Effects of Water Activity and Sodium Lactate on the Growth of Listeria monocytogenes in Raw Ham
Bibliographic record
Abstract
非加熱食肉製品である生ハムにおけるaWおよび乳酸ナトリウムによるL. monocytogenesの制御について5試験機関で検討した．（1) 血清型の異なるL. monocytogenesの増殖に対する乳酸ナトリウムの影響試験から，供試した菌株の乳酸ナトリウムに対する感受性は，4種の菌株間で差がないことが明らかとなった．（2) 試験用生ハムで，いずれの試験機関でもaW 0.93（0.930≤aW<0.940) では，L. monocytogenes （血清型4b，Scott A株) は，10℃で56日間保管した場合に増殖しなかった．このことから，生ハムではaW0.93であれば，原料肉のpHや食塩濃度，亜硝酸塩および低温保管（10℃) などの条件が相加，相乗的に作用して，L. monocytogenesの増殖が抑制されるものと推測された．（3) 今回の試験では，aW 0.94（0.940≤aW<0.950) であれば，2%の乳酸ナトリウムを添加することによってL. monocytogenesの増殖が抑制されることが示唆された．
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How this classification was reachedexpand
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 | 0.000 | 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 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.001 |
| Research integrity | 0.000 | 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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".