Figure 2.
HPLC chromatograms of the sample solution under different conditions (1: luteolin-7-O-β-D-glucuronide; 2: apigenin-7-O-β-D-glucuronide; 3: diosmetin-7-O-β-D-glucuronide; 4: acacetin-7-O-β-D-glucuronide; 5: tilianin; 6: rosmarinic acid).
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