Total phenolics and individual phenolic acids vary with light environment in<i>Lindera benzoin</i>
Why this work is in the frame
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Bibliographic record
Abstract
The understory shrub Lindera benzoin L. experiences lower rates of herbivory in sun environments than in shade environments. The production of secondary metabolites (e.g., phenolic compounds with known plant defense properties) is one likely contributor to these observed differences in herbivory. This work determined the total phenolic content as well as the concentrations of several individual phenolic acids in L. benzoin leaves found in sun and shade habitats. Total phenolic concentrations were determined to be higher in leaves from sun plants than in those from shade plants (47.5 ± 2.4 vs. 28.6 ± 1.3 gallic acid equivalents, respectively). High-performance liquid chromatography with diode array detection was used to separate and quantify several individual phenolic acids, and specific compounds were identified based on their retention times and ultraviolet spectra. The concentrations of vanillic, chlorogenic, p-coumaric, and ferulic acids were shown to be statistically higher in leaves from sun plants than in those from shade plants (P < 0.05), whereas 2,5-dihydroxybenzoic acid and caffeic acid were not significantly different in L. benzoin leaves from sun versus shade habitats.
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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 | 0.000 | 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 | 0.000 |
| 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