Journal
ULTRASONICS SONOCHEMISTRY
Volume 89, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.ultsonch.2022.106102
Keywords
Aronia melanocarpa anthocyanins; Ultrasonic-microwave-assisted natural deep; eutectic solvent extraction; Response surface methodology; Composition identification; Antioxidant capacity
Categories
Funding
- Graduate Innovation Cultivation Project of Shenyang Agricultural University [2021YCXS12]
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A time-saving, efficient, and environmentally friendly ultrasonic-microwave-assisted natural deep eutectic solvent (UMAE-NADES) extraction method was developed for the extraction of anthocyanins from Aronia melanocarpa. The method achieved higher extraction rates and antioxidant capacities compared to traditional methods.
A time-saving, efficient, and environmentally friendly ultrasonic-microwave-assisted natural deep eutectic sol-vent (UMAE-NADES) extraction method was developed for the extraction of anthocyanins from Aronia mela-nocarpa. Eight different natural eutectic solvents were screened initially, and choline chloride-glycerol was selected as the extraction solvent. The extraction conditions were optimized using the response surface meth-odology, and the extraction rate of anthocyanins was higher than those achieved using the traditional ethanol method, natural deep eutectic solvent extraction method, and ultrasonic-microwave-assisted ethanol method. Six anthocyanins, including cyanidin-3-O-galactoside, cyanidin-3-O-glucoside, cyanidin-3-O-arabinoside, cyanidin-3-O-xyloside, cyanidin-3,5-O-dihexoside, and the dimer of cyanidin-hexoside were identified and extracted at a purity of 448.873 mg/g using high performance liquid chromatography-mass spectrometry (HPLC-MS). The compounds extracted using UMAE-NADES had higher antioxidant capacities than those extracted by the other three methods. The UMAE-NADES demonstrated significant efficiency toward the extraction of bioactive sub-stances and has potential utility in the food and pharmaceutical industries.
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