A Comparative HPLC Analysis of Myricetin, Quercetin and Kaempferol Flavonoids Isolated From Gambian and Indian Moringa oleifera Leaves
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Bibliographic record
Abstract
Moringa oleifera has been used for centuries as a traditional medicine in a number of sub-tropical countries. Recent studies have found it to be rich in flavonoids that exhibit antioxidant activity both in vitro and in vivo. In this study slightly modified conditions were examined in order to maximise the yield of these compounds in particular; Myricetin, Quercetin and Kaempferol. Quantitative analysis of these flavonoids were established using reverse phase ion-pairing High Performance Liquid Chromatography (HPLC) at a wavelength of 370 nm. The method development was carried out following the International Conference for Harmonization guidelines. It was found that refluxing with 0.10 M hydrochloric acid for 24 hour provided high yields of the flavonols (myricetin 292 mg/kg, quercetin 1099 mg/kg and kaempferol 133 mg/kg). There was a significant difference in the yield of these flavonols originating from the different geographical locations, with Community Forest Management Farm (CFM Farm) yielding the highest quantity of the flavonols under the conditions applied.
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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