© Ofelia Marquez Molina, Jesús Abraham Domínguez-Avila, Leticia Xochitl Lopez-Martínez, Sunil Pareek, Tomas Jesús Madera Santana, Gustavo Adolfo González Aguilar. This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Citation:
Marquez Molina O, Domínguez-Avila JA, Lopez-Martínez LX, Pareek S, Madera Santana TJ, González Aguilar GA (2023) Valorization of tropical fruit peel powders: Physicochemical composition, techno-functional properties, and in vitro antioxidant and antidiabetic activities. Emirates Journal of Food and Agriculture 35(6): 577-587. https://doi.org/10.9755/ejfa.2023.v35.i6.3105 |
This study aims to evaluate the physico-chemical composition, techno-functional properties and in vitro antioxidant and antidiabetic activities of papaya, pineapple and mango peels for their possible use as functional ingredients. The peel powders were found to possess interesting techno-functional properties, high dietary fiber content (37.77 to 62.26%) and phenolic compounds, namely gallic, ferulic, and p-coumaric acid, catechin, quercetin-3-β-d-glucoside and quercetin. They also showed excellent antioxidant activity, as determined by ABTS (3.63 to 29.8 µM TE/g), DPPH (5.76 to 35.3 µM TE/g), NO (60.67 to 86.35%) and O (17.56 to 50.64%). Mango peel powders presented the best ability to inhibit the activity of the different enzymes evaluated: modest α-amylase inhibition (51.40%), stronger α-glucosidase inhibitory activities (70.32%), and moderate antiglycation potential (57.15%). Peel powders of these tropical fruits make them suitable to be used as food ingredients with possible health benefits, improving intestinal function and controlling hyperglycemia. Further studies require animal models and, subsequently, in humans.
Keywords: Bioactivities; Nutritional value; Peels; Techno-functional properties; Tropical fruits