Table 1. Coded level of independent variables used in experiment design for microencapsulation of caramel flavor

Variables	Coded Xi	Coded level
		−1	0	+1
Ratio of core to primary coating material	X1	1.0:9.0	2.5:7.5	4.0:6.0
Ratio of primary emulsion to secondary coating material	X2	1.0:9.0	2.5:7.5	4.0:6.0