Table 2.
Equation, determination coefficient, linear range, and compounds content of nine compounds of Fructus Gardeniae extract.
| Analyte | Regression Equation (Liner Model) | Linear Range(µg/mL) | R2 | Content (mg/g) |
|---|---|---|---|---|
| Shanzhiside | y = 14.21x + 18.97 | 3.8–190 | 0.9992 | 2.12 ± 0.11 |
| Geniposidic acid | y = 12.96x + 48.43 | 4.4–220 | 0.9994 | 4.84 ± 0.15 |
| Gardenoside | y = 8.60x + 17.56 | 3–150 | 0.9993 | 4.04 ± 0.02 |
| Genipin-1-gentiobioside | y = 7.28x − 26.28 | 11.8–590 | 0.9999 | 8.41 ± 0.50 |
| Chlorogenic acid | y = 33.06x − 32.16 | 2.4–120 | 0.9992 | 1.14 ± 0.49 |
| Geniposide | y = 11.30x + 51.55 | 16.2–810 | 0.9999 | 46.6 ± 1.14 |
| Crocin-1 | y = 18.24x + 15.99 | 10–500 | 0.9997 | 13.9 ± 1.47 |
| Crocin-2 | y = 15.24x + 62.03 | 8–400 | 0.9996 | 3.1 ± 0.48 |
| Crocetin | y = 15.07x + 54.47 | 7.8–390 | 0.9993 | 0.81 ± 0.15 |
R2: correlation coefficient of regression equations. Content (mg/g): The compounds content is calculated according to Fructus Gardeniae crude drug quantity. Values are expressed as mean ± SD (n = 3).