From: Phytochemical profiles, antioxidant and antimicrobial activities of three Potentilla species
Peak no. | Compounds | Regression equation | Precision experiment | Repeatability | Recovery experiment | |||
---|---|---|---|---|---|---|---|---|
Area of peak | RSD (%) | Area of peak | RSD (%) | Average recovery rate (%) | RSD (%) | |||
4 | (+)-catechin | y = 2004.7x - 25.13(R2 = 0.9973) | 83.12 ± 0.61 | 0.73 | 12.82 ± 0.22 | 1.74 | 101.54 ± 3.08 | 1.03 |
7 | Caffeic acid | y = 146577x + 12.70(R2 = 0.9998) | 323.05 ± 1.83 | 1.32 | 285.04 ± 2.94 | 2.94 | 102.66 ± 2.96 | 2.88 |
10 | Ferulic acid | y = 141714x - 14.70(R2 = 0.9998) | 416.81 ± 0.92 | 1.88 | 32.85 ± 0.87 | 1.32 | 105.95 ± 2.44 | 2.3 |
13 | Hyperoside | y = 66172x + 37.96(R2 = 0.9986) | 960.32 ± 5.22 | 2.11 | 5801.02 ± 17.51 | 2.66 | 105.72 ± 1.56 | 1.48 |
14 | Rutin | y = 43663x + 30.06(R2 = 0.9964) | 89.79 ± 0.65 | 0.76 | 239.68 ± 7.85 | 0.65 | 96.21 ± 0.34 | 0.36 |
16 | Ellagic acid | y = 62654x - 82.44(R2 = 0.9999) | 101.25 ± 1.43 | 0.93 | 181.42 ± 2.40 | 3.28 | 102.60 ± 1.20 | 1.17 |