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

Table 4

Average content of main flavonoid components in different growing areas (mg·g⁻¹).

Flavonoids	Gansu	Inner Mongolia	Shandong	Shanxi	Henan	Hebei	Shaanxi
Scutellarin	6.695 ± 0.408	5.870 ± 0.186	6.011 ± 0.090	5.171 ± 0.145	5.300 ± 0.465	5.231 ± 0.148	7.066 ± 0.017
Baicalin	163.999 ± 0.26	131.090 ± 0.393	149.332 ± 0.654	132.058 ± 0.371	158.801 ± 0.453	132.604 ± 0.687	131.389 ± 0.142
Scutellarein	3.072 ± 0.156	2.958 ± 0.083	3.140 ± 0.299	2.592 ± 0.068	3.662 ± 0.161	2.446 ± 0.278	2.883 ± 0.093
Wogonoside	10.014 ± 0.442	6.410 ± 0.171	8.729 ± 0.874	6.778 ± 0.160	9.223 ± 0.511	6.836 ± 0.588	6.314 ± 0.261
Baicalein	15.449 ± 0.418	5.747 ± 0.149	7.995 ± 0.319	9.000 ± 0.378	8.234 ± 0.365	7.069 ± 0.231	7.431 ± 0.364
Wogonin	4.638 ± 0.184	1.801 ± 0.040	2.283 ± 0.123	2.678 ± 0.102	2.816 ± 0.224	2.536 ± 0.074	2.156 ± 0.176
Chrysin	2.340 ± 0.057	1.558 ± 0.091	1.817 ± 0.085	1.382 ± 0.069	1.660 ± 0.035	1.289 ± 0.072	1.861 ± 0.085
Oroxylin A	1.875 ± 0.061	1.151 ± 0.027	0.931 ± 0.073	1.131 ± 0.063	1.280 ± 0.027	0.876 ± 0.062	1.129 ± 0.076
TCEF	208.081	156.590	180.241	160.795	190.975	158.888	160.228
TF (%)	10.778	5.755	6.883	5.980	6.365	4.916	6.437