Research Article
Development of a Gas Chromatography-Mass Spectrometry Method for the Quantification of Glucaric Acid Derivatives in Beverage Substrates
Table 2
Slopes and calibration parameters of calibration curves for GL and DGuA.
| Sample/replicate | GL | DGuA | Slope | -intercept | | Standard range (ppm) | Slope | -intercept | | Standard range (ppm) |
| 1/1 | 364463 | 6770.7 | 0.997 | 0.11–1.10 | 20566 | 2357.0 | 0.97 | 0.31–3.05 | 1/2 | 348155 | 7874.9 | 0.995 | 0.14–1.10 | 19388 | 2502 | 0.98 | 0.41–3.05 | 2/1 | 199719 | 1910.9 | 0.998 | 0.13–1.10 | 8254.50 | 3002.0 | 0.996 | 0.36–3.08 | 2/2 | 201892 | 1174.1 | 0.998 | 0.13–1.06 | 8383.1 | 2363.9 | 0.995 | 0.36–2.92 | 3/1 | 273943 | 861850.0 | 0.995 | 0.57–4.41 | 2432 | 93900 | 0.998 | 1.58–12.20 | 3/2 | 288786 | 909809 | 0.999 | 0.58–4.31 | 2558 | 99701 | 0.992 | 1.60–11.94 | 4/1 | 117727 | 52707 | 0.999 | 0.58–4.47 | 8384.40 | 34811 | 0.999 | 1.59–12.36 | 4/2 | 119471 | 51417 | 0.999 | 0.57–4.46 | 7805.6 | 36027 | 0.999 | 1.58–12.33 |
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