Simulated digestion of the pigmented legumes’ (black chickpea (Cicer arietinum L.) and brown lentil (Lens culinaris Medikus)) phenolics to estimate their bioavailability

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Abstract This study simulated the gastrointestinal digestions of black chickpea (BC) and brown lentil (BL). BC phenolics were better retained (an increase of 35.1%) than the BL phenolics (a loss of 7.4%) after cooking. In contrast, the remaining flavonoids after cooking were higher in BL (about 47%). TAA (Total antioxidant activity) of free fractions increased in BC and BL samples by cooking. After in vitro GID, moderate levels of flavonoids were detected in colon (OUT) fractions. TAA levels correlated well with total flavonoids. TAA by the CUPRAC assay was higher in cooked and in vitro GID BC and BL samples. Catechin was the most abundant compound detected in BC samples, while gallic acid was for BL. BC and BL, have unique and superior benefits for health when compared with the conventional legumes. The possible interactions between their remaining phenolics and other bioactives in the colon are promising for their widespread consumption.

Ce résumé expose les affirmations des auteurs. BNTIC ne l’interprète pas comme une validation indépendante des résultats.