Affiliation:
1. Department of Agraria, Mediterranea University of Reggio Calabria, 89122 Reggio Calabria, Italy
2. Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, 87036 Rende, Italy
Abstract
This work investigated the phytochemical content and bioactivity of Lycium barbarum collected in Calabria and evaluated, for the first time, the possibility of enriching traditional ciabatta bread with goji fresh flesh puree. For this purpose, goji flesh puree, bread, and bread enriched with 20% and 40% goji flesh puree (G20 and G40 samples, respectively) were subjected to several analyses. Selected compounds were quantified by UHPLC analysis in both goji fresh flesh puree and after simulation of the cooking process. The impact of the addition on key enzymes (lipase, α-amylase, and α-glucosidase) related to metabolic syndrome was assessed together with the antioxidant properties. Texture, colourimetric, and sensory analyses on enriched bread were performed to evaluate consumer acceptance. Despite cooking, the enriched bread maintained good levels of bioactive compounds compared to the berry pulp alone (p < 0.01). The enriched bread showed the ability to protect against lipid peroxidation, with IC50 values of 6.88 and 6.52 μg/mL for samples G20 and G40, respectively, after incubation for 30 min (p < 0.01). Although less active than the control, the enriched bread showed inhibitory activities against the enzymes involved in the digestion of carbohydrates. From a sensory point of view, the addition of goji fresh pulp puree slightly modified the appearance but not the flavour and taste of the bread. Collectively, our results support the potential healthy function of this baked product.
Subject
Plant Science,Health Professions (miscellaneous),Health (social science),Microbiology,Food Science
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