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. 2022 Dec 24;8(12):e12571. doi: 10.1016/j.heliyon.2022.e12571

Figure 1.

Figure 1

HPLC chromatograms of 4 different extracts from R. rugosa. Waters Xtterra C18 reverse phase column (250 × 4.6mm, 5μm) was used with gradient elution of 0.1% formic acid water solution and methanol. The gradient elution was from 0% methanol to 100% methanol in 70 min at the flow rate of 1 mL/min.