benefit on the host. Specifically, L. rhamnosus is noted for its role in promoting gastrointestinal health. As a resident of the human gut and vagina, it plays a part in the complex ecosystem of microbes that coexist within your body. The health benefits associated with L. rhamnosus include its potential to relieve symptoms of common digestive disorders, such as diarrhea and irritable bowel syndrome (IBS). Moreover, it is known to produce lactic acid, which aids the digestion of lactose, the sugar found in milk. Its implications go beyond the gut, with evidence suggesting it can influence dental health, potentially helping to prevent cavities.
In consuming L. rhamnosus through food sources like certain yogurts and fermented products or as a dietary supplement, you might be supporting the balance of your gut flora. This, in turn, may bolster your overall immune system and contribute to maintaining a healthy digestive tract. However, it’s important to stay informed of the correct dosages and potential side effects to optimize the benefits.
Lacticaseibacillus rhamnosus, previously recognized as Lactobacillus rhamnosus, is a noteworthy species in the vast world of gut flora. As a Gram-positive bacterium, you can distinguish it by its thicker peptidoglycan cell wall, which stains purple during the Gram staining procedure.
The bacterium is homofermentative, meaning it primarily ferments sugars to lactic acid. With its facultative anaerobic nature, it thrives with or without oxygen. Here’s what its growth preferences look like:
- Oxygen Requirement: Facultative anaerobic
- Fermentation: Homofermentative
- Morphology: Rod-shaped
You’ll find L. rhamnosus naturally colonizing the human gastrointestinal and vaginal tracts. It falls under the category of probiotics for its beneficial role in your gut health—resisting stomach acid and bile—to establish itself in the lower gastrointestinal tract. Here’s a quick glimpse at its probiotic profile:
- Resistance: Stomach acid and bile
- Adhesion: Ability to implant on intestinal epithelial cells (IECs)
- Habitat: Gastrointestinal and vaginal tracts
The species gained a separate identity due to its genetic distinctiveness within the L. casei clade, which also includes L. paracasei and L. zeae. Its genetic makeup entails versatility, which enables its survival and functional activity within your body’s complex microbiome.
Lactobacillus rhamnosus is a probiotic strain that offers various health advantages, focusing primarily on digestive health, immune function, and combating inflammation and allergies.
Dosing
Probiotic bacteria are measured by the number of living organisms per capsule, known as colony-forming units (CFU). A typical L. rhamnosus supplement holds approximately 10 billion live bacteria — or 10 billion CFU — per capsule.
For general health, 1 capsule containing at least 10 billion live bacteria is sufficient.
To help prevent antibiotic-related diarrhea, take 2 capsules of L. rhamnosus GG daily providing 10 billion live bacteria or 1 capsule with over 20 billion live bacteria .
Take the probiotic supplement a few hours after your antibiotic(s), then continue for at least one week after your course of antibiotics to help restore a healthy gut.
Dosage guidelines have not been established for other uses of L. rhamnosus, but experts suggest that a similar daily dose may be appropriate.
Keep in mind that L. rhamnosus is sometimes added to dairy products — such as yogurts and milk — to boost their probiotic content and to cheeses to aid the ripening process.
Storage
- The survivability of Lactobacillus rhamnosus decreases with increasing storage temperature and time. For example, one study found that the inactivation rate of L. rhamnosus GG increased by about four times when the storage temperature increased.
- Storage medium
The survival of Lactobacillus rhamnosus can vary depending on the medium it's stored in. For example, one study found that Lactobacillus rhamnosus strains survived better in peach jam than in peach synthetic medium.
Microencapsulation can help improve the storage stability of Lactobacillus rhamnosus. For example, one study found that microencapsulated L. rhamnosus GG with alginate–pectin–flaxseed mucilage had the highest viability after four weeks of storage at 4°C。
More;
Lactiplantibacillus plantarum/ Lactobacillus salivarius/ Lactobacillus gasseri.
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