Research on Differential Metabolites in Distinction of Rice (Oryza sativa L.) Origin Based on GC-MS

Table 3

Metabolic pathways of the differential metabolites.

Metabolic pathways	Total	Expected	Hits	Raw p	Compounds	Pathway
Fatty acid biosynthesis	47	0.20668	2	0.01545	C00712, C06424	osa00061
Glycerolipid metabolism	14	0.061566	1	0.06017	C00116	osa00561
Phenylalanine, tyrosine, and tryptophan biosynthesis	22	0.096746	1	0.09323	C00463	osa00400
Galactose metabolism	26	0.11434	1	0.10941	C00116	osa00052
Pyrimidine metabolism	39	0.1715	1	0.1604	C00214	osa00240

Total: the total number of metabolites in the target metabolic pathway; hits: the number of differential metabolites in the target metabolic pathway; raw p: value of the hypergeometric distribution test; Holm adjust: value after false-positive correction; compounds: number of differential metabolites in KEGG; pathway: number of metabolic pathways in KEGG.