Gamma-Glutamylmethylamide
Encyclopedia
gamma-Glutamylmethylamide, also known as GMA, N-methyl-L-glutamine, and metheanine, is an amino acid
found in green tea
, which is structurally related to L-theanine
and L-glutamine
.
GMA has been shown to be an effective hypotensive, more so than L-theanine.
Amino acid
Amino acids are molecules containing an amine group, a carboxylic acid group and a side-chain that varies between different amino acids. The key elements of an amino acid are carbon, hydrogen, oxygen, and nitrogen...
found in green tea
Green tea
Green tea is made solely from the leaves of Camellia sinensis that have undergone minimal oxidation during processing. Green tea originates from China and has become associated with many cultures throughout Asia. It has recently become more widespread in the West, where black tea is traditionally...
, which is structurally related to L-theanine
Theanine
Theanine , also gamma-glutamylethylamide or 5-N-ethyl-glutamine, is an amino acid and a glutamic acid analog commonly found in tea , primarily in green tea, and also in the basidiomycete mushroom Boletus badius and in guayusa. More specifically, this compound is called L-theanine, being the...
and L-glutamine
Glutamine
Glutamine is one of the 20 amino acids encoded by the standard genetic code. It is not recognized as an essential amino acid but may become conditionally essential in certain situations, including intensive athletic training or certain gastrointestinal disorders...
.
GMA has been shown to be an effective hypotensive, more so than L-theanine.