Comparative Study of the Flavonoid Content in Radix Scutellaria from Different Cultivation Areas in China

Table 3

Content of main flavonoids (mg·g⁻¹) and the total flavonoids (TFs, %) in the sample.

Sample	Scutellarin	Baicalin	Scutellarein	Wogonoside	Baicalein	Wogonin	Chrysin	Oroxylin A	TCEF	TF
HQ-1	6.038 ± 0.082	160.114 ± 1.093	2.653 ± 0.231	9.420 ± 0.730	15.001 ± 1.095	4.574 ± 0.420	2.291 ± 0.187	1.904 ± 0.173	201.995	9.386
HQ-2	6.897 ± 1.063	150.800 ± 0.568	2.943 ± 0.411	9.714 ± 1.271	15.590 ± 0.874	4.840 ± 0.536	2.388 ± 0.046	1.792 ± 0.025	194.963	10.963
HQ-3	6.280 ± 0.392	147.888 ± 0.485	2.753 ± 0.177	9.068 ± 0.449	15.226 ± 0.289	4.337 ± 0.238	2.420 ± 0.111	1.807 ± 0.093	189.778	9.314
HQ-4	6.979 ± 0.416	166.238 ± 0.640	3.257 ± 0.034	10.047 ± 0.381	14.820 ± 0.469	4.446 ± 0.269	1.961 ± 0.131	1.828 ± 0.109	209.575	11.285
HQ-5	7.281 ± 0.048	194.956 ± 0.941	3.752 ± 0.041	11.82 ± 0.107	16.609 ± 0.078	4.993 ± 0.053	2.641 ± 0.058	2.041 ± 0.031	244.094	12.952
HQ-6	7.856 ± 0.016	159.858 ± 0.661	3.723 ± 0.051	9.038 ± 0.243	6.168 ± 0.033	1.444 ± 0.011	1.973 ± 0.016	1.071 ± 0.012	191.129	7.229
HQ-7	2.882 ± 0.037	108.092 ± 0.396	2.498 ± 0.056	5.244 ± 0.073	4.609 ± 0.043	1.011 ± 0.018	1.601 ± 0.002	0.799 ± 0.007	126.737	4.052
HQ-8	6.029 ± 0.330	114.696 ± 0.283	2.480 ± 0.200	5.332 ± 0.503	4.758 ± 0.169	1.694 ± 0.070	1.260 ± 0.040	1.310 ± 0.038	137.559	4.366
HQ-9	6.713 ± 0.336	141.735 ± 0.409	3.132 ± 0.105	6.027 ± 0.189	7.452 ± 0.269	3.054 ± 0.134	1.397 ± 0.049	1.424 ± 0.056	170.933	5.733
HQ-10	2.867 ± 0.054	171.291 ± 0.943	2.766 ± 0.143	11.572 ± 0.752	2.992 ± 0.039	0.822 ± 0.028	0.700 ± 0.001	0.227 ± 0.003	193.237	4.527
HQ-11	5.140 ± 0.065	141.157 ± 0.097	2.152 ± 0.093	7.869 ± 0.640	10.809 ± 0.285	3.449 ± 0.076	1.113 ± 0.083	0.816 ± 0.075	172.505	6.305
HQ-12	8.582 ± 0.064	162.409 ± 0.180	4.270 ± 0.095	9.756 ± 0.232	6.632 ± 0.168	1.337 ± 0.009	2.276 ± 0.064	1.047 ± 0.011	196.310	7.804
HQ-13	4.193 ± 0.457	160.339 ± 1.190	3.479 ± 0.020	8.447 ± 0.532	5.854 ± 0.380	1.164 ± 0.052	2.380 ± 0.133	0.987 ± 0.066	186.843	5.648
HQ-14	6.677 ± 0.267	144.045 ± 0.458	3.898 ± 0.036	8.876 ± 0.205	3.888 ± 0.112	0.621 ± 0.108	1.865 ± 0.214	0.540 ± 0.006	170.409	5.155
HQ-15	3.293 ± 0.320	84.129 ± 0.490	1.398 ± 0.096	4.640 ± 0.168	2.584 ± 0.026	0.648 ± 0.043	1.017 ± 0.247	0.378 ± 0.131	98.088	2.867
HQ-16	8.405 ± 0.079	180.185 ± 1.196	3.910 ± 0.254	10.991 ± 0.623	10.794 ± 0.345	3.509 ± 0.215	2.091 ± 0.123	1.274 ± 0.077	221.159	9.735
HQ-17	6.731 ± 0.266	133.749 ± 0.250	3.133 ± 0.028	7.381 ± 0.030	5.300 ± 0.080	1.168 ± 0.043	2.228 ± 0.081	0.974 ± 0.030	160.665	5.134
HQ-18	6.977 ± 0.268	161.894 ± 0.555	3.325 ± 0.304	9.798 ± 1.416	16.066 ± 0.195	5.012 ± 0.551	1.991 ± 0.213	1.745 ± 0.189	206.808	12.159
