Characterization of the Phytochemical Constituents of Taif Rose and Its Antioxidant and Anticancer Activities

Figure 2

Total ion chromatogram of ten phenolic compound standards using LC-ESI negative mass spectrometry: Catechin (S1); taxifolin (S2); quercetin-3-glcucose-(1→6)-gallic acid (S3); rutin (S4); quercetin 3-O-β-D-glucoside (S5); quercetin 3-O-α-rhamnoside (S6); kaempferol 3-O-β-D-glucoside (S7); kaempferol 3-O-α-rhamnoside (S8); quercetin (S9); and Apigenin (S10).