Table 3: The significance of temperature, pressure, extraction time, CO₂ flow rate, and grinding procedure on the SFE yield of eugenol from clove.

T (oC)	P (bar)	t (min)	d (mm)	F (g/min)	Grinding procedure	Change of Eugenol yield	Reference
40 → 60	250	90	0.5	3.64	Usual	112%	[17]
60	250 → 500	90	0.5	3.64	Usual	16%	[17]
60	250	90 → 150	0.5	3.64	Usual	15%	[17]
30 → 50	300	120	3# → 1#	3.64	Usual	34%	[12]
50	100 → 300	120	2# → 1#	3.64	Usual	19%	[12]
30 → 50	100 → 300	120	1#	3.64	Usual	24%	[12]
40	200	140	0.355	0.4 → 0.9	Usual	36%	[18]
40	200	140	0.355	0.9 → 1.8	Usual	37%	[18]
40	150	15	0.44 → 0.37	6.18	A → E	17%	Current study