文章基本信息

标题：Supercritical CO ₂ Extraction of Bioactive Compounds from Mango ( Mangifera indica L.) Peel and Pulp
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作者：José Villacís-Chiriboga ; Stefan Voorspoels ; Maarten Uyttebroek 等
期刊名称：Foods
电子版ISSN：2304-8158
出版年度：2021
卷号：10
期号：9
DOI：10.3390/foods10092201
语种：English
出版社：MDPI Publishing
摘要：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.
关键词：encarotenoids;phenolics;antioxidant;mango;supercritical CO2;response surface optimization