Table 1.
Calibration curves of the three triterpenic acids studied, and the respective retention times (min) and the coefficients of correlation (R2).
Retention Time (min) | Calibration Curve | R2 | |
---|---|---|---|
UA | 11.2 | y = 4487847.76x + 2541.49 | 0.997 |
BA | 10.2 | y = 4175298.99x − 7379.03 | 0.995 |
OA | 10.7 | y = 3664880.72x − 98403.86 | 0.991 |