Table 2.

Experimental range and values of independent variables in the central composite design for optimizing the manufacturing conditions of octopus pulpo a La Gallega.

Independent Variables		Symbol	Range Level
			−1.682	−1	0	+1	+1.682
Sous vide treatment condition	Temp. (°C)	X 1	70.0	76.0	85.0	94.0	100.0
	Time (min)	X 2	69.5	90.0	120.0	150.0	170.5
Vinegar conc. (%)		X 3	0.2	0.3	0.5	0.7	0.8