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| Items | Specification | Results | Test Method |
| Appearance | Dark purple fine powder | Complies | Visual |
| Odor & Taste | Characteristic | Complies | Organoleptic |
| Mesh Size | 95% pass 80 mesh | Complies | USP<786> |
| Anthocyanins (as Cyanidin-3-glucoside) | ≥25% | 25.67% | UV-Vis |
| Solubility | Soluble in water | Complies | Visual |
| Loss on Drying | ≤5.0% | 3.21% | USP<731> |
| Ash | ≤5.0% | 2.86% | USP<561> |
| Heavy Metals | ≤10 ppm | Complies | ICP-MS |
| Lead (Pb) | ≤1.0 ppm | 0.14 ppm | ICP-MS |
| Arsenic (As) | ≤1.0 ppm | 0.07 ppm | ICP-MS |
| Cadmium (Cd) | ≤0.5 ppm | 0.03 ppm | ICP-MS |
| Mercury (Hg) | ≤0.1 ppm | <0.01 ppm | ICP-MS |
| Microbiology | - | - | - |
| Total Plate Count | ≤1000 cfu/g | 50 cfu/g | USP<2021> |
| Yeast & Mold | ≤100 cfu/g | 10 cfu/g | USP<2021> |
| E. coli | Negative/10g | Negative | USP<2022> |
| Salmonella | Negative/25g | Negative | USP<2022> |
| GMO Status | Non-GMO | Complies | Statement |
| Irradiation | Non-irradiated | Complies | Statement |
| Residual Solvents | Conforms to USP <467> | Complies | GC-MS |
| Pesticide Residue | Conforms to EU Regulation 396/2005 | Complies | GC-MS / LC-MS |