Effects of two Lactobacillus strains on lipid metabolism and intestinal microflora in rats fed a high-cholesterol diet
2011

Effects of Lactobacillus on Cholesterol and Gut Health in Rats

Sample size: 40 publication Evidence: moderate

Author Information

Author(s): Xie Ning, Cui Yi, Yin Ya-Ni, Zhao Xin, Yang Jun-Wen, Wang Zheng-Gen, Fu Nian, Tang Yong, Wang Xue-Hong, Liu Xiao-Wei, Wang Chun-Lian, Lu Fang-Gen

Primary Institution: Xiangya Second Hospital, Central South University

Hypothesis

The study aims to evaluate the effects of Lactobacillus plantarum 9-41-A and Lactobacillus fermentum M1-16 on lipid metabolism and intestinal microflora in rats fed a high-cholesterol diet.

Conclusion

Lactobacillus supplementation has hypocholesterolemic effects in rats fed a high-cholesterol diet, with varying effectiveness among strains.

Supporting Evidence

  • Rats given Lactobacillus had lower cholesterol levels compared to those without.
  • Lactobacillus plantarum 9-41-A showed a greater reduction in body weight gain.
  • Fecal cholesterol and bile acids increased in LAB-treated groups.

Takeaway

This study shows that certain good bacteria can help lower cholesterol and improve gut health in rats that eat a lot of fat.

Methodology

Forty rats were divided into four groups and fed either a normal or high-cholesterol diet, with two groups receiving Lactobacillus strains for six weeks.

Limitations

The study only used one type of rat, which may limit the generalizability of the results.

Participant Demographics

Male Sprague-Dawley rats, aged 5 weeks.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1472-6882-11-53

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