Theanine

What is Theanine?

Theanine is an amino acid commonly found in tea and also in the basidiomycete mushroom. [1]

History

Theanine was successfully separated from the Gyokuro leaf, in a laboratory of Kyoto in 1950. [1]

The percentage represents the approximate total number of food products from UPC Food Search's data that contain the ingredient, "Theanine".

The data is calculated from UPC Food Search's product data only, and is not meant to reflect all food products regionally or globally.

Source(s) Derived From	Plant Sources, Other Natural Sources
Natural or Artificial?	Natural
References	Theanine - Wikipedia
Aliases (Also Known As)	L Theanine Color Key - (Click/Tap to View) Natural Natural & Possibly Unsafe Artificial Artificial & Possibly Unsafe Both (Can be derived from Natural & Artificial Sources) Both (Can be derived from Natural & Artificial Sources) & Possibly Unsafe

Action	User	Date/Time
Ingredient added	UPC Food Search	January 30, 2009 @ 11:12 PM