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English name: L-Theanine CAS: 3081-61-6 Product Standards: AJI92/USP24 Product specifications: 25KG / barrel Molecular formula: C7H14N2O3 The relative molecular weight or atomic weight: 174.20 Dissolution: do not dissolve in ethanol, ethyl ether, soluble in water. Preparation or Source: natural chemicals found in green tea.
Way of producing: the L-glutamate high-pressure heat made Pyrrolidone carboxylic acid, adding anhydrous triethylamine single, high-pressure heating derived.
Main use: seasonings. Mainly used for green tea, does not require dosage. Nutrition Enhancer. Properties: white crystalline powder. Melting point 217-218 (dissolution). Dissolve in water, not soluble in ethanol, ether. Odorless, a special sweet taste , threshold of 0.15%. More Natural L-theanine are more present in the upper green teas (up 2.2%). Other: 0.15 percent threshold, the decomposition temperature of 214 ~ 215 .