Table 4 Determination of ASP in sweetener samples (n = 3)
Sample | ASP content (µg L−1) | Recovery (%) | RSD (%) | ||
|---|---|---|---|---|---|
Added | Found by HPLC | Found by SPE-MOF | |||
Peach juice | 0 | 60 | 61 | 101 | 2.2 |
50 | 111 | 112 | 104 | 2.1 | |
500 | 550 | 549 | 98 | 1.9 | |
Bubble gum | 0 | 20 | 18 | 90 | 3.6 |
50 | 70 | 69 | 98 | 2.5 | |
500 | 521 | 519 | 100 | 1.0 | |
Soft cola drink | 0 | 100 | 98 | 98 | 1.6 |
50 | 151 | 150 | 100 | 2.5 | |
500 | 600 | 598 | 99.6 | 3.6 | |