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- Title
Protective Effect of Gochujang on Inflammation in a DSS-Induced Colitis Rat Model.
- Authors
Mahoro, Patience; Moon, Hye-Jung; Yang, Hee-Jong; Kim, Kyung-Ah; Cha, Youn-Soo; Kim, Jong-Sang
- Abstract
Gochujang is a traditional Korean fermented soy-based spicy paste made of meju (fermented soybean), red pepper powder, glutinous rice, and salt. This study investigated the anti-inflammatory effects of Gochujang containing salt in DSS-induced colitis. Sprague–Dawley (SD) rats were partitioned into five groups: normal control, DSS control, DSS + salt, DSS + mesalamine, and DSS + Gochujang groups. They were tested for 14 days. Gochujang improved the disease activity index (DAI), colon weight/length ratio, and colon histomorphology, with outcomes similar to results of mesalamine administration. Moreover, Gochujang decreased the serum levels of IL-1β and IL-6 and inhibited TNF-α, IL-6, and IL-1β mRNA expression in the colon. Gochujang downregulated the expression of iNOS and COX-2 and decreased the activation of NF-κB in the colon. Gochujang induced significant modulation in gut microbiota by significantly increasing the number of Akkermansia muciniphila while decreasing the numbers of Enterococcus faecalis and Staphylococcus sciuri. However, compared with the DSS group, the salt group did not significantly change the symptoms of colitis or cytokine levels in serum and colon. Moreover, the salt group significantly decreased the gut microflora diversity. Gochujang mitigated DSS-induced colitis in rats by modulating inflammatory factors and the composition of gut microflora, unlike the intake of salt alone.
- Subjects
ANIMAL disease models; COLITIS; INFLAMMATORY bowel diseases; PEPPERS; ENTEROCOCCUS faecalis; GUT microbiome
- Publication
Foods, 2021, Vol 10, Issue 5, p1072
- ISSN
2304-8158
- Publication type
Article
- DOI
10.3390/foods10051072