Regulatory efficacy of fermented plant extract on the intestinal microflora and lipid profile in mildly hypercholesterolemic individuals

J Food Drug Anal. 2017 Oct;25(4):819-827. doi: 10.1016/j.jfda.2016.10.008. Epub 2016 Dec 3.

Abstract

In recent years, the use of fermented plant products to protect against various metabolic syndromes has been increasing enormously. The objective of this study was to check the regulatory efficacy of fermented plant extract (FPE) on intestinal microflora, lipid profile, and antioxidant status in mildly hypercholesterolemic volunteers. Forty-four mildly hypercholesterolemic individuals (cholesterol 180-220 mg/dL) were recruited and assigned to two groups: experimental or placebo. Volunteers were requested to drink either 60 mL of FPE or placebo for 8 weeks. Anthropometric measurements were done in the initial, 4th, 8th, and 10th weeks. The anthropometric parameters such as body weight, body fat, and body mass index were markedly lowered (p<0.05) on FPE intervention participants. Moreover, the total antioxidant capacity and total phenolics in plasma were considerably increased along with a reduction (p<0.05) in total cholesterol (TC) and low-density lipoprotein cholesterol (LDL-c) after FPE supplementation. Participants who drank FPE showed a pronounced increase (p<0.05) in the number of beneficial bacteria such as Bifidobacterium spp. and Lactobacillus spp., whereas the number of harmful bacteria such as Escherichia coli and Clostridium perfringens (p<0.05) were concomitantly reduced. Furthermore, the lag time of LDL oxidation was substantially ameliorated in FPE-administered group, thus indicating its antioxidative and cardioprotective properties. Treatment with FPE substantially improved the intestinal microflora and thereby positively regulated various physiological functions by lowering the anthropometric parameters, TC, and LDL-c, and remarkably elevated the antioxidant capacity and lag time of LDL oxidation. Therefore, we recommended FPE beverage for combating hypercholesterolemia.

Keywords: anthropometric parameters; antioxidant capacity; fermented plant extract; intestinal microflora; lipid profile.

Publication types

  • Randomized Controlled Trial

MeSH terms

  • Adult
  • Anticholesteremic Agents / administration & dosage
  • Anticholesteremic Agents / chemistry
  • Bacteria / classification
  • Bacteria / genetics
  • Bacteria / isolation & purification*
  • Bacteria / metabolism
  • Female
  • Fermentation
  • Gastrointestinal Microbiome*
  • Humans
  • Hypercholesterolemia / metabolism
  • Hypercholesterolemia / microbiology*
  • Intestinal Mucosa / metabolism
  • Intestines / microbiology*
  • Lipids / chemistry*
  • Male
  • Middle Aged
  • Plant Extracts / administration & dosage*
  • Plant Extracts / chemistry
  • Plant Extracts / metabolism

Substances

  • Anticholesteremic Agents
  • Lipids
  • Plant Extracts