Fermented Foods and Their Abating Role in Gastric Ulcers

J Am Nutr Assoc. 2022 Nov-Dec;41(8):826-830. doi: 10.1080/07315724.2021.1962768. Epub 2021 Aug 17.


Helicobacter pylori plays a consequential role in gastric inflammations and ulceration. The cure for the same was researched and identified to be the triple therapy regime. Intensive research in the field also proved that altering the food habits during ulcers will be a major factor in the time period that is required for cure. Fermented foods usage dates back to ancient civilizations, but their role in maintaining gastric health are slowly being uncovered. One such major role reported will be the bacterial check that the probiotics in fermented food do in human gastrointestinal tract. Various species of bacteria present in the fermented products will lead to reduction of the H. Pylori infection in the GI tract.Key teaching pointsMicrobes that are active in fermented foods reduce inflammation and improve histological conditions of ulcers caused due to H. pylori.Microbes such as Lactobacillus that were in fermented products when tested showed inhibitory effects, decreasing infection density and reducing mucus depletion.Lactic fermented products showed a decrease in urease activity and reduces H. pylori adhesion through various organic acid secretions.Organisms in fermented products involve various mechanisms like lowering gut pH, improving immunological responses, scavenging free radicals and so on.Fermented foods have many modulatory effects that help fighting and curing gastric ulcers.

Keywords: Helicobacter pylori; fermented foods; gastric inflammation; gastric ulcer; probiotics.

MeSH terms

  • Fermented Foods*
  • Helicobacter Infections*
  • Helicobacter pylori*
  • Humans
  • Stomach Ulcer* / microbiology
  • Ulcer