Table 3. Correlation and coefficient of determination (R2) between enzyme (X) and time (Y) in Tenebrio molitor and Gryllus bimaculatus hydrolysates

Protein hydrolysates Quadratic polynomial model R2
Degree of hydrolysis Tenebrio molitor Y1=-937.91+1,231.30X1+1,123.75X2+408.21X3+541.93X1X2-31.31X1X3-47.25X2X3-1,097.44X12-1,048.93X22-43.29X32 0.9584
Gryllus bimaculatus Y1=626-14.82X1-55.88X2+14.91X3-+37.54X1X2-19.7X1X3-32.23X2X3-92.64X12-97.12X22-174.20X32 0.9653
X1: Alcalase concentration (%, w/w) , X2: Flavourzyme concentration (%, w/w), X3: Time (hr)
Y1: Available amino acid concentration (µg/mL).