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Intraday and interday precisions of crypto-chlorogenic acid, isoquercetin, and astragalin.
| Compounds | Concentration (ng/spot) |
Intraday precision* (%) | Interday precision* (%) |
|---|---|---|---|
| Crypto-chlorogenic acid | 200 | 3.17 | 4.34 |
| 300 | 2.20 | 1.13 | |
| 400 | 4.00 | 3.59 | |
|
| |||
| Isoquercetin | 200 | 3.47 | 4.09 |
| 300 | 2.43 | 4.68 | |
| 400 | 4.47 | 2.47 | |
|
| |||
| Astragalin | 200 | 1.56 | 1.99 |
| 300 | 1.95 | 1.56 | |
| 400 | 2.24 | 2.16 | |
*Present as percent RSD (n = 3).
