. 2022 Nov 20;27(22):8061. doi: 10.3390/molecules27228061

Table 3.

The second order regression equation for TPC and inhibition % of DPPH of each extraction technique and the R-squared of each equation.

Extraction Technique	R² (Percent)	Equation
WB	90.45	TPC = 1.55 + 0.01E − 0.24t −0.01T − 0.0002E² + 0.002Et + 0.0002ET + 0.02t² + 0.0002tT + 0.00002T²
WB	93.26	Inhibition % of DPPH = 87.46 − 0.69E − 13.03t − 0.35T + 0.002E² + 0.02Et + 0.007ET + 1.81t² + 0.03tT + 0.002T²
IRAE	91.08	TPC = 0.22 + 0.01E + 1.12t + 0.002T − 0.0001E² − 0.004Et + 0.0002ET − 0.28t² − 0.007tT + 0.00007T²
IRAE	92.24	Inhibition % of DPPH = −15.95 + 0.17E + 30.92t + 1.31T − 0.009E² − 0.06Et + 0.01ET − 4.69t² − 0.27tT − 0.01T²