| Customization: | Available |
|---|---|
| Powder: | Yes |
| Customized: | Customized |
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L-Cysteine Powder Overview
L-Cysteine, also called 2-Amino-3-mercaptopropanoic acid, is a non-essential amino acid valued for its antioxidant properties, protein synthesis support, and cellular repair benefits. It's widely used in food, pharma, and cosmetics, with a growing market demand.
Raw Material & Processing
We source L-Cysteine from high-quality, sustainable plant-based materials. Advanced enzymatic hydrolysis ensures high purity and effectiveness.
Product Specs & Characteristics
Available in food and pharma grades, the powder is white to off-white, faintly sulfur-scented, and slightly salty.
Applications
Used in bakery (dough elasticity), pharmaceuticals (precursor in drugs), and cosmetics (hair strengthening). Suggested dosage: 0.1%-1%, delivering enhanced stability and functionality.
Why Choose Us
We offer high-purity L-Cysteine with eco-friendly production, competitive pricing, and proven performance backed by excellent customer feedback.
COA
| Test Parameter | Specification | Test Method | Test Result |
|---|---|---|---|
| Appearance | White powder | Visual Inspection | White powder |
| Assay (Magnesium Stearate content) | ≥98% | HPLC | 98.45% |
| Loss on Drying | ≤0.5% | Loss on Drying Method | 0.24% |
| Heavy Metals | ≤10ppm | ICP-MS | <5ppm |
| pH (1% solution) | 4.5 - 7.5 | pH Meter | 5.4 |
| Microbial Limits | Total Plate Count: ≤1,000 CFU/g | Plate Count Method | <100 CFU/g |
| Yeast and Mold: ≤100 CFU/g | Plate Count Method | <50 CFU/g | |
| E. coli: Negative | PCR or Culture | Negative | |
| Staphylococcus aureus: Negative | PCR or Culture | Negative | |
| Solubility | Insoluble in water, soluble in ethanol | Solubility Test | Insoluble in water, soluble in ethanol |
| Particle Size | ≤100 mesh | Sieve Analysis | Passes 100 mesh |
| Residual Solvents | Ethanol: ≤5000ppm | GC | <5000ppm |
| Microbial Limit (Bacteria) | Total Aerobic Count: ≤1000 CFU/g | Plate Count Method | <100 CFU/g |
2025 Activity
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