L-theanine is an amino acid that is found in tea leaves. It was identified in tea by Japanese scientists in 1949. While tea is the most common dietary source for L-theanine, this compound is also found in some types of mushrooms. In foods, particularly green tea, L-theanine is thought to be a source of umami, the savory, brothy taste. It may …

Green Tea Extract Details Product Name: Green Tea Extract  Herb Source: Camellia sinensis Active Ingedients: Green Tea Polyphenol, EGCG, Catechin Test Method: HPLC Appearance: Light green or light yellow to brownish green powder Specifications: Green Tea Polyphenol 20%, 95%, 98% CAS#: 84650-60-2  Molecular Formula & Molecular Weight: C17H19N3O; 281.36 Green Tea Polyphenol Structural  Formula: Pharmacology: It has the effect on anticancer, resisting radiation and …