Polyphenol content and browning of Canadian icewines
Bibliographic record
Abstract
The polyphenol composition of a range of Ontario icewines and late harvest wines was quantified. For 1999-2000 experimental wines, the FAUX icewines (harvested above -8°C and before 18 December) had high concentrations of hydroxycinnamates (10 to 37 mg/L in Riesling; 53 to 82 mg/ L in Vidal) which dropped to concentrations below 10 mg/L for the REAL icewines (harvested at temperatures -8°C or below and after 28 December). However, in 2002 experimental icewines, high concentrations of hydroxycinnamates were seen in both REAL and FAUX wines (40 to 84 mg/L in Riesling; 106 to 129 mg/L in Vidal), but all of the grapes were harvested before 11 December. Low to moderate concentrations of total hydroxycinnamates were observed in commercial icewines (10 to 40 mg/L) and late harvest wines (5 to 60 mg/L). Freeze concentration during icewine making appears to have substantial impact upon polyphenol composition and concentration, but time of harvest and growing season appear to be equally important.
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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 | 0.000 |
| 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 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".