Research Article
Analysis of Antioxidant Capacity of Chromones in Saposhnikoviae Radix Obtained by Ultrasonic-Assisted Deep Eutectic Solvents Extraction
Table 1
The types of prepared DES.
| | No. | Component (1) | Component (2) | N : N | H2O | Status (normal temperature) |
| | DES-1 | Choline chloride | Maltose | 1 : 1 | — | Viscous liquid | | DES-2 | Choline chloride | Maltose | 1 : 1 | 30% | Transparent liquid | | DES-3 | Choline chloride | L-Alanine | 1 : 1 | — | Solid | | DES-4 | Choline chloride | PL-Malic acid | 1 : 1 | — | Viscous liquid | | DES-5 | Choline chloride | PL-Malic acid | 1 : 1 | 30% | Transparent liquid | | DES-6 | Choline chloride | Betaine | 1 : 1 | — | Solid | | DES-7 | Choline chloride | Lactic acid | 1 : 2 | — | Transparent liquid | | DES-8 | Choline chloride | Fructose | 1 : 1 | — | Viscous liquid | | DES-9 | Choline chloride | Fructose | 1 : 1 | 30% | Transparent liquid | | DES-10 | Choline chloride | Phenol | 1 : 3 | — | Transparent liquid | | DES-11 | Choline chloride | Glycerol | 1 : 2 | — | Transparent liquid | | DES-12 | Choline chloride | Propylene glycol | 1 : 2 | — | Transparent liquid | | DES-13 | Choline chloride | Xylitol | 1 : 1 | — | Viscous liquid | | DES-14 | Choline chloride | Xylitol | 1 : 1 | 30% | Transparent liquid | | DES-15 | Choline chloride | Urea | 1 : 2 | — | Transparent liquid | | DES-16 | Choline chloride | Acetic acid | 1 : 2 | — | Transparent liquid | | DES-17 | Choline chloride | Citric acid | 1 : 2 | — | Viscous liquid | | DES-18 | Choline chloride | Citric acid | 1 : 2 | 30% | Transparent liquid |
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