Deep Eutectic Solvents (DESs)-Ultrasonic-Assisted Extraction of Paeoniflorin and Paeonol from Moutan Cortex

Table 3

Precision and method accuracy.

Components	Weigh quantity/g	Original/μg	Addition/μg	Measured/μg	Recovery rate/%	Average recovery rate/%
Paeoniflorin	0.0245	111.517	122.800	231.162	97.43	98.59
	0.0248	112.883	122.800	231.993	97.00
	0.0256	116.524	122.800	241.418	101.70
	0.0261	118.800	122.800	238.754	97.68
	0.0253	115.159	122.800	234.942	97.54
	0.0244	111.062	122.800	234.059	100.16
Paeonol	0.0245	109.844	121.000	228.764	98.28	99.00
	0.0248	111.189	121.000	233.175	100.82
	0.0256	114.775	121.000	234.281	98.77
	0.0261	117.017	121.000	234.546	97.13
	0.0253	113.430	121.000	232.583	98.47
	0.0244	109.395	121.000	231.015	100.51