Hydroxytyrosol has a phenylethanol structure and is a natural phenolic compound derived from olive oil.
It is amphiphilic, that is, it can exist in pomace and olive oil in free form. It can also exist in the form of acetate. Or it can exist as a component of olive phenol, tyrosol and oleuropein.
| ITEM | STANDARD | TEST RESULT | TEST METHOD |
| Hydroxytyrosol | ≥20.0% | 20.08% | HPLC |
| Physical & Chemical | |||
| Appearance | Brown Yellow fine powder | Complies | Visual |
| Odor | Characteristic | Characteristic | Organoleptic |
| Particle Size | 95% pass 80mesh | Complies | USP36<786> |
| Loss on Drying | ≤5.0% | 4.18% | USP36<731> |
| Ash | ≤20.0% | 17.88% | USP36<281> |
| Solvent Residual | ≤0.05% | Complies | USP36<476> |
| Heavy Metal | |||
| As | ≤2.0ppm | Complies | ICP-MS |
| Pb | ≤2.0ppm | Complies | ICP-MS |
| Cd | ≤1.0ppm | Complies | ICP-MS |
| Hg | ≤0.1ppm | Complies | ICP-MS |
| Microbiological Test | |||
| Total Plate Count | ≤1000cfu/g | Complies | AOAC |
| Mold and Yeast | ≤100cfu/g | Complies | AOAC |
| E.Coli | Negative | Complies | AOAC |
| Salmonella | Negative | Complies | AOAC |
| ITEM | STANDARD | TEST RESULT | TEST METHOD |
| Assay | |||
| Hydroxytyrosol | ≥50% | 50.18% | HPLC |
| Physical & Chemical | |||
| Appearance | Brown Liquid | Complies | Visual |
| Odor | Characteristic | Characteristic | Organoleptic |
| PH | 5-7 | Complies | Q/DFS0001S-2015 |
| Extraction Solvent | Ethanol & Water | Complies | ------ |
| Ash | ≤5.0% | 1.52% | USP<281> |
| Heavy Metal | |||
| Pb | ≤2ppm | Complies | ICP-MS |
| As | ≤1ppm | Complies | ICP-MS |
| Cd | ≤0.5ppm | Complies | ICP-MS |
| Hg | ≤0.5ppm | Complies | ICP-MS |
| Microbiological Test | |||
| Total Plate Count | ≤1000cfu/g | Complies | AOAC |
| Mold and Yeast | ≤100cfu/g | Complies | AOAC |
| E.Coli | Negative | Complies | AOAC |
| Salmonella | Negative | Complies | AOAC |
Hydroxytyrosol is used in cosmetics as a natural, safe and effective antioxidant.
Feature Huperzine A powder, Hup A is a natural sesquiterpene alkaloid compound found in Huperzia serrata. It does not have phenolic hydroxyl groups in its…
Feature Beta Ecdysterone powder is an active substance extracted from the roots of the herb. It is used by the public to relieve rheumatoid arthritis.Depending…
Feature Nattokinase is an alkaline serine protease, a new type of natural thrombolytic active substance. It is composed of 275 amino acid residues and has…