Pregnenolone is a natural hormone that cannot be patented. Back in the 1940's, when researchers started experimenting with it, they realized that it could be helpful for people under stress and it could increase energy in those who were fatigued. However, about the same time, cortisol, another closely related hormone, was discovered.
Pregnenolone Specifications:
| Test | Result | Specification |
| Appearance | Qualified | White crystalline powder |
| Melting point | 182~190.5℃ | 180~193℃ |
| Loss on drying | 0.22% | 0.50%max |
| Specific rotation | +28° | +27°~+30° |
| Identification(TLC) | Conform to standard | Identical with and at least nearly equivalent to the pregnenolone reference standard with reference to integrity, intensity, spot color and RF value, compared to sample FR0025 |
| Related substances (HPLC) | Any single impurities: 0.30a/a% | Δ14-pregnenolone: ≤0.3a/a% |
| 17-Alpha: ≤0.3a/a% | ||
| 5α/β-pregnenolone≤0.4 a/a% | ||
| Any single impurity: ≤0.4 a/a% | ||
| 0.64% | Total impurities: ≤1.0 a/a% | |
| Assay (dried basis) | 99.36% | 99.0%min |
| Conclusion | The test result of the above mentioned product meets the enterprise standard | |
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