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

Table 7 Predicted values of response variables at a given condition^a within the range of optimum extraction conditions

Response variables	Predicted values	Experimental values
Total polyphenol content (mg GAE/g)	4.58	4.52
Total anthocyanin content (mg C3GE/100 g)	42.28	43.02
Extraction yield (%)	5.76	5.87

^aGiven conditions: 40 °C extraction temperature, 8 h extraction time, 33 % in solid-liquid ratio, and 1:15 in solvent volume in conditions

ISSN: 2662-7671