Don’t Get a Toothache! Novel Chemical Composition of Miswak, the Natural Toothbrush
Bibliographic record
Abstract
Salvadora Persica, most known as the toothbrush tree, holds a distinctive place in middle eastern folkloric traditions, particularly for its roots, which have served as a natural toothbrush for many centuries. Many recent studies surrounding this plant have demonstrated its antimicrobial properties, attributing their efficacy to the presence of benzyl isothiocyanate, BITC. This study aimed to quantify the BITC molecule and identify additional components present in these roots with two novel extraction methods. A hydrosol of the root was produced with microwave hydrodistillation and a supercritical-CO2 (s-CO2) extract were prepared from the roots and were analyzed using gas chromatography-mass spectrometry (GC-MS). The hydrosol was found to contain BITC, benzylcyanide, and 5-(isothiocyanatomethyl)-1,2,3-trimethoxybenzene, while the s-CO2 extract did not contain the trimethoxy compound, but exhibited preservatives and fatty acids.
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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 | 0.000 |
| 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 | 0.003 |
| 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 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".