Article (Scientific journals)
Optimization of microwave-ultrasound- assisted extraction (MUAE) of pectin from dragon fruit peels using natural deep eutectic solvents (NADES)
Nguyen Ngoc Thanh Tien; Ngoc Lieu Le; Tran Tien Khoi et al.
2022In Journal of Food Processing and Preservation, 46 (1), p. 16117
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Abstract :
[en] The aim of this research is to define promising green techniques and natural deep eutectic solvents (NADESs) for pectin extraction from dragon fruit (Hylocereus polyrhizus) peels with the aid of the Box-Behnken design. Among all possible methods and solvents in this study, the highest pectin yield was recorded for microwave-ultrasound-assisted extraction (MUAE) using the solvent system of choline chloride–glucose– water (5:2:5). Under the optimized condition including liquid/solid ratio of 35.25 ml/g, water/NADES ratio of 3.37 ml/ml, microwave irradiation of 14.26 min at 240 W followed by sonication of 46.07 min, the pectin yield was 19.39%. The obtained product could be verified as high methoxyl pectin with the degree esterification of 50.77% and as a pseudoplastic substance with the flow behavior index of 0.14. As a result, a combination of MUAE and NADES on pectin extraction from dragon fruit peels can favor a higher yield with desirable quality. Novelty impact statement: The system of choline chloride-glucose-water can be used as an eco-friendly solvent for pectin extraction. The sequential employment of microwave and ultrasound could provide better efficiency than their individual techniques. The combination of screening and the Box-Behnken design could help deal with a large number of process variables, resulting in milder operation conditions with desirable product quality.
Disciplines :
Chemistry
Author, co-author :
Nguyen Ngoc Thanh Tien  ;  Université de Liège - ULiège > Gembloux Agro-Bio Tech
Ngoc Lieu Le;  International University - Vietnam National University Ho Chi Minh City - HCMIU > Department of Food Technology
Tran Tien Khoi;  International University, Ho Chi Minh City, Vietnam
Richel, Aurore  ;  Université de Liège - ULiège > Département GxABT > SMARTECH
Language :
English
Title :
Optimization of microwave-ultrasound- assisted extraction (MUAE) of pectin from dragon fruit peels using natural deep eutectic solvents (NADES)
Publication date :
January 2022
Journal title :
Journal of Food Processing and Preservation
ISSN :
0145-8892
eISSN :
1745-4549
Publisher :
Wiley-Blackwell, Hoboken, United States - New Jersey
Volume :
46
Issue :
1
Pages :
e16117
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
ARES - Académie de Recherche et d'Enseignement Supérieur [BE]
Funding number :
Académie de recherche et d'enseignement supérieur, Grant/Award Number: PRD 2019
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