green tea 98% L-theanine

1)L-theanine comes from green tea 2.reduce stress, 3)improve the quality of sleep, 4)diminish normal syptoms of PMS,

L-theanine is clinically proven to reduce stress, improve the quality of sleep, diminish normal syptoms of PMS, heighten mental acuity and reduce negative side effects of caffeine.

 L-theanine is a non-protein amino acid mainly found naturally in the green tea plant (Camellia sinensis). L-theanine is the predominant amino acid in green tea and makes up 50% of the total free amino acids in the plant. The amino acid constitutes between 1% and 2% of the dry weight of green tea leaves. L-theanine is considered the main component responsible for the taste of green tea, which in Japanese is called umami. L-theanine is marketed in Japan as a nutritional supplement for mood modulation. L-theanine is a derivative of L-glutamic acid.

Molecular Formula:C7H13N2O3CAS #:3081-61-6

 L-theanine is also known as gamma-ethylamino-L-glutamic acid, gamma-glutamylethylamide, r-glutamylethylamide, L-glutamic acid gamma-ethylamide and L-N-ethylglutamine.

SPECIFICATION:

   

Physical appearance	Fine brown yellow powder
OdorTaste	Charactcristic
Mesh Size	NLT 90% through 80 Mesh
Solubility	Easily soluble in water
Theaine	NLT 20% Theaine
Caffeine	NLT1.0%
Drying loss	NMT5.0%
Ash (%)	NMT5.0%
Arsenic(mg/kg)	NMT1ppm
()Heavy metals(mg/kg)	NMT10ppm
BHC	NMT0.1ppm
DDT	NMT0.1ppm
Total plate count(/g)	NMT1000cfu/g
Total YeastMold	NMT100cfu/g
E.Coli	NEGATIVE
Salmonclla	NEGATIVE
Shelf Life	2year if sealed and stored away from direct sun light

green tea 98% L-theanine