TABLE 2.

The content (mg/g) of nine components in different grades of RAS.

Grade	No.	Ferulic acid	Ligustilide	Senkyunolide I	Chlorogenic acid	Levistolide A	Uridine	Adenosine	Guanine	L-tryptophan
First grade	1	9.97	27.20	1.85	2.57	12.78	19.00	96.27	54.65	17.24
	2	13.90	18.37	2.48	3.39	11.84	18.38	80.12	53.60	18.02
	3	9.22	20.83	0.88	1.83	12.58	14.13	71.65	38.20	11.88
	4	12.19	24.93	1.81	2.62	13.09	13.12	57.09	34.39	9.42
	5	8.26	15.96	0.95	3.43	12.46	21.14	86.53	51.98	13.38
	6	10.47	23.61	1.38	3.32	13.17	21.83	90.40	57.89	15.97
	7	13.25	21.41	2.94	2.63	12.97	14.94	60.22	42.57	3.98
	8	12.83	21.66	1.74	4.99	12.84	18.58	95.48	53.49	14.01
Second grade	9	17.40	23.57	1.92	3.09	11.04	15.18	62.50	41.40	11.70
	10	11.06	32.84	1.79	2.36	13.72	7.23	60.67	39.21	11.76
	11	14.25	19.59	2.45	4.13	12.43	15.92	82.70	53.08	9.79
	12	16.62	20.36	1.39	1.36	12.68	11.67	71.13	34.90	23.13
	13	6.52	16.98	0.87	3.41	12.97	11.54	67.11	39.48	10.79
	14	8.68	14.93	1.03	2.44	10.78	13.20	50.06	45.97	8.20
	15	12.78	21.04	1.34	3.47	13.48	15.84	85.54	42.70	14.32
	16	14.35	28.88	1.43	2.34	13.92	12.08	76.37	38.05	18.01
Third grade	17	15.50	31.56	3.58	3.71	13.09	20.93	82.93	51.92	18.02
	18	9.44	23.19	4.11	4.43	14.12	21.82	92.86	59.63	12.54
	19	13.36	34.74	1.43	2.91	14.18	20.46	111.55	58.18	14.54
	20	14.57	17.16	2.16	7.88	13.81	19.65	71.87	45.18	9.51
	21	13.85	29.20	2.90	4.71	13.42	19.19	94.86	54.75	13.70
	22	11.62	26.08	3.96	2.93	13.35	24.01	71.22	46.01	10.60
	23	11.05	21.98	4.64	6.79	15.07	13.34	81.86	37.77	12.56
Fourth grade	24	5.48	11.90	1.85	3.92	13.16	22.12	73.00	58.22	17.73
	25	13.74	20.27	1.64	7.03	13.46	13.47	81.79	46.06	12.79
	26	6.94	19.40	2.97	5.02	13.37	11.76	69.16	48.28	7.88
	27	8.98	16.07	2.37	9.01	13.24	11.69	54.19	42.11	10.79
	28	9.80	20.48	2.76	8.20	12.32	21.48	79.59	60.84	14.06
	29	10.80	21.07	1.14	3.47	13.97	14.64	99.98	44.04	12.23
	30	10.70	17.08	2.50	12.27	13.21	15.58	72.25	43.72	14.02