Analysis of the Correlation between Commodity Grade and Quality of Angelica sinensis by Determination of Active Compounds Using Ultraperformance Liquid Chromatography Coupled with Chemometrics

Table 3

Contents of ferulic acid, phthalides, and average weight of A.  sinensis for different commercial grades.

Grade	Ferulic acid; mg/g	Senkyunolide A; mg/g	n-Butylphthalide; mg/g	Ligustilide; mg/g	Butylidenephthalide; mg/g	Average weight; g
1st	1.061	0.226	0.442	3.121	1.306	28.429
1st	1.094	0.215	0.551	3.002	1.589	42.592
1st	0.842	0.099	0.194	2.540	0.847	34.265
1st	0.405	0.101	0.340	2.060	0.717	33.457
1st	1.364	0.301	0.153	3.379	1.431	54.81
1st	0.113	0.055	0.255	0.440	0.097	57.253
1st	0.059	0.054	0.284	0.400	0.121	74.985
2nd	1.198	0.086	0.468	3.215	1.309	27.598
2nd	1.496	0.235	0.244	4.243	1.603	79.09
2nd	0.056	0.020	0.343	0.431	0.103	52.095
3rd	0.622	0.141	0.365	2.695	1.295	41.63
3rd	0.836	0.829	0.411	5.551	2.146	31.045
3rd	1.389	0.142	0.226	3.582	1.362	116.31
3rd	0.15	0.052	0.258	0.588	0.065	84.52
3rd	0.049	0.019	0.313	0.497	0.083	92.35
4th	0.653	0.090	0.311	2.596	0.865	39.605
4th	0.185	0.092	0.27	0.552	0.051	56.053
4th	0.978	0.189	0.258	3.396	1.509	45.748
4th	1.085	0.077	0.310	3.081	1.053	37.943