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Table 6 Regression analysis for regression model of physiochemical properties in extraction condition of Zea mays L.

From: Optimization of extraction parameters of PTP1β (protein tyrosine phosphatase 1β), inhibitory polyphenols, and anthocyanins from Zea mays L. using response surface methodology (RSM)

Response variables F-radioa
X1 X2 X3 X4
Total polyphenol content (mg GAE/g) 3.76 2.60 3.12 3.15
Total anthocyanin content (mg C3GE/100 g) 1.90 4.29 2.83 2.98
Extraction yield (%) 8.09 3.34 0.40 3.44
  1. aX1, extraction temperature (°C); X2, extraction time (hour); X3, solid-liquid ratio (%); X4, solvent volume (1:X)