Table 6.

Analytical results of the recovery of the method.

Components	Theoretical yield (mg)	Actual yield (mg)	Recovery (%)	RSD (%)
Chrysophanol-8-O-β-D-glucoside	0.6041	0.6023	99.37	1.25
	0.6030	0.6019	99.61
	0.6056	0.5986	97.48
	0.6036	0.6072	101.29
	0.6008	0.5974	98.77
	0.5991	0.5969	99.19
Emodin-8-O-β-D-glucoside	0.4750	0.4839	104.44	0.71
	0.4752	0.4852	104.97
	0.4756	0.4817	103.05
	0.4751	0.4832	104.05
	0.4752	0.4847	104.73
	0.4753	0.4853	104.99
Aloe-emodin-3-(hydroxymethyl)-O-β-D-glucoside	0.2021	0.2043	102.28	1.76
	0.202	0.2029	100.91
	0.2019	0.2037	101.86
	0.202	0.2017	99.67
	0.2021	0.2038	101.71
	0.2024	0.2001	97.59
Physcion-8-O-β-D-glucoside	0.3075	0.3101	101.83	1.40
	0.3074	0.3126	103.63
	0.308	0.3141	104.30
	0.3074	0.3086	100.86
	0.3081	0.3144	104.44
	0.3076	0.3111	102.46
Aloe-emodin	0.3624	0.3652	101.93	0.69
	0.363	0.3660	102.11
	0.3627	0.3673	103.23
	0.3622	0.3650	101.96
	0.3628	0.3676	103.31
	0.3624	0.3648	101.68
Rhein	0.7172	0.7212	101.48	0.98
	0.7161	0.7201	101.47
	0.717	0.7243	102.69
	0.7161	0.7271	104.09
	0.7179	0.7229	101.85
	0.7176	0.7227	101.87
Emodin	0.7063	0.7182	104.06	0.51
	0.7065	0.7184	104.07
	0.7058	0.7189	104.49
	0.7061	0.7194	104.53
	0.7065	0.7164	103.37
	0.7075	0.7172	103.31
Chrysophanol	1.4813	1.4985	102.53	0.80
	1.4743	1.4994	103.70
	1.4756	1.5003	103.63
	1.4759	1.4957	102.91
	1.4305	1.4611	104.82
	1.4305	1.4568	104.14
Physcion	0.5074	0.5161	103.93	0.50
	0.5074	0.5146	103.24
	0.5089	0.5146	102.56
	0.5077	0.5142	102.93
	0.5080	0.5141	102.77
	0.5078	0.5135	102.59