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Oral Administration of Lactobacillus curvatus HY7601 and Lactobacillus plantarum KY1032 with Cinnamomi Ramulus Extract Reduces Diet-Induced Obesity and Modulates Gut Microbiota

  • 2019-06-30
  • Preventive Nutrition and Food Science 24(2)
    • Woonhee Jeung
    • Woo Nam
    • Hyeonji Kim
    • Joo Yun Kim
    • Bora Nam
    • S. Jang
    • Jung-Lyoul Lee
    • J. Sim
    • Soo-Dong Park


Obesity is a major health issue worldwide, and is associated with many diseases including type 2 diabetes. In this study, we evaluated the anti-obesity effects of combinations of two lactic acid bacteria (LAB), Lactobacillus curvatus HY7601 and Lactobacillus plantarum KY1032, and Cinnamomi Ramulus (CR) extract, and explored the mechanism through which they modulate gut microbiota using diet-induced obese mice. Male C57BL/6J mice were randomly divided into five groups that received a high-fat diet (HFD), HFD and LAB (HFD+LAB), HFD and CR extract (HFD+CR), HFD with LAB and CR extract (HFD+LAB+CR), or normal diet for 10 weeks. The mice in the HFD+LAB+CR group showed significant reductions in body weight gain, in particular epididymal fat and liver, blood leptin levels, and an increase in the levels of blood adiponectin. In addition, the LAB and CR extract altered the gut microbiota, mainly increasing the alpha diversity. These results demonstrate that a mixture of two LAB (Lactobacillus curvatus HY7601 and Lactobacillus plantarum KY1032) and CR extracts alleviate HFD-induced obesity, and has potential of being used as a strategy for the treatment of obesity.

Keywords: Cinnamomi Ramulus; anti-obesity; gut microbiota; lactic acid bacteria.

Research Insights

SupplementHealth OutcomeEffect TypeEffect Size
Lactobacillus curvatusImproved Gut Microbiota DiversityBeneficial
Lactobacillus curvatusIncreased Adiponectin LevelsBeneficial
Lactobacillus curvatusReduced Blood Leptin LevelsBeneficial
Lactobacillus curvatusReduced Body WeightBeneficial
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