when the native plasma was stored the following changes were observed after four weeks ( fractions , mean +/- sem ) : increase of glutamic acid ( to 1.30 +/- 0.11 ) , decrease of glutamine ( to 0.91 +/- 0.03 ) , half-cystine ( to 0.24 +/- 0.09 ) and arginine ( to 0.94 +/- 0.02 ) .
C0061472
glutamic acid
C0017797
glutamine