CAS No.: | 73-32-5 |
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Formula: | C6h13no2 |
EINECS: | 200-798-2 |
Packaging Material: | Bag/Drum |
Storage Method: | Normal |
Shelf Life: | >12 Months |
Samples: |
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L-isoleucine is one of nine essential amino acids in humans (present in dietary proteins), Isoleucine has diverse physiological functions, such as assisting wound healing, detoxification of nitrogenous wastes, stimulating immune function, and promoting secretion of several hormones. Necessary for hemoglobin formation and regulating blood sugar and energy levels, isoleucine is concentrated in muscle tissues in humans.
Testing Item |
Standard |
Result |
Appearance |
White crystals or crystalline powder |
conforms |
Assay/% |
98.5%~101% |
99.60 |
Specific Rotation |
+38.9~+41.8° |
+40.5° |
Identification (Infrared Absorption) |
Corresponding to Reference Spectrum |
conforms |
Residue on Ignition/% |
≤0.30 |
0.06 |
Loss on Drying |
≤0.3 |
0.07 |
Chloride (Cl)/% |
≤0.05 |
0.016 |
Iron (Fe)/% |
≤0.0030 |
0.0009 |
Sulfate ( SO4)/% |
≤0.03 |
0.015 |
Heavy Metal(Pb)/% |
≤0.0015 |
0.0008 |
Arsenic(As)/% |
≤0.0003 |
≤0.0001 |
Cadmium (Cd)/% |
≤0.0001 |
0.00004 |
Mercury (Hg)/% |
≤0.0001 |
0.00003 |
Total Plate Count(cfu/g) |
≤1000 |
69 |
Yeast and Molds(cfu/g) |
≤100 |
11 |
E.Coli |
Negative in 10g |
conforms |
Staphylococcus Aureus |
Negative in 10g |
conforms |
Salmonella |
Negative in 10g |
conforms |
Loss on Drying/% |
≤0.30 |
0.17 |
PH |
5.5~7.0 |
6.2 |
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