Table 2.

Intra-day and inter-day variations of analytes in Pyrrosiae Folium sample (Batch 1).

Analyte	Inter-Day (n = 3)
	Day 1		Day 2		Day 3		Mean ± SD a	RSD (%)
	Mean ± SD a	RSD (%)	Mean ± SD a	RSD (%)	Mean ± SD a	RSD (%)
1	4426.51 ± 43.32	0.98	4453.84 ± 50.76	1.14	4471.57 ± 34.61	0.77	4450.64 ± 45.01	1.01
2	165.53 ± 1.49	0.90	167.74 ± 2.37	1.41	168.41 ± 1.45	0.86	167.23 ± 2.59	1.27
3	421.83 ± 5.39	1.28	424.56 ± 4.18	0.99	424.45 ± 2.18	0.51	423.61 ± 4.10	0.97
4	189.11 ± 4.56	2.40	182.85 ± 3.78	2.06	183.91 ± 3.42	1.85	185.29 ± 4.66	2.50
5	246.56 ± 5.69	2.31	244.02 ± 5.78	2.37	241.47 ± 5.72	2.37	244.02 ± 5.79	2.37

^a Data are microgram compounds per gram crude drug.