English name: L-Theanine,Theanine CAS No.: 3081-61-6 Molecular forula: C7H14N2O3 Molecular Weight: 174.1977 Specification: 99% Use Part : Leaf Appearance: white or off-white powder Mesh size:80 Mesh What is Theanine? Theanine is derived from tea leaves. Tea is native to eastern Asia and is a member of the Theaceae family. This evergreen shrub or tree grows to over 9 m in …