Analysis of Antioxidant Capacity of Chromones in Saposhnikoviae Radix Obtained by Ultrasonic-Assisted Deep Eutectic Solvents Extraction

Figure 3

HPLC chromatograms of mixed standard solutions (a); DES test solutions (b); methanol test solutions (c); ethanol test solutions (d) (1: POG, 2: CIM, 3: 5OM).

(a)

(b)

(c)

(d)