L-leucine is one of the twenty basic amino acids and is isomeric with isoleucine. In nutrition, leucine is an essential amino acid in the human body.
CAS No. :
61-90-5EINECS :
200-522-0Package :
25KG/DRUMBrand :
TOPINCHEM®Origin :
CHINAFormula :
C6H13NO2Minimum Order :
200KGItem :
L-Leucine USP FermentationHigh Quality 99% L-Leucine USP Fermentation CAS 61-90-5
Description
L-leucine, also known as leucine, is α- Amino group- γ- Methyl valeric acid α- Amino hexoic acid. Along with valine and isoleucine, they belong to the branched chain amino acids and are one of the eight essential amino acids in the human body.
Specification
| Items | Limits | Test results |
| Description | White crystals or crystalline powder | Conforms |
| Assay | 98.5%～101.5% | 99.90% |
| Identification (Infrared Absorption) | Corresponding to Reference Spectrum | Conforms |
| Mesh Size | / | 80mesh |
| PH | 5.5～7.0 | 5.79 |
| Specific rotation | +14.9 °~+17.3 ° | 15.8 |
| Residue on Ignition | ≤ 0.1% | 0.09% |
| Loss on Drying | ≤ 0.2% | 0. 11% |
| Bulk Density | ≥ 0.4g/ml | Conforms |
| Chloride (Cl) | ≤ 500ppm | ＜500ppm |
| Iron(Fe) | ≤ 30ppm | ＜30ppm |
| Sulfate ( SO4) | ≤ 300ppm | ＜300ppm |
| Heavy Metals | ≤10ppm | ＜10ppm |
| Lead (Pb) | ≤ 3ppm | ＜3ppm |
| Arsenic（As） | ≤ 1ppm | ＜1ppm |
| Cadmium (Cd) | ≤ 1ppm | ＜1ppm |
| Mercury (Hg) | ≤ 0.1ppm | ＜0. 1ppm |
| Total Plate Count | ≤ 2000cfu/g | ＜2000cfu/g |
| Yeast and Molds | ≤ 100cfu/g | ＜100cfu/g |
| E.Coli | Negative in 10g | Confirms |
| Staphylococcus Aureus | Negative in 10g | Confirms |
| Salmonella | Negative in 25g | Confirms |
| COMPLY WITH THE STANDARD OF USP24 | ||
Application
L-leucine can be used as a nutritional supplement, flavor enhancer, amino acid infusion and comprehensive amino acid preparations, hypoglycemic agent, and plant growth promoter.
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