Application of Full Factorial Design in Optimization of Solvent-Free Microwave Extraction of Ginger Essential Oil

Table 4

Setting goal for each factor and response for formulation of optimization and selected optimized optimum conditions.

Factors/response	Goal	Selected optimum conditions
		Coded	Actual
Extraction time (min.)	In range	1	30 min
Microwave power (w)	In range	1	640 watts
Sample type	In range	1	Crushed sample
Oil yield	Maximum	0.45%	0.45%