Table 2.

Precision, repeatability and stability (%RSD) of method

Analytes	Intra-day precision RSD%						Inter-day		Repeatability	stability
	Day 1		Day 2		Day 3		RSD % (n = 6)		RSD % (n = 6)	RSD % (n = 6)
	R t	P a	R t	P a	R t	P a	R t	P a	P a	P a
Loganic acid	0.63	1.49	1.03	1.57	0.98	2.51	0.58	1.67	1.33	2.36
Mangiferin	0.77	2.40	1.16	1.54	1.21	1.32	0.76	1.85	1.45	2.61
Sweroside	0.88	1.78	0.69	1.81	0.94	2.61	0.79	2.76	1.67	2.58
Swertiamarin	1.02	1.36	0.87	1.56	1.06	2.11	1.07	1.21	0.98	2.27
gentiopicroside	0.91	1.35	0.69	2.07	0.83	2.13	1.03	1.66	0.74	1.97

R_t: retention times.

P_a: peak areas.