Research Article
Development and Validation of HPLC Method for the Simultaneous Determination of Five Food Additives and Caffeine in Soft Drinks
Table 7
Analysis of soft drinks (mean value ± standard deviation,
).
| | Food additive | Energy drink
(μg/mL) | Pomegranate juice
(μg/mL) | Mandarin juice
(μg/mL) |
| | Potassium sorbate | 213.62 ± 0.34 | 254.13 ± 1.24 | 246.23 ± 1.76 | | Sodium benzoate | — | 144.71 ± 2.38 | 148.67 ± 1.99 | | Caffeine | 142.20 ± 1.17 | — | — | | Allura red | 65.28 ± 0.59 | — | — | | Carmoisine | — | 24.26 ± 0.47 | — | | Ponceau 4R | — | 81.58 ± 1.51 | — |
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