Specification:
L-Theanine 20%-30%
Different specs of Green Tea L-Theanine available
Quality Specification
Analysis Items Specifications Test Methods
Assay NLT 20% L-Theanine HPLC
Solubility 100% soluble in water Visual
Moisture Content NMT 5.0% 5g/105℃/2hrs
Ash Content NMT 5.0% 2g/525℃/3hrs
Heavy Metals NMT 10ppm Atomic Absorption
Arsenic NMT 1ppm GB/T5009.11
Solvent Residues NMT 10ppm Gas Chromatography