Scope: The aim of our work was to produce a hydroalcoholic extract of lentils and to examine (a) the hypocholesterolemic action in an animal model, by studying the plasma cholesterol level and the concentration of bile acids in the feces; (b) the potential prebiotic effect, by conducting an in vitro culture fermentation experiment and assessing the level of SCFAs in the feces of rats.
Methods And Results: Lentil extract (LE) was obtained by extracting lentils with a solution of H 0/EtOH (70/30 v/v) for 3 h, and the content of main nutrients was determined. After 71 days of diet-induced hypercholesterolemia in rats, LE reduced the cholesterol level of rats of 16.8% (p < 0.05) and increased the level of bile acids in the feces of rats (p < 0.01). LE revealed the same prebiotic activity of inulin and good bifidogenic activity, inasmuch as it enhanced the growth of Bifidobacterium spp. by 3 log (p < 0.05). The concentration of SCFAs in the feces of rats fed with LE increased during the time of the study.
Conclusion: This new hydroalcoholic extract obtained from lentils was shown to possess hypocholesterolemic and prebiotic properties, and could have interesting applications in the field of nutraceuticals.
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