Description
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ANALYSIS |
SPECIFICATION |
RESULTS |
Appearance |
White to off-white powder |
Complies |
Solution |
Slightly soluble in water, soluble in acetone, ethyl acetate and methanol |
Complies |
Identification |
IR |
Complies |
UR |
Complies |
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HPLC |
Complies |
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Chloride and sulfate |
≤0.02% |
<0.02% |
Loss on drying |
≤1.0% |
0.08% |
Residue on ignition |
≤0.1% |
0.05% |
Heavy metal |
≤10ppm |
Complies |
Arsenic |
≤1.0PPM |
<0.2PPM |
Cadmium |
≤1.0PPM |
<0.05PPM |
Lead |
≤1.0PPM |
<0.1PPM |
Mercury |
≤0.1PPM |
<0.02PPM |
Impurities |
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Individual impurity |
≤0.1% |
0.05% |
Total impurity |
≤1.0% |
0.43% |
Assay(on the dried basis) |
98.5~101.5%MIN |
99.75% |
1). Helps regulate other hormones and maintain the body's circadian rhythm.
2). Melatonin also helps control the timing
3). Melatonin helps determine
4). Melatonin has strong antioxidant effects.
5). Release of female reproductive hormones.
Functions: