of the 24 amino acids analyzed , threonine , serine , citrulline , tyrosine , proline , alanine , cystine , isoleucine , ornithine , lysine , and arginine were decreased at 8 a.m. or 4 p.m. and plasma cortisol was elevated at 4 p.m. in patients with status asthmaticus when compared with the other groups ( p less than 0.05 ) .
C0002520
amino acids
C0001898
alanine