Customization: | Available |
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Sample: | Available |
MOQ: | 1kg |
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L-Theanine is a unique free amino acid in tea, and theanine is glutamic acid γ-ethylamide. Theanine content
varies with the variety and location of tea. Theanine accounts for 1% to 2% of the dry tea. Theanine is a white
needle, soluble in water. With sweet and refreshing taste, is the taste of tea components.
Product Name | L-THEANINE | ||
Batch Number | 202002322 | Quantity | 1000kgs |
Quality Standard | USP | Packing | 25 kg/drum |
Manufacture Date | 2020.02.22 | Expiry Date | 2022.02.21 |
Item | Standard | Test Result |
Character | White or quasi-white crystalline powder | White Crystalline powder |
Specific rotation | +7.7°~ +8.5° | +8.1° |
Solution clarity | Clear and colorless | Clear and colorless |
Assay(Dry basis) | 98.5%~101.5% | 99.64% |
Loss on Drying | ≤1.0% | 0.07% |
Residue on Ignition | ≤0.2% | 0.05% |
Chloride | ≤0.02% | <0.02% |
Sulfate | ≤0.02% | <0.02% |
PH | 5.0~6.0 | 5.86 |
Particle size | 100%pass through 0.18mm mesh | 100% |
Heavy Metals | ≤10ppm | <10ppm |
Iron(Fe) | ≤10ppm | <10ppm |
Arsenic (As) | ≤2ppm | Not detected |
Cadmium (Cd) | ≤1ppm | Not detected |
Mercury (Hg) | ≤0.1ppm | Not detected |
Yeast and Molds | ≤100cfu/g | 30cfu/g |
Total Colony Number | ≤1000cfu/g | 90cfu/g |
Coliforms | Negative | Not detected |
Salmonella | Negative in 25g | Not detected |
Conclusion | This batch of product complies to the standard. |