Investigation of Leaf Essential Oil of<i>Myrica gale</i>L. from Quebec: Purification and Analysis of Oxygenated Fractions
Why this work is in the frame
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Bibliographic record
Abstract
Abstract The leaf essential oil of Myrica gale L. was isolated by hydrodistillation. The chemical composition of the whole oil was determined by GC and GC/MS analyses. We identified 48 components and eudesm-11-en-4-ol (11.5%), myrcene (11.3%), β-caryophyllene (8.4%) and α-phellandrene (7.1%) were the major compounds. Many oxygenated components could not be immediately identified in this whole oil. Thus, fractionation of the leaf oil of M. gale by high pressure flash chromatography yielded four fractions that were analyzed by GC and GC/MS. Fraction 1 was a terpene hydrocarbon fraction, whereas fractions 2 and 3 were mainly composed of oxygenated compounds except alcohols. Germacrone (46.3%) was the major constituent in fraction 2 whereas caryophyllene oxide (44.8%) and humulene epoxide II (22.1%) were predominant in fraction 3. The fourth fraction contained exclusively alcohols with selin-11-en-4α-ol (78.6%) as the major component.
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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) | 0.001 | 0.000 |
| Bibliometrics | 0.001 | 0.002 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| 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 it