Table 2. Evaluation of a LC/CE-MS method for quantitative amino acid analysis before and after the APPJ treatment in different feeding gases.

Amino acids	Control (μg/ml)	Air plasma (μg/ml)	N2 plasma (μg/ml)	Ar plasma (μg/ml)
Glycine	321.621	392.603	358.983	372.428
L-Glutamic acid	125.905	154.270	165.820	135.203
L-Asparagine	142.092	223.006	127.954	152.760
L-Arginine	164.200	216.779	208.316	180.331
L-Alanine	215.404	273.321	290.671	261.111
L-Threonine	235.175	799.575	785.921	762.577
L-Proline	81.939	243.887	249.620	225.251
L-Lysine	87.828	102.030	99.687	90.909