White crystals or crystalline powder; Fist slightly sweet taste then slightly bitter taste. Freely soluble in formic acid, soluble in water, practically insoluble in ethanol and ether.
L-Valine is the essential amino acid of the human body and the supplement of nutrition. Amino acid infusion and comprehensive amino acid preparations are prepared with other essential amino acids. a new drug for pharmaceutical intermediates can be synthesized.
L-Valine plays a very important role in human life metabolism,and used to strengthen food ,etc.
L-Valine is also classified as a branched-chain amino acid (BCAA),there are three branched-chain amino acid in the boday,with the others being L-Isoleucine,and L-Leucine and all of them help promote muscule recovery after exercise.
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Item |
Specification |
Result |
|
description |
white crystals or crystalline powder, almost odorless |
Conforms |
|
Identification |
Compare the infrared absorption spectrum of the sample with that of the standard by potassium bromide disc method |
Conforms |
|
Specific rotation |
+26.6°~+28.8° |
+27.2° |
|
Chloride |
NMT 0.05% |
Conforms |
|
Sulfate |
NMT 0.03% |
Conforms |
|
Iron |
NMT 0.003% |
Conforms |
|
Heavy metals |
NMT 0.0015% |
Conforms |
|
Loss on drying |
NMT 0.3% (1g, 105℃, 3hours) |
0.08% |
|
Residue on ignition |
NMT 0.1% |
0.02% |
|
Organic volatile impurities |
Meets the requirements |
Conforms |
|
pH |
5.5~7.0 |
6.3 |
|
Assay |
98.5~101.5% (Calculated with reference to the dried substances) |
100.10% |
|
Chromatographic purity |
Meets the requirements |
Conforms |
|
Solubility |
|
|
|
Water |
Soluble |
Conforms |
|
Alcohol |
Practically insoluble |
Conforms |
|
Ether |
Practically insoluble |
Conforms |
|
Acetone |
Practically insoluble |
Conforms |
There are several Related Products available. Here are a few of the most common types:
L-Isoleucine : This product is an essential amino acid of human body,a nutritional supplement and flavoring enhancer,etc.
L-Leucine : This product provide energy for the body,regulate protein metabolism,improve immune function,promotes muscle tissue for healing,etc.
Beta-Hydroxy-Beta-Methyl Butyrate Calcium Salt (HMB-Ca) : This product plays important function in protein synthesis and muscular tissue ,etc.
