Table 3 Accuracy and Precision of PPIX and Mg-PPIX in Arabidopsis and tea plant
Matrix | Metabolite | Spiked concentration (mg/kg) | Mean recovery (%) | Intra-day RSD% (n = 6) | Inter-day RSD% (n = 18) |
|---|---|---|---|---|---|
Arabidopsis | PPIX | 0.1 | 85.5 | 5.7 | 8.7 |
0.01 | 86.4 | 7.5 | 5.9 | ||
Mg-PPIX | 0.1 | 89.5 | 4.6 | 10.9 | |
0.01 | 91.6 | 6.6 | 9.8 | ||
Tea plant | PPIX | 0.1 | 74.8 | 7.1 | 6.2 |
0.01 | 70.5 | 7.5 | 6.2 | ||
Mg-PPIX | 0.1 | 88.1 | 5.9 | 3.5 | |
0.01 | 87.6 | 3.2 | 6.2 |