Abstract
Chilean papaya is grown in Central Chile and is considered to be an important source of fiber, sugars, and antioxidants. The effect of different vacuum drying temperatures (40, 50, 60, 70, and 80 °C) on the composition of papaya pulp was evaluated. The inhibitory effect of papaya extracts on α-glucosidase activity, as a regulator of blood sugar, was also evaluated. Drying reduced water activity of the pulp to less than 0.6, thereby, assuring the product stability, while maintaining simple sugars, vitamin C, and total flavonoids. Total phenolic content and antioxidant capacity by DPPH assay increased with respect to the fresh pulp by 1.5 and 2.6 times, respectively. The inhibitory effect of papaya extracts on α-glucosidase was evaluated by determining the IC50 for each sample and the acarbose equivalents. The results indicate the suitability of the dried extract of Chilean papaya as a regulator of glucose metabolism in Type II diabetes patients.
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Acknowledgments
The authors gratefully acknowledge the Project FONDECYT 1170601 for providing financial support for the publication of this research.
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The authors gratefully acknowledge the financial support of the Project FONDECYT N° 1170601 of the Comision Nacional de Investigacion Cientıfica y Tecnologica, (CONICYT, Chile).
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Antonio Vega-Gálvez: Validation of methodology and data analysis/Funding acquisition/Supervision/Direction. Jacqueline Poblete: Methodology/Data collection and processing/writing/editing. Rodrigo Rojas-Carmona: Methodology/Data collection and processing. Elsa Uribe: Investigation/Methodology/Validation/Supervision. Alexis Pastén: Conceptualization/Data analysis validation/Writing, review and editing. María Gabriela Goñi: Conceptualization/Supervision/Formal Data Analysis and Validation/Visualization/Writting, review and editing.
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Vega-Gálvez, A., Poblete, J., Rojas-Carmona, R. et al. Vacuum drying of Chilean papaya (Vasconcellea pubescens) fruit pulp: effect of drying temperature on kinetics and quality parameters. J Food Sci Technol 58, 3482–3492 (2021). https://doi.org/10.1007/s13197-021-05005-8
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DOI: https://doi.org/10.1007/s13197-021-05005-8