4.6 Article

Dietary intervention with avocado (Persea americana Mill.) ameliorates intestinal inflammation induced by TNBS in rats

Journal

INFLAMMOPHARMACOLOGY
Volume 31, Issue 1, Pages 485-498

Publisher

SPRINGER BASEL AG
DOI: 10.1007/s10787-022-01128-2

Keywords

Inflammatory bowel disease; Persea americana Mill; Dietary intervention; Avocado pulp, anti-inflammatory activity

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This study evaluated the anti-inflammatory effects of avocado fruit pulp on intestinal inflammation in rats. The results showed that dietary intervention with 20% avocado pulp could reduce the severity of colonic lesions, inhibit the production of inflammatory factors, and did not cause adverse effects on biochemical or behavioral parameters in rats.
Nutritional interventions have been shown to be an interesting approach for the treatment of chronic diseases, including inflammatory bowel disease (IBD). Persea americana Mill. (avocado), is a potential food to be used for the prevention or treatment of intestinal inflammation, due to its nutritional value and pharmacological effects. In this study we evaluated if the dietary intervention with avocado fruit pulp could as an intestinal anti-inflammatory diet using a trinitrobenzenesulfonic acid (TNBS) model of intestinal inflammation in rats. For this purpose, 5, 10 or 20% of avocado fruit pulp was incorporated in the diet of rats, for 21 days before and 7 days after TNBS-induced intestinal inflammation. Dietary intervention with avo-cado fruit pulp (20%) decreased the extension of colonic lesions (1.38 +/- 0.99 vs. 2.67 +/- 0.76 cm), weight/length colon ratio (151.03 +/- 31.45 vs. 197.39 +/- 49.48 cm), inhibited myeloperoxidase activity (891.2 +/- 243.2 vs 1603 +/- 158.2 U/g), reduced tumor necrosis factor-alpha (53.94 +/- 6.45 vs. 114.9 +/- 6.21 pg/mg), interleukin-1 beta (583.6 +/- 106.2 vs. 1259 +/- 81.68 pg/mg) and interferon gamma (27.95 +/- 2.97 vs. 47.79 +/- 3.51 pg/mg) levels and prevented colonic glutathione depletion (2585 +/- 77.2 vs 1778 +/- 167.2 nmol/g). The consumption of enriched diet with 20% avocado pulp by 28 days did not promote any alterations in the biochemical or behavioral parameters evaluated. Avocado showed intestinal anti-inflammatory activity, modulating immune response, and acting as antioxidant. The dietary intervention with avocado was safe, suggesting its potential as a complementary treatment in intestinal inflammation.

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