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The toxicity of crude catechu extracts on zebrafish embryos. Zebrafish embryos were treated with various concentrations of crude catechu extracts, from 1250 μg/mL to 150 μg/mL. About twenty embryos were used for each experiment.
| Catechu Conc. (μg/mL) |
1250 | 1000 | 800 | 600 | 500 | 400 | 300 | 150 | Control |
|---|---|---|---|---|---|---|---|---|---|
| Embryo survival rate |
0% | 0% | 0% | 0% | 40% | 60% | 100% | 100% | 100% |
