1.Purity>99% 2.Certifications:USP, HACCP, HALAL, KOSHER, ISO14001, ISO22000, 3.Complying ... Theanine can be used in: 1. Food and Beverage Industry; 2.Cosmetic industry; 3. Pharmaceutical Industry; Product Data Sheet Product ... on drying NMT 0.5%Residue on ignition NMT 0.2% PH 5.0 to 6.0Melting point 202.0 ... circulating water, with innovative product ecological safety control system. 99.5% L-Theanine