Research Article
Simultaneous Determination of Four Ingredients in Plantago Depressa by Single Marker
Table 1
Comparison of 4 components in Plantago depressa from different sources (μg/g).
| Number | Sources | Quercetin | Protocatechuic acid | Catechin | Luteolin | ESM | QAMS | RSD/% | ESM | QAMS | RSD/% | ESM | QAMS | RSD/% |
| ZJ-1 | Jinhua, Zhejiang | 16.755 | 3.753 | 3.791 | 0.71 | 3.387 | 3.426 | 0.81 | 8.749 | 8.635 | 0.93 | ZJ-2 | Jinhua, Zhejiang | 13.432 | 2.117 | 2.175 | 1.91 | 2.365 | 2.387 | 0.65 | 10.853 | 10.741 | 0.73 | ZJ-3 | Jinhua, Zhejiang | 15.491 | 4.142 | 4.241 | 1.67 | 3.494 | 3.409 | 1.74 | 8.212 | 8.209 | 0.03 | JL-1 | Changchun, Jilin | 17.789 | 4.916 | 4.856 | 0.87 | 4.413 | 4.377 | 0.58 | 7.952 | 7.803 | 1.34 | JL-2 | Changchun, Jilin | 11.299 | 3.759 | 3.721 | 0.72 | 3.399 | 3.332 | 1.41 | 8.652 | 8.557 | 0.78 | JL-3 | Changchun, Jilin | 12.483 | 2.698 | 2.707 | 0.24 | 4.365 | 4.402 | 0.60 | 6.685 | 6.774 | 0.94 | JX-1 | Bozhou, Jiangxi | 11.812 | 3.689 | 3.639 | 0.96 | 3.098 | 3.045 | 1.22 | 8.741 | 8.703 | 0.31 | JX-2 | Bozhou, Jiangxi | 15.536 | 3.925 | 3.991 | 1.18 | 3.403 | 3.439 | 0.74 | 8.839 | 9.046 | 1.64 | JX-3 | Bozhou, Jiangxi | 16.379 | 1.913 | 1.881 | 1.19 | 4.347 | 4.296 | 0.83 | 6.926 | 6.737 | 1.96 | JX-4 | Bozhou, Jiangxi | 18.735 | 3.838 | 3.803 | 0.65 | 4.412 | 4.384 | 0.45 | 5.935 | 5.878 | 0.68 |
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