Table 1.

Recovery rates of the five components in R. rugosa.

Component	Original (mg/g)	Added (mg/g)	Found (mg/g)	Recovery Rate (%)	RSD (%)
Gallic acid	0.200	0.050	0.249	98.0%	1.6
	0.200	0.100	0.299	99.0%	1.8
	0.200	0.200	0.402	101.0%	1.0
Ellagic acid	0.460	0.120	0.573	94.2%	1.3
	0.460	0.230	0.683	97.0%	2.0
	0.460	0.460	0.904	96.5%	2.1
Hyperoside	118.870	29.720	148.030	98.1%	1.3
	118.870	59.430	177.370	98.4%	0.9
	118.870	118.870	236.910	99.3%	1.5
Astragalin	0.340	0.080	0.423	103.8%	0.9
	0.340	0.170	0.507	98.2%	2.1
	0.340	0.340	0.671	97.4%	1.7
Kaempferol-3-O-sophoroside	0.120	0.030	0.149	96.7%	2.3
	0.120	0.060	0.178	96.7%	1.9
	0.120	0.120	0.234	95.0%	1.4