Lactobacillus Reuteri NCIMB 30242 Reduces Bad Cholesterol by 11.64%

probiotic lowers cholesterolRaised LDL-C (low-density lipoprotein-cholesterol or bad cholesterol) levels constitute one of the major factors predisposing to cardiac disease. LDL-C reflects the mass of cholesterol contained within the LDL molecule.

Besides their vast gut-related health benefits, probiotics containing L. reuteri NCIMB 30242 target cardiovascular disease owing to their distinctive quality of lowering the LDL-C levels.

 

How does L. reuteri reduce LDL-C levels?

L reuteri NCIMB 30242 classically demonstrates bile salt hydrolase (BSH) activity, an enzyme that accelerates deconjugation (cleaves the covalent bonding) of bile acids. [1]

 

What are Bile Acids and what is Conjugation/Deconjugation of Bile Acids?

Bile acids are the products of cholesterol breakdown (catabolism) and are produced in the liver. Bile acids then conjugate (form a bond) with two amino acids, namely glycine and taurine, and are transported to the intestine. These conjugated bile acids are water-soluble and enhance the absorption of cholesterol into the bloodstream.

 

 L. reuteri Prompts Deconjugation

On the contrary, since the BSH activity of the lactobacillus cleaves the bond of bile acids with amino acids (prompts deconjugation), it renders cholesterol less soluble and less absorbable. Additionally, the water-insoluble, deconjugated bile acids are not excreted in the urine but in feces. In an attempt to compensate for the lost deconjugated bile acids, cholesterol is used up to produce more bile acids. This eventually represents another pathway for cholesterol reduction. [2]

Moreover, the lactobacillus species entrap cholesterol in the intestine, impeding its outflow into the blood, which is instead flushed out via feces. [1]

Probiotic lowers cholesterol

Clinical Evidence of L. reuteri as a Cholesterol-lowering agent

The application of L. reuteri as a therapy for high cholesterol levels is gathering attention from the researchers and experts worldwide. The researchers at the Canadian Department of Biomedical Engineering reported a reduction in the LDL-C levels by 11.64% following consumption of L. reuteri capsules for nine weeks. Also noted, was a rise in the blood levels of deconjugated bile acids and substantial reduction in cholesterol-derived substances. [3]

Another study published in the British Journal of Nutrition showed a significant drop in LDL-C of nearly 9 % after feeding L. reuteri NCIMB 30242-yoghurt formulation to 114 individuals with increased blood cholesterol values. [4]

Further identified is the role of L. reuteri NCIMB 30242 in increasing the levels of vitamin D, a heart-protective vitamin. [5] Other than improving the high blood pressure, it appears that vitamin D may lower the LDL-C levels to some extent. [6]

 

Summing up

In a nutshell, L. reuteri NCIMB 30242 lowers the blood cholesterol levels by decreasing cholesterol absorption and augmenting cholesterol’s elimination from the body. L. reuteri NCIMB 30242 is the strain of probiotic used in Microbiome Plus Probiotics.

 

Written by:

Dr. Rasheed Huma

 

References

  1. Choi SB, Lew LC, Yeo SK et al. Probiotics and the BSH-related cholesterol lowering mechanism: a Jekyll and Hyde scenario. Crit Rev Biotechnol. 2015;35(3):392-401. doi: 10.3109/07388551.2014.889077.
  2. Jones ML, Chen H, Ouyang W, Metz T, Prakash S. Microencapsulated Genetically Engineered Lactobacillus plantarum 80 (pCBH1) for Bile Acid Deconjugation and Its Implication in Lowering Cholesterol. Journal of Biomedicine and Biotechnology. 2004;2004(1):61-69. doi:10.1155/S1110724304307011.
  3. Jones ML, Martoni CJ, Prakash S. Cholesterol lowering and inhibition of sterol absorption by Lactobacillus reuteri NCIMB 30242: a randomized controlled trial. European Journal of Clinical Nutrition. 2012;66(11):1234-41. doi: 10.1038/ejcn.2012.126.
  4. Jones ML, Martoni CJ, Parent M, Prakash S. Cholesterol-lowering efficacy of a microencapsulated bile salt hydrolase-active Lactobacillus reuteri NCIMB 30242 yoghurt formulation in hypercholesterolaemic adults. British Journal of Nutrition. 2012;107(10):1505-13. doi: 10.1017/S0007114511004703.
  5. Jones ML, Martoni CJ, Prakash S. Oral supplementation with probiotic L. reuteri NCIMB 30242 increases mean circulating 25-hydroxyvitamin D: a post hoc analysis of a randomized controlled trial. The Journal of Clinical Endocrinology and Metabolism. 2013;98(7):2944-51. doi: 10.1210/jc.2012-4262.
  6. Schnatz PF, Jiang X, Vila-Wright S et al. Calcium/vitamin D supplementation, serum 25-hydroxyvitamin D concentrations, and cholesterol profiles in the Women’s Health Initiative calcium/vitamin D randomized trial. Menopause. 2014;21(8):823-33. doi: 10.1097/GME.0000000000000188.

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