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Food Res Int ; 189: 114567, 2024 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-38876609

RESUMO

This work incorporated bioactives extracted from jabuticaba peel in the form of concentrated extract (JBE) and microencapsulated powders with maltodextrin (MDP) and gum arabic (GAP) in a dairy drink, evaluating its stability, in vitro bioaccessibility, and glycemic response. We evaluated the pH, acidity, colorimetry, total phenolics and anthocyanins, antioxidant capacity, degradation kinetics and half-life of anthocyanins, bioaccessibility, and postprandial glycemic physicochemical characteristics response in healthy individuals. The drinks incorporated with polyphenols (JBE, GAP, and MDP) and the control dairy drink (CDD) maintained stable pH and acidity over 28 days. In color, the parameter a*, the most relevant to the study, was reduced for all formulations due to degradation of anthocyanins. Phenolic and antioxidant content remained constant. In bioaccessibility, we found that after the gastrointestinal simulation, there was a decrease in phenolics and anthocyanins in all formulations. In the glycemic response, we observed that the smallest incremental areas of glucose were obtained for GAP and JBE compared to CDD, demonstrating that polyphenols reduced glucose absorption. Then, the bioactives from jabuticaba peel, incorporated into a dairy drink, showed good storage stability and improved the product's functional aspects.


Assuntos
Antocianinas , Antioxidantes , Goma Arábica , Polifenóis , Polissacarídeos , Polifenóis/análise , Humanos , Polissacarídeos/química , Antioxidantes/análise , Goma Arábica/química , Antocianinas/análise , Extratos Vegetais/química , Laticínios/análise , Glicemia/metabolismo , Frutas/química , Disponibilidade Biológica , Concentração de Íons de Hidrogênio , Digestão , Myrtaceae/química , Composição de Medicamentos , Índice Glicêmico , Feminino , Masculino , Adulto
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