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

Table 3

Method validation data for ten phenolic compounds by RP-HPLC-ESI-MS.

Peak number	Compounds	Sample loading linearity range (𝜇g)	Regression equation	Correlation coefficient (𝑟)
S1	Catechin	0.1–0.8	𝑦=9𝐸+06𝑥+2𝐸+06	0.878
S2	Taxifolin	0.1–0.8	𝑦=2𝐸+07𝑥+121352	0.998
S3	Quercetin-3-glucose-(1→6)-gallic acid	0.05–0.4	𝑦=4𝐸+07𝑥+181397	0.990
S4	Rutin	0.05–0.4	𝑦=3𝐸+07𝑥−37568	0.997
S5	Quercetin 3-O-𝛽-D-glucoside	0.05–0.4	𝑦=4𝐸+07𝑥+209464	0.995
S6 & S7	Quercetin 3-O-𝛼-rhamnoside; + Kaempferol 3-O-β-D-glucoside	0.1–0.8	𝑦=3𝐸+07𝑥+1𝐸+06	0.998
S8	Kaempferol 3-O-α-rhamnoside	0.05–0.4	𝑦=2𝐸+07𝑥+123327	0.997
S9	Quercetin	0.025–0.2	𝑦=4𝐸+07𝑥−191266	0.998
S10	Apigenin	0.025–0.2	𝑦=5𝐸+07𝑥+573546	0.996