Table 4 Anthraquinone and recovery in Indonesian commercial tea (n = 2)
From: Anthraquinone in Indonesian infusion tea: analysis by HPLC–UV and risk assessment
Real samples | Anthraquinone (μg/L) | Recovery (%) |
|---|---|---|
SP-01 | ND | 95.78 |
SP-02 | ND | 101.73 |
SP-03 | ND | 97.92 |
SP-04 | 8.17 | 105.07 |
SP-05 | ND | 88.87 |
SP-06 | 0.57 | 106.75 |
SP-07 | 16.24 | 86.74 |
SP-08 | 7.06 | 97.53 |
SP-09 | 20.41 | 94.14 |
SP-10 | ND | 82.35 |
SP-11 | 22.80 | 117.53 |
SP-12 | ND | 105.39 |
SP-13 | 6.32 | 99.54 |
SP-14 | 6.12 | 89.52 |
SP-15 | 26.26 | 77.76 |
SP-16 | 44.23 | 84.18 |
SP-17 | 32.82 | 112.96 |