Antioxidant and Antibacterial Assays on Polygonum minus Extracts: Different Extraction Methods

Table 3

Cosolvent effects on ternary mixture in carbon dioxide.

Cosolvent	Volume changes of liquid phase (mL)	Number of liquid phases	Final color of liquid phase
None	3.4–3.5	1	Clear
Water	0.1–0.2	1	Brown
Aqueous ethanol (50% v/v)	0.2	1	Brown
Aqueous methanol (80% v/v)	1.0−3.0	1	Green
Aqueous acetone (70% v/v)	4.4–4.6	2	Clear (top)
			Green (bottom)
Dichloromethane (DCM)	1.0–1.4	2	Clear (top)
			Brown (bottom)