CPC A61K 31/70 (2013.01) | 11 Claims |
1. A product for prolonging half-life of theanine in vivo, wherein the product contains a theanine glycoside compound; and the theanine glycoside compound has a structure shown as follows:
wherein R is
and n is 1-4;
and the theanine glycoside compound is not 1-deoxy-1-L-theanine-D-fructopyranose.
|