Table 3.

KEGG pathways representing the differentially expressed compounds in asthma patients compared with healthy control using UHPLC-QTOF-MS in positive ion mode

Pathway	Compounds
Metabolic pathways-Homo sapiens (human)	Adenine, Phosphatidylcholine, L-Citrulline, Phosphatidylethanolamine, Sphingomyelin, Betaine, 2-Methylprop-2-enoyl-CoA
Retrograde endocannabinoid signaling-Homo sapiens (human)	Phosphatidylcholine, Phosphatidylethanolamine
Glycerophospholipid metabolism-Homo sapiens (human)	Phosphatidylcholine, Phosphatidylethanolamine