Research Article
Label-Free Fluorescent Determination of Sunset Yellow in Soft Drinks Based on an Indicator-Displacement Assay
Table 3
Determination of SY in soft drink samples (
).
| | Sample | Added (µM) | Founded (μM) | RSD (%) | Recovery (%) |
| | Xianchengduo | 0 | 3.72 | 3.8 | — | | 2 | 5.51 | 3.1 | 96.33 | | 6 | 9.91 | 2.8 | 101.95 |
| | Mangguoduo | 0 | 2.35 | 3.9 | — | | 2 | 4.48 | 4.2 | 102.98 | | 6 | 8.67 | 3.6 | 103.83 |
| | Fenda | 0 | 2.53 | 3.9 | — | | 2 | 4.36 | 2.5 | 96.25 | | 6 | 8.43 | 4.1 | 98.83 |
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