A Real-Time Quantitative PCR Detection Method for Pork, Chicken, Beef, Mutton, and Horseflesh in Foods
Why this work is in the frame
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Bibliographic record
Abstract
A rapid real-time quantitative PCR method to detect trace amounts of pork, chicken, beef, mutton, and horseflesh in foods was developed. The primers and TaqMan MGB (minor groove binder) probes were designed on the gene encoding cytochrome b for the specific detection of each species. The limit of quantification of this method was found to be 100 fg/microl of each mitochondrial DNA in 10 ng/microl of the wheat mitochondrial DNA matrix. The calculated R(2) values of the standard curves for the five species ranged between 0.994 and 0.999. This method would be particularly useful in the detection of hidden meat mince in processed foods, which would verify food labeling and gain consumers' trust.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.001 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it