2. Extraction Parameters of Each Scenario Evaluated in the Multistep Extraction of PC from the Yerba Mate Leaves.

scenario	conventional	two-stage	four-stage
number of stages	1	2	4
volume per stage (mL)	100	100	100
total volume (mL)	100	200	400
mass of yerba mate leaves (g)	0.5	1.0	2.0
global solid–liquid ratio (g 100 mL–1)	0.5	0.5	0.5
time per stage (min)	120	60	30
total time (min)	120	120	120

^aConventional single-stage extraction scenario.