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Impact of chickpea biofortification on the bioaccessibility of micronutrients and their relationship to obesity-linked biological activities.

Susana María Espriu-CorellaSayra Nayely Serrano-SandovalMarilena Antunes-Ricardo
Published in: Food chemistry (2024)
Micronutrient deficiencies are a critical factor in the development of obesity. This work aimed to determine the Se and Zn bioaccessibility on biofortified chickpea flour and evaluate their impact on the antioxidant and anti-inflammatory activities. The greatest increase (235 %) in isoflavones was observed in the ZnSO 4 -treatment compared to the control. Malonylated-formononetin-glucoside was the major isoflavone (43 %-50 %) found in the treatments. Na 2 SeO 3 -treated seeds showed the highest Se accumulation, while the greatest Zn accumulation was found in ZnSO 4 -treated seeds. Se bioaccesibility followed the order: Germinated Control>ZnSO 4  > ZnSeO 3  > ZnSO₄ + Na 2 SeO 3  > Na 2 SeO 3, while in the seeds biofortified with Zn salts showed the order: Germinated Control>ZnSeO 3  > ZnSO₄ + Na 2 SeO 3  > Na 2 SeO 3  > ZnSO 4 . All treatments showed antioxidant activity. Na 2 SeO 3 -treatment (15.625 μg/mL) showed a significant reduction of 52 % in NO production compared to the Germinated Control. These findings demonstrated the biological value of food biofortification in providing minerals in the diet to combat the oxidative stress characteristic of obesity.
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