L-Theanine
Product Introduction
L-theanine in nature only exists in tea plants accounting of 1%～2% of dry tea in free state, and is the main amino acid in tea accounting of some 50% of free amino acids. L-theanine is essential to human body, which can not synthesize and shall be supplied externally.
We adopts fermentation process technology and we are the only one manufacturer in China that produces fermented L-theanine.
Product specification
Items | Standard |
Appearance | White to off-white crystal or crystalline powder |
| Solution | colorless |
| pH | 5.0～6.0 |
| Specific rotation | +7.5°to+8.5° |
| Loss on drying | Not more than 1.0% |
| Residue on ignition | Not more than 0.2% |
| Heavy metals（Pb） | Not more than 20ppm |
| Chloride（Cl） | Not more than 0.02% |
| Arsenic（As） | Not more than 4ppm |
| Iron（Fe） | Not more than 10ppm |
| Chiral purity | ≥99.5% |
| Assay | 98.0～102.0% |
| Type | Fermented L-theanine |
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Company Tel: +86-+86-833-2598903 Tel: +86-+86 - 19162527690 Wechat: 19162527690 E-mail: Nyx-peptide@jsjpharm No.3 Jianye Avenue, High-tech Zone, Leshan, Sichuan, ChinaCopyright(C)2022, Sichuan Jisheng Biopharmaceutical Co.,Ltd All Rights Reserved.