HQ-19	7.246 ± 0.180	154.120 ± 1.237	3.102 ± 0.207	7.965 ± 0.127	15.030 ± 0.004	5.103 ± 0.073	2.506 ± 0.028	1.319 ± 0.021	196.391	9.318
HQ-20	1.057 ± 0.292	46.972 ± 0.062	1.221 ± 0.052	2.378 ± 0.128	0.993 ± 0.077	0.245 ± 0.007	0.438 ± 0.031	0.027 ± 0.016	53.330	1.988
HQ-21	5.414 ± 0.246	138.679 ± 1.45	3.436 ± 0.640	6.880 ± 0.742	9.930 ± 0.846	3.018 ± 0.132	1.398 ± 0.080	1.197 ± 0.078	169.951	6.119
HQ-22	6.756 ± 0.101	160.256 ± 0.959	3.517 ± 0.190	9.118 ± 0.401	6.594 ± 0.365	2.005 ± 0.090	1.095 ± 0.004	0.941 ± 0.023	190.282	6.619
HQ-23	5.804 ± 0.187	155.457 ± 0.818	3.183 ± 0.060	6.757 ± 0.352	8.428 ± 0.170	2.409 ± 0.052	1.430 ± 0.024	1.298 ± 0.028	184.765	6.044
HQ-24	3.395 ± 0.061	105.854 ± 0.184	2.178 ± 0.048	5.708 ± 0.228	12.924 ± 0.999	3.382 ± 0.066	1.712 ± 0.172	1.356 ± 0.157	136.509	5.491
HQ-25	8.065 ± 0.104	160.150 ± 1.229	1.334 ± 0.108	9.383 ± 1.036	13.494 ± 0.609	4.253 ± 0.118	2.029 ± 0.051	1.775 ± 0.047	200.481	8.279
HQ-26	5.707 ± 0.281	157.037 ± 0.820	3.311 ± 0.101	7.220 ± 0.178	10.635 ± 0.487	3.438 ± 0.223	1.570 ± 0.091	1.327 ± 0.080	190.245	7.686
HQ-27	4.148 ± 0.060	178.953 ± 0.874	2.608 ± 0.047	11.332 ± 0.141	6.150 ± 0.396	2.478 ± 0.019	1.476 ± 0.028	0.531 ± 0.003	207.676	6.744
HQ-28	5.985 ± 0.496	164.129 ± 1.142	4.048 ± 0.199	8.404 ± 0.262	10.872 ± 0.347	3.214 ± 0.223	1.210 ± 0.181	1.441 ± 0.095	199.303	8.168
HQ-29	5.674 ± 0.336	121.349 ± 1.648	2.123 ± 0.031	7.705 ± 1.002	6.798 ± 0.559	2.427 ± 0.162	1.950 ± 0.093	0.777 ± 0.051	148.803	4.727
HQ-30	6.894 ± 0.396	161.141 ± 1.124	4.967 ± 0.467	9.310 ± 0.778	11.823 ± 0.368	3.982 ± 0.303	1.637 ± 0.111	2.176 ± 0.158	201.929	9.321
HQ-31	3.801 ± 0.071	168.433 ± 1.873	4.563 ± 0.713	9.364 ± 1.608	5.525 ± 0.629	1.977 ± 0.139	2.026 ± 0.215	1.473 ± 0.170	197.163	6.340
HQ-32	3.812 ± 0.214	89.595 ± 0.874	1.748 ± 0.240	4.121 ± 0.616	6.055 ± 0.390	1.913 ± 0.208	1.609 ± 0.286	0.960 ± 0.086	109.813	3.991
HQ-33	4.604 ± 0.257	181.392 ± 1.143	2.803 ± 0.021	9.321 ± 1.822	8.744 ± 0.769	3.201 ± 0.314	1.119 ± 0.096	0.843 ± 0.076	212.026	7.329
HQ-34	7.278 ± 0.724	126.826 ± 0.803	2.786 ± 0.252	7.065 ± 0.050	6.408 ± 0.531	2.495 ± 0.239	1.141 ± 0.094	0.825 ± 0.073	154.824	5.073
HQ-35	1.886 ± 0.063	52.686 ± 0.230	1.337 ± 0.059	2.761 ± 0.163	1.531 ± 0.096	0.118 ± 0.074	0.667 ± 0.038	0.145 ± 0.004	61.132	2.288
HQ-36	6.013 ± 0.813	151.883 ± 0.593	2.980 ± 0.039	7.361 ± 0.050	7.965 ± 0.222	2.764 ± 0.020	1.645 ± 0.035	1.194 ± 0.067	181.806	5.955
HQ-37	11.949 ± 0.271	164.368 ± 0.447	3.043 ± 0.157	7.343 ± 0.064	4.234 ± 0.026	0.560 ± 0.033	2.555 ± 0.028	0.526 ± 0.093	194.577	6.822
HQ-38	8.417 ± 0.020	156.616 ± 0.386	4.173 ± 0.307	7.789 ± 0.232	15.992 ± 0.798	5.181 ± 0.241	2.576 ± 0.101	2.652 ± 0.123	203.397	11.395

TCEF: total content of the eight flavonoids.