Research Article
A Simple Spectrophotometric Method for the Determination of Thiobarbituric Acid Reactive Substances in Fried Fast Foods
Table 1
Intraday and interday precision of the spectrophotometric TBARS method.
| Concentration | Mean concentration (µM/g) | Intraday precision () | Interday precision () | Morning | Noon | Evening | Mean | % RSD | Day 1 | Day 2 | Day 3 | Mean | % RSD |
| 0.1 | 0.292 | 0.325 | 0.366 | 0.327 | 11.3 | 0.353 | 0.325 | 0.385 | 0.354 | 8.4 | 0.4 | 0.629 | 0.545 | 0.677 | 0.617 | 10.8 | 0.629 | 0.677 | 0.737 | 0.681 | 7.9 | 0.8 | 1.174 | 0.926 | 0.956 | 0.948 | 2.03 | 1.172 | 0.926 | 0.962 | 1.02 | 13.1 |
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