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Article Dans Une Revue Separations Année : 2023

Water-Based Microwave-Assisted Extraction of Pigments from Madder Optimized by a Box–Behnken Design

Résumé

Water is one of the greenest and most accessible solvents. To harness its potential, the water-based microwave-assisted extraction (MAE) of pigments from madder was optimized by the response surface methodology (RSM) using a Box–Behnken experimental design. The extract that presented both the highest extraction yield and the most intense color was obtained after a 30-s cycle at 1000 W using 100 mg of madder for 20 mL of water. This water-based MAE was more efficient than Soxhlet extraction and proved comparable to hydroalcoholic MAE. The optimized extract was further characterized using UHPLC-HRMS/MS to identify its main compounds. Glycosylated flavonoids and anthraquinones were putatively identified, as well as free anthraquinones, generally found in madder. The microwave-assisted extraction extended the range of polarity of the extracted compounds, making the water more versatile.
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Origine : Publication financée par une institution
Licence : CC BY - Paternité

Dates et versions

hal-04270158 , version 1 (03-11-2023)

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Paternité

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Marine Chambaud, Cyril Colas, Emilie Destandau. Water-Based Microwave-Assisted Extraction of Pigments from Madder Optimized by a Box–Behnken Design. Separations, 2023, 10 (8), pp.433. ⟨10.3390/separations10080433⟩. ⟨hal-04270158⟩
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