The Influence of Concentration by a Membrane Nanofiltration Process on the Colour Compounds of Conventional and Organic Cabernet Sauvignon Wine
Why this work is in the frame
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Bibliographic record
Abstract
Cilj ovog diplomskog rada bio je ispitati utjecaj koncentriranja procesom nanofiltracije na tvari boje konvencionalnog i ekološkog vina Cabernet Sauvignon. Koncentriranje je provedeno na uređaju LabUnit M20 uz primjenu kompozitnih membrana tipa Alfa Laval NF M20 pri tlakovima od 25, 35, 45 i 55 bara pri različitim temperaturnim režimima (s primjenom i bez primjene hlađenja). U početnim uzorcima vina i dobivenim retentatima određeni su ukupni polifenoli i flavonoidi, monomerni antocijani, polimerna boja, antioksidacijska aktivnost, pojedini polifenolni spojevi te parametri boje. Nakon provedene nanofiltracije, zabilježeno je smanjenje vrijednosti ukupnih polifenola i flavonoida te smanjenje antioksidacijske aktivnosti. Upotreba visokog tlaka uz hlađenje pogodovala je boljem zadržavanju, dok je primjena tlaka od 25 bara bez hlađenja uzrokovala znatan gubitak navedenih spojeva. Malo veće vrijednosti ukupne promjene boje dobivene su u retentatima ekološkog vina u usporedbi s retentatima konvencionalnog vina. Retencija pojedinih polifenolnih spojeva ovisila je o vrsti vina, temperaturnom režimu i primijenjenom tlaku.
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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 | 0.001 |
| Science and technology studies | 0.001 | 0.001 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 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