L-Theanine CAS 3081-61-6 CAS NO.3081-61-6

l-theanine cas 3081-61-6 is derived from tea leaves. tea is native to eastern asia and is a member of the theaceae family. this evergreen shrub or tree grows to over 9 m in height and is pruned from 60 cm to 1.5 m for cultivation. its dark green, serrated-edged leaves are alternate and oval, while its white and fragrant blossoms appear singly or in clusters.

l-theanine has mood-modulating activity,anti-cancer,diminishing symptoms of pms,improving learningperformance,heightening mental acuity-neurotransmitter,promoting concentration,acting antagonistically against the paralysis induced by caffeine,supporting the immune system,lowering blood pressure,increasing brain dopamine levels among others.

specification
appearance white crystalline powder
specific rotation(a)d20 (c=1 , h2o ) +7.7°to +8.5°
solubility (1.0g/20ml h2o) clear colorless
melting point (℃) 211-216 ℃
chloride(c1) not more than 0.02%
iron(fe) not more than 10ppm
heavy metals( pb ) not more than 10ppm
arsenic(as2o3 ) not more than 4ppm
loss on drying( 100 ¡æ 3h) not more than 0.50%
residue on ignition not more than 0.2%
assay 98.0%-102.0%
ph 5.0~6.0

usage
·pharmaceutical raw materials
·food and drink for health care
·food additive

packing
25kg/fiber drum or 25kg/bag

storage
placed in sealed container and kept in a cool and dry place.
avoid strong vibration,insolation,high temperature,smoke and fire.