Description
Technical aspects
R-alpha-lipoic acid is a bright yellow crystal and is highly stable. Analytical parameters indicate its high purity and biological activity.
| Parameter | Value |
|---|---|
| Content (on dry weight) | 99.0% ~ 101.0% |
| Melting point | 48–51℃ |
| Loss on drying | ≤0.5% |
| Specific rotation | +115° ~ +125° |
| Total impurities | ≤2.0% |
| Total number of microorganisms | ≤1000 cfu/g |
| Mould and yeast | ≤100 cfu/g |
| E. coli | Absent |
| Salmonella | Absent |
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