Research Article

Metabolite Characteristics in Tongue Coating from Damp Phlegm Pattern in Patients with Gastric Precancerous Lesion

Table 5

Key metabolic pathways identified from the significant differential metabolites in tongue coating between the damp phlegm pattern group and healthy control group.

PathwayRaw ImpactSignificantly different metabolites

GC-TOF-MS metabolomics analysis
Pantothenate and CoA biosynthesis0.0440.180Pantothenic acid

UHPLC-QE-MS positive ion mode metabolomics analysis
Glycerophospholipid metabolism0.0180.231Phosphatidylethanolamine; LysoPC(18:1(9Z))
Sphingolipid metabolism0.0500.017Sphinganine 1-phosphate; lactosylceramide
Glycosylphosphatidylinositol(GPI)-anchor biosynthesis0.1860.044Phosphatidylethanolamine
Arachidonic acid metabolism0.2270.026Leukotriene D4
Valine, leucine and isoleucine degradation0.4460.0353-Methyl-1-hydroxybutyl-ThPP
Starch and sucrose metabolism0.5230.0133-Methoxy-4-hydroxyphenylglycol glucuronide
Pentose and glucuronate interconversions0.5440.0093-Methoxy-4-hydroxyphenylglycol glucuronide
Tyrosine metabolism0.6770.0075,6-Dihydroxyindole

UHPLC-QE-MS negative ion mode metabolomics analysis
Arachidonic acid metabolism0.0420.034Prostaglandin D2