Table 1.

Operative conditions used for the solvent extraction of aromas and bioactive compounds from the selected plant matrices.

Matrix		Target compound	Extraction solvent	Extraction conditions
Vanilla pods		Vanillin	60% Ethanol-water (v/v)	S/L = 1:20 (g/ml)
				T = 25°C
				Time = 3 h
			Propylene glycol	S/L = 1:20 (g/ml)
				T = 25°C
				Time = 3 h
Cocoa bean shells		Caffeine	40% Ethanol-water (v/v)	S/L = 1:30 (g/ml)
				T = 40°C
				Time = 2 h
		Theobromine
			Propylene glycol	S/L = 1:30 (g/ml)
				T = 40°C
				Time = 2 h
Vermouth mixture		Linalool	99.9% Ethanol-water (v/v)	S/L = 1:20 (g/ml)
				T = 40°C
				Time = 4 h
			Propylene glycol	S/L = 1:20 (g/ml)
				T = 40°C
				Time = 4 h
Orange peels		Limonene	99.9% Ethanol-water (v/v)	S/L = 1:20 (g/ml)
				T = 40°C
				Time = 3 h
			Propylene glycol	S/L = 1:30 (g/ml)
				T = 40°C
				Time = 3 h

S/L, solid to liquid ratio.