A Review of Phytochemistry and Pharmacological Properties of Threatened Croton Species Used as Herbal Medicines in East Africa
Bibliographic record
Abstract
Some rare and threatened Croton species have a long history of medicinal usage in East Africa. The objective of this study was to review the phytochemistry and pharmacological properties of five Croton species that are threatened with extinction in East Africa but widely used as herbal medicines in the region. Information on medicinal uses, phytochemistry and pharmacological properties of C. alienus, C. dictyophlebodes, C. jatrophoides, C. megalocarpoides and C. talaeporos was obtained from databases such as Scopus, Web of Science, Science Direct, Google Scholar, PubMed, BioMed Central (BMC), Springerlink and Scielo. Other sources of information included scientific publications, conference proceedings, theses, books and book chapters obtained from libraries. Literature search revealed that the bark, fruits, leaves and roots of these five Croton species are commonly used as traditional medicines for gastro-intestinal disorders, colds and influenza, body pains and weaknesses and intestinal worms. Phytochemical compounds isolated from these species include alkaloids, anthraquinones, diterpenoids, esters, flavonoids, furanoditerpenoids, limonoids, methylcyclohexanes, phenolics, steroids, tannins and triterpenoids. Pharmacological studies indicate that these species have antifungal, anti-leishmanial and insect antifeedant activities. Preliminary phytochemical and pharmacological research done so far on Croton species is promising, but too general to corroborate some of the medicinal uses of the species.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.001 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.006 | 0.004 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.004 | 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 source (direct Gemma or distilled Codex), 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".