Tribulus terrestris (Latin Name: Tribulus terrestris L.) is a flowering plant in the family Zygophyllaceae, native to warm temperate and tropical regions of the Old World in southern Europe, southern Asia, throughout Africa, and in northern Australia.
Tribulus terrestris can thrive even in desert climates and poor soil.Like many weedy species, this plant has many common names.
| Items | Standards | Results |
| Appearance | Brown yellow powder | Complies |
| Odor | Characteristic | Complies |
| Assay | Total saponins 40% | Complies |
| Loss on Drying | ≤5.0% | 3.67% |
| Mesh Size | 80 Mesh | 95% pass 80 mesh |
| Residue on Ignition | ≤5.0% | 2.35% |
| Bulk density | Loosing-density | 57.59g/100ml |
| Compactness | 89.40g/100ml | |
| Total Heavy Metals | ≤10ppm | Complies |
| Microbial | ||
| Total Plate Count | ≤1000cfu/g | Complies |
| Yeast | ≤100cfu/g | Complies |
| Mould | ≤100cfu/g | Complies |
| E.coli | ﹤3.0MPN/g | Complies |
| Salmonella | Negative | Complies |
| Staphylococcus Aureus | Negative | Complies |
| specification | 40％；65％；80%；90% | |