The Effect of Chlorophyll Degradation (ECD) as Qualitative Antioxidant Assay in Eruca sativa Leaves
Bibliographic record
Abstract
Resumo: A atividade antioxidante de um composto uma propriedade biolgica que tem como funo retardar as reaes de degradao oxidativa, e desta forma, reduzir a velocidade da oxidao por um ou mais mecanismos, como a inibio de radicais livres ou a complexao de metais. O papel dos antioxidantes proteger as clulas sadias do organismo contra a ao oxidante dos radicais livres. Este trabalho tem como objetivo contribuir com uma nova forma de determinar qualitativamente a capacidade antioxidante de substncias orgnicas, usando uma metodologia simples e de baixo custo. Tanto o efeito do sequestro de radicais livres (DPPH) como o efeito da degradao da clorofila (EDC) mostraram que a atividade depende da concentrao. A atividade antioxidante pelo DPPH variou de acordo com o material examinado, com valores de IC 50 que foram 2,60x10 -5 mg.mL -1 para a quercetina, em comparao com os padres positivos 3,95x10 -6 mg.mL -1 (trolox) e 6,29x10 -6 mg.mL -1 (vitamina C). No entanto, revelou diferena significativa apenas para o sitosterol, mostrando que a quercetina, trolox e vitamina C so substncias antioxidantes.
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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 | 0.002 | 0.005 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.001 |
| 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".