Active Pharmaceutical Ingredients
Product Introduction
Levodopa is an organic compound with a chemical formula of C9H11NO4. It is a precursor drug of dopamine and has no pharmacological activity. It enters the central nervous system through the blood-brain barrier and is converted into DA by dopa decarboxylase to exert its pharmacological effects.
Product Data Sheets
| Analysis | Description | Test Method |
| Appearance | white or white crystalline powder | Visual |
| Odor | Characteristic | Organoleptic |
| Identification | Conform with reference sample | Organoleptic |
| Mesh Size | 100% pass 80 mesh | 80mesh screen |
| Moisture Content | ≤ 1.0% | GB5009.3-2016 |
| Heavy Metals | ≤ 10 ppm | GB 5009.3 |
| Arsenic (As) | ≤ 1.5 ppm | GB 5009.4 |
| Lead (Pb) | ≤ 2 ppm | GB 5009.11 |
| Cadmium（Cd） | ≤1ppm | GB 5009.12 |
| Mercury （Hg） | ≤1ppm | GB 5009.17 |
| Total Plate Count | ≤10000 cfu/g | GB 5009.15 |
| Yeast and Mold | ≤100 cfu/g | GB 5009.3 |
| Escherichia Coli | < 10cfu/g | GB 5009.4 |
| Salmonella/25g | Absent | GB 5009.11 |
| Effective constituent | Levodopa≥ 99% | HPLC |
Product Function
It has a significant effect in improving muscle stiffness and bradykinesia.
Continuous use of the drug is also effective for tremors, drooling, postural instability and dysphagia.
Product Application
Nutritional nerves and maintenance of normal muscle activity. Levodopa is a dopamine receptor agonist that can supplement the loss of dopamine neurons and nourish the damaged nervous system; it can increase the normal level of dopamine in the body and protect and repair limb and muscle activity.
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Product Data Sheets
| Analysis | Description | Test Method |
| Appearance | white or white crystalline powder | Visual |
| Odor | Characteristic | Organoleptic |
| Identification | Conform with reference sample | Organoleptic |
| Mesh Size | 100% pass 80 mesh | 80mesh screen |
| Moisture Content | ≤ 1.0% | GB5009.3-2016 |
| Heavy Metals | ≤ 10 ppm | GB 5009.3 |
| Arsenic (As) | ≤ 1.5 ppm | GB 5009.4 |
| Lead (Pb) | ≤ 2 ppm | GB 5009.11 |
| Cadmium（Cd） | ≤1ppm | GB 5009.12 |
| Mercury （Hg） | ≤1ppm | GB 5009.17 |
| Total Plate Count | ≤10000 cfu/g | GB 5009.15 |
| Yeast and Mold | ≤100 cfu/g | GB 5009.3 |
| Escherichia Coli | < 10cfu/g | GB 5009.4 |
| Salmonella/25g | Absent | GB 5009.11 |
| Effective constituent | Levodopa≥ 99% | HPLC |