Journal of Analytical Methods in Chemistry

Research Article

Quantitative Analysis of Six Phenolic Acids in Artemisia capillaris (Yinchen) by HPLC-DAD and Their Transformation Pathways in Decoction Preparation Process

Table 4

The contents (%) and transfer rate (%) of six constituents (n = 2).


Sample no.	1^c			2			3			4			5			6
Sample no.	YC^a (%)	YCD^b (%)	Transfer rate^d (%)	YC (%)	YCD (%)	Transfer rate (%)	YC (%)	YCD (%)	Transfer rate (%)	YC (%)	YCD (%)	Transfer rate (%)	YC (%)	YCD (%)	Transfer rate (%)	YC (%)	YCD (%)	Transfer rate (%)

1	0.039	0.069	175.4	1.024	0.261	25.4	0.064	0.089	138.2	0.045	0.029	63.0	0.088	0.046	52.7	0.310	0.048	15.4
2	0.025	0.034	140.0	0.651	0.185	28.5	0.040	0.049	121.9	0.036	0.028	78.7	0.076	0.040	52.7	0.188	0.052	27.8
3	0.036	0.102	283.7	1.450	0.242	16.7	0.067	0.112	166.0	0.026	0.021	82.8	0.092	0.047	51.3	0.254	0.042	16.5
4	0.033	0.060	184.2	1.237	0.169	13.7	0.052	0.072	136.9	0.018	0.013	72.9	0.077	0.045	58.0	0.198	0.049	25.0
5	0.060	0.055	92.9	1.413	0.174	12.3	0.104	0.068	65.6	0.017	0.018	109.7	0.108	0.049	45.1	0.494	0.062	12.5
6	0.046	0.031	66.9	1.408	0.155	11.0	0.070	0.043	62.1	0.041	0.012	29.4	0.116	0.030	26.2	0.338	0.038	11.3
7	0.040	0.035	88.7	1.075	0.115	10.7	0.067	0.044	65.4	0.027	0.012	44.6	0.097	0.040	41.5	0.442	0.050	11.3
8	0.40	0.049	124.9	1.135	0.183	16.1	0.059	0.064	109.1	0.019	0.015	77.2	0.081	0.044	54.3	0.299	0.051	17.2
9	0.18	0.019	102.6	0.908	0.085	9.4	0.038	0.026	66.5	0.049	0.016	32.3	0.075	0.021	28.4	0.180	0.029	16.3
10	0.046	0.048	104.7	1.023	0.160	15.7	0.057	0.058	103.0	0.045	0.020	44.1	0.067	0.050	74.2	0.271	0.062	22.9
11	0.027	0.043	161.4	0.786	0.080	10.2	0.045	0.045	98.1	0.017	0.013	75.4	0.073	0.035	47.6	0.315	0.033	10.4
12	0.029	0.025	84.3	0.565	0.090	15.9	0.024	0.105	430.6	0.038	0.018	46.6	0.053	0.016	29.5	0.162	0.018	11.2
Average value	0.036	0.048	134.1	1.056	0.158	15.5	0.057	0.064	130.3	0.032	0.018	63.1	0.084	0.039	46.8	0.288	0.045	16.5

^aYC, Yinchen herb (Artemisia capillaris Thunb.). ^bYCD, Yinchen decoction. ^cThe analysts are the same as in Figure 2. ^dTransfer rate (%) = quality of index constituents in YC decoction/quality of index constituents in YC herbs × 100.