Subcritical Water Extraction of Chlorella pyrenoidosa: Optimization through Response Surface Methodology

Table 1

Levels of independent variables used for optimization.

Independent variables	Levels
A: Reaction temperature (°C)	170	220	270	320	370
B: Reaction time (min)	1	5	10	15	20
C: Biomass loading (%)	1	3	5	10	15