NDLI: Supercritical $CO_{2}$ Extraction of Bioactive Compounds from Mango (Mangifera indica L.) Peel and Pulp

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Supercritical $CO_{2}$ Extraction of Bioactive Compounds from Mango (Mangifera indica L.) Peel and Pulp

Content Provider	MDPI
Author	Jos, é Villacís-Chiriboga Voorspoels, Stefan Uyttebroek, Maarten Ruales, Jenny Camp, John Van Vera, Edwin Elst, Kathy
Copyright Year	2021
Description	The potential of supercritical $CO_{2}$ $(SC-CO_{2}$) for the extraction of bioactive compounds from mango by-products was assessed. Carotenoid extraction was optimized using a design of experiments based on temperature (35, 55 and 70 °C), pressure (10 and 35 MPa) and co-solvent addition (0%, 10% and 20% of ethanol or acetone). Moreover, the co-extraction of phenolic acids, flavonoids and xanthonoids was evaluated in a subset of parameters. Finally, a comparison was made between $SC-CO_{2}$ and a two-step organic solvent extraction of the bioactive compounds from the pulp and peel fractions of two Ecuadorian varieties. The optimal extraction temperature was found to be dependent on the bioactive type, with phenolics requiring higher temperature than carotenoids. The optimal overall conditions, focused on maximal carotenoids recovery, were found to be 55 °C, 35 MPa and 20% of ethanol. The main carotenoid was β-carotene, while phenolics differed among the varieties. The bioactive content of the peel was up to 4.1-fold higher than in the pulp fraction. Higher antioxidant activity was found in the extracts obtained with organic solvents. $SC-CO_{2}$ is a promising technology for the isolation of valuable compounds from mango by-products.
Starting Page	2201
e-ISSN	23048158
DOI	10.3390/foods10092201
Journal	Foods
Issue Number	9
Volume Number	10
Language	English
Publisher	MDPI
Publisher Date	2021-09-17
Access Restriction	Open
Subject Keyword	Foods Carotenoids Phenolics Antioxidant Mango Supercritical Co2 Response Surface Optimization
Content Type	Text
Resource Type	Article

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