Research Article
Simultaneous Determination of Three Coumarins in Angelica dahurica by 1H-qNMR Method: A Fast and Validated Method for Crude Drug Quality Control
Table 5
Content (%) of three coumarins in A. dahurica by using the 1H-qNMR (unit: %).
| Sample | Job operation | Component | Imperatorin | Byakangelicin | Oxypeucedanin |
| Suining Sichuan | — | 0.239 | 0.133 | 0.191 | Suining Sichuan | Stove drying | 0.132 | 0.175 | 0.219 | Xinqiao Sichuan | — | 0.195 | 0.120 | 0.192 | Daying Sichuan | — | 0.221 | 0.117 | 0.173 | Xinsheng Sichuan | — | 0.207 | 0.125 | 0.186 | Anhui | — | 0.208 | 0.257 | 0.234 | Bozhou Anhui | Stove drying | 0.191 | 0.287 | 0.353 | Xiaoying Hebei | Sun drying | 0.363 | 0.236 | 0.337 | Yangjiaying Hebei | Sun drying | 0.392 | 0.315 | 0.335 | Mengzhou Henan | Stove drying | 0.093 | 0.219 | 0.190 | Heze Shandong | Stove drying | 0.132 | 0.187 | 0.217 |
|
|
“—” denotes unknown.
|