Table 1.
Compounds | Equation (Linear Model) | Linear range (mg/mL) | r2b |
Contents of samples (mg/g) |
|
---|---|---|---|---|---|
2(J) | 3(K) | ||||
Geniposidic acid (1) | y=15653x−8.6413a | 0.0005–0.3 | 0.9994 | N.D.d | 0.8550c± 0.0053e |
Mulberroside A (2) | y=17678x−2.2325 | 0.0005–0.3 | 0.9996 | 0.9890 ± 0.0148 | N.D. |
Piceid (3) | y=45033x + 9.3566 | 0.0005–0.3 | 0.9996 | 0.0050 ± 0.0005 | N.D. |
Astragalin (4) | y=23600x−0.1268 | 0.0005–0.3 | 0.9998 | 0.1686 ± 0.0014 | N.D. |
Complanatoside A (5) | y=21095x + 75.464 | 0.0005–0.2 | 0.9919 | 0.7774 ± 0.0033 | N.D. |
Marmesin (6) | y=27912x + 1.3803 | 0.0005–0.3 | 0.9996 | 0.0033 ± 0.0000 | N.D. |
Aurantio-obtusin (7) | y=75897x + 58.075 | 0.0005–0.1 | 0.9986 | N.D. | 0.0069 ± 0.0002 |
Schizandrin A (8) | y=23828x + 3.1979 | 0.0005–0.3 | 0.9996 | 0.7598 ± 0.0032 | 0.3228 ± 0.0008 |
Obtusifolin (9) | y=53012x + 13.024 | 0.0005–0.05 | 0.9982 | N.D. | 0.0002 ± 0.0001 |
ay is the peak area and x is the concentration (mg/mL) of the component.
br2 is the correlation coefficient of the equation with 12 indicated points except 5 (11points), 7 (10points) and 9 (9points).
cAll values are mean obtained by quadruple analysis (n = 4).
dN.D: not detected.
eMean ± SD.