Table 1.

The impact of temperature and pressure on solubility of ursolic acid and β-sitosterol in supercritical carbon dioxide.

Temperature (°C)	Pressure (MPa)	Ursolic Acid Solubility (mg/L)	β-Sitosterol Solubility (mg/L)
40	10	nd	7.02
40	20	1.12	42.1
40	30	2.43	62.1
60	10	nd	0.82
60	20	6.69	147
60	30	12.8	374
80	10	nd	1.24
80	20	16.4	352
80	30	72.3	1420

nd—not detected.