Determination of the Chemical Composition and Antimicrobial Activity of Lavatera thuringiaca L. Medicinal Herb Material Extracted under Subcritical Conditions by the Liquid Carbon Dioxide Method

Table 2

Extract yield at different parameters of subcritical and supercritical extraction.

Extraction samples obtained (thick extract)	Parameters				Extract yield (g) (%)
	Weight of the plant material (g)	Working pressure (atmospheres)	Extraction process temperature (°С)	Extraction progress time (hours)
Subcritical CO2 extraction (thick extract)
No. 1	2,000	51	21	11	25 (1.25)
No. 2	1,900	56	18	7	12 (0.63)
No. 3	1,850	60	20	9	10 (0.54)
No. 4	1,800	63	21	10	7 (0.38)
No. 5	1,700	65	21	11	6 (0.35)
Supercritical CO2 extraction (thick extract)
No. 1	2,000	98.69	50	More than 1	12 (0.63)