| ≥1 piece |
Biotin is also called vitamin H or vitamin B7.Biotin supplements are often
recommended as a natural product to counteract the problem of hair loss in both
children and adults.Increasing dietary biotin has been known to improve seborrheic
dermatitis.Diabetics may also benefit from biotin supplementation.
COA of D-Biotin
|
Appearance |
A White or off-white crystalline powder |
Conform |
|
Content of related substance |
Comply with EP5 |
Conform |
|
Identification |
Correspond |
Conform |
|
Clear and colour |
0.01g/ml solution (in 4g/l NaOH) is clear and colourless |
Conform |
|
Heavy metals |
≤10ppm |
<10ppm |
|
Sulphated ash |
≤0.1% |
0.05% |
|
Specific Optical Rotation |
+89.0o~ +93.0o |
+89.2o |
|
Organic volatile impurity |
Meets USP requirement |
Conform |
|
Assay(Titration,0.1N NaOH) |
98.5%~100.5% |
99.5% |
|
Loss on Drying |
≤0.5% |
0.1% |
|
Conclusion: Conforms to USP32/EP6 |
||
|
Shelf life 3 year from manufacture date |
||