The Content Variation of Four Active Components in Amygdalus persica L. during Different Harvesting Periods

Table 3

Test results of sample recovery (n = 9).

Compounds	Mass (sample)/g	Mass (original)/μg	Mass (added)/μg	Mass (found)/μg	Recovery/%	Average recovery/%	RSD/%
Rutin	1.0006	25.98	12.99	38.94	99.77	99.64	0.43
	1.0025	26.00	12.99	38.93	99.54
	1.0017	25.98	12.99	38.98	100.08
	1.0015	25.97	25.98	51.94	99.96
	1.0014	25.97	25.98	51.67	98.92
	1.0024	26.00	25.98	51.94	99.85
	1.0019	25.98	38.97	64.79	99.59
	1.0035	26.02	38.97	65.01	100.05
	1.0027	26.00	38.97	64.58	99.00
5-O-Coumaroylquinic acid methyl ester	1.0016	30.50	15.25	45.63	99.21	99.20	0.83
	1.0020	30.51	15.25	45.76	100.00
	1.0016	30.50	15.25	45.38	97.57
	1.0025	30.53	30.5	60.58	98.52
	1.0024	30.53	30.5	60.80	99.25
	1.0037	30.57	30.5	61.03	99.87
	1.0018	30.51	45.75	76.35	100.20
	1.0014	30.50	45.75	76.00	99.45
	1.0023	30.52	45.75	75.70	98.75
Chlorogenic acid butyl ester	1.0028	81.32	40.66	122.40	101.03	98.96	1.33
	1.0016	81.22	40.66	121.68	99.51
	1.0026	81.30	40.66	121.70	99.36
	1.0017	81.23	81.32	160.30	97.23
	1.0033	81.36	81.32	161.67	98.76
	1.0025	81.30	81.32	161.86	99.07
	1.0019	81.25	121.98	203.78	100.45
	1.0020	81.26	121.98	199.83	97.20
	1.0027	81.31	121.98	200.93	98.07
Kaempferol	1.0012	19.09	9.55	28.57	99.27	99.35	1.03
	1.0007	19.08	9.55	28.46	98.22
	1.0014	19.10	9.55	28.58	99.27
	1.0026	19.12	19.1	38.48	101.36
	1.0009	19.09	19.1	38.03	99.16
	1.0026	19.12	19.1	37.87	98.17
	1.0013	19.10	28.65	47.57	99.37
	1.0023	19.11	28.65	47.43	98.85
	1.0030	19.13	28.65	47.92	100.49