| Autor: |
Marine Chambaud, Cyril Colas, Emilie Destandau |
| Jazyk: |
angličtina |
| Rok vydání: |
2023 |
| Předmět: |
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| Zdroj: |
Separations, Vol 10, Iss 8, p 433 (2023) |
| Druh dokumentu: |
article |
| ISSN: |
2297-8739 |
| DOI: |
10.3390/separations10080433 |
| Popis: |
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. |
| Databáze: |
Directory of Open Access Journals |
| Externí odkaz: |
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