ArticleFrontiers in nutrition2026
Dietary carotenoids and vitamin A are associated with lower gastric cancer risk and favorable inflammatory and oxidative stress biomarkers: an incident case- control study.
Article in Frontiers in nutrition, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: Dietary carotenoids and vitamin A may contribute to gastric cancer (GC) prevention through anti-inflammatory and antioxidant mechanisms; however, epidemiological evidence remains limited. We investigated the associations of total and individual carotenoid and vitamin A intakes with GC and their relationships with inflammatory/oxidative stress biomarkers. Methods: The case-control study included 177 adults (82 GC incidence cases/95 controls). A validated 168-item food frequency questionnaire assessed dietary intakes of individual carotenoids and preformed vitamin A. Metabolic biomarkers, lipid profile, inflammatory/oxidative stress markers [e.g., high-sensitivity C-reactive protein (hs-CRP), tumor necrosis factor-alpha (TNF- Results: Total carotenoid (mg/d; OR: 0.86, 95%CI: 0.81-0.98), Conclusion: Higher intakes of total carotenoids and vitamin A were associated with lower odds of GC and more favorable profiles of inflammatory/oxidative stress biomarkers. These findings support an inverse association between carotenoid-rich dietary patterns and gastric carcinogenesis.
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