Determination of the content of rosmarinic acid by HPLC and analytical comparison of volatile constituents by GC-MS in different parts of Perilla frutescens (L.) Britt

Table 3 Recoveries of the described method for RA in different parts of P. frutescens

Sample	Trial	Sample weigh (g)	Spiked amount (mg)	Cal. conc (mg/L)	Cal. total amount (mg)	Amount in sample (mg)	Cal. spiked amount (mg)	Recovery (%)
Perillae Caulis (PCa-01)	1	0.5038	0.1672	12.7781	0.3195	0.1660	0.1535	91.79
	2	0.5019	0.1672	12.7081	0.3177	0.1653	0.1524	91.12
	3	0.5014	0.1672	12.7228	0.3181	0.1652	0.1529	91.44
	Mean	91.45
	SD	0.34
	RSD (%)	0.37
Perillae Folium (PFo-01)	1	0.5023	0.4703	37.0332	0.9258	0.4600	0.4658	99.05
	2	0.5026	0.4703	37.2100	0.9302	0.4603	0.4700	99.93
	3	0.5027	0.4703	37.3131	0.9328	0.4604	0.4725	100.46
	Mean	99.81
	SD	0.71
	RSD (%)	0.71
Perillae Fructus (PFr-01)	1	0.5043	1.0090	83.4811	2.0870	1.1388	0.9482	93.98
	2	0.5021	1.0090	83.7794	2.0945	1.1338	0.9607	95.21
	3	0.5043	1.0090	84.9101	2.1228	1.1388	0.9840	97.52
	Mean	95.57
	SD	1.80
	RSD (%)	1.88

ISSN: 2661-801X