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. 2020 Jan 4;25(1):210. doi: 10.3390/molecules25010210

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