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

Table 4

Aldehyde components detection in P. minus extract using gas chromatography.

Cosolvent	Yield^* (%)	Aldehyde components
		Decanal ( min)	Undecanal ( min)	Dodecanal ( min)
None	1.8–3.7	/	—	—
Water	2.4–3.6	/	/	—
Aqueous ethanol (50% v/v)	0.1–0.7	/	/	/
Aqueous methanol (80% v/v)	2.9–5.7	/	—	/
Aqueous acetone (70% v/v)	4.7–7.4	/	—	/
Dichloromethane (DCM)	4.3–7.6	—	—	—

Average yield at different pressure.