Specifications
 
theanine 
green tea extract 
Source:camellia sinensis 
Used part:leaf 
Active Ingredient:tea polyphenol,EGCG,catechins,caffeine,
Botanical Name: Camellia sinensis O.Ktze
Part Used: Leaf 
Specification:  30%theanine
Test method: HPLC
Appearance: Light yellow powder
 
Introduction
Theanine (l-theanine) is an amino acid found in ordinary tea leaves from Camellia sinensis (also known as Thea sinensis, hence the name theanine).
It is also found in other species of Camellia and in the edible bay boletes mushroom Xerocomus badius, but is otherwise rare in nature.
 L-theanine has the reputation for promoting mental and physical relaxation-decreasing stress and anxiety-without inducing drowsiness
  
Function
·  Improving learning performance, heightening mental acuity, and promoting concentration;
· Acting antagonistically against high doses of caffeine;
· Calming nervous agitation;
· Lowering blood pressure;
· Diminishing symptoms of PMS
 
Application 
(1)Application of tea polyphenols in the industry of medicine
Tea polyphenols can protect easy-oxidant in the body from oxidizing through oxidized itself to made cellular activity normalize.
(2)Application of tea polyphenols in food industry
The fat in food is easy to oxidize itself to produce free radicals. 
Tea polyphenols can supply lots of protons, which combine with over 98% of these free radicals,
 thereby stop next chemical reaction and protect the fat from further oxidizing.
(3)Application of tea polyphenols in the industry of daily chemicals
In general, most cosmetics contain oil, wax, hydrocarbon and surface active agent, all that easily react to oxygen in air and produce peroxidant, acids, aldehydes etc.