Melia azedarach L. (scientific name: Melia azedarach L.) is a deciduous tree of Melia azedarach, which can reach 10 meters in height. The leaves are ovate, elliptic to lanceolate, and the terminal is slightly larger. The panicle is about the same length as the leaf, and the flower is fragrant; the lobes are ovate or oblong-ovate, the apex is sharp, the petals are lavender, and the obovate spoon-shaped, both sides are puberulent, and the anthers are on the inside of the lobes, and alternate , Ovary subglobose, glabrous, with ovules in each compartment, slender style, stigma capitate, drupe globose to ellipse, endocarp woody, seed ellipse. Flowering from April to May and fruiting from October to December.
| ANALYSIS | SPECIFICATION(10:1) | RESULTS |
| Appearance | Brown powder | Complies |
| Odor | Characteristic | Complies |
| Assay (HPLC) | ≥25% | 0.2516 |
| Sieve analysis | NLT 95% pass 80 mesh | Complies |
| Loss on Drying | ≤5.0% | 0.0315 |
| Ash | ≤5.0% | 0.0215 |
| Pb | <2ppm | Complies |
| As | <2ppm | Complies |
| Hg | <2ppm | Complies |
| Total Plate Count | <1000cfu/g | Complies |
| Yeast & Molds | <100cfu/g | Complies |
| E.Coli | Negative | Complies |
| Salmonella | Negative | Complies |
| Salmonella | Negative | Complies |