Table 4.

Occurrences of ≥ 8-fold metabolite concentration differences between Gb and Gh fiber. Concentration differences were calculated from data in Additional file 3, which contains the p-values. FDR q-values were determined as in Table 1

	Higher concentration in Gb fiber					Higher concentration in Gh fiber
DPAa	Biochemical	Fold- change	FDR		DPAa	Biochemical	Fold-change	FDR
28 DPA	ascorbate	138.27	0.00		10 DPA	serylleucine	38.82	0.00
15 DPA	leucocyanidin	79.89	0.00		10 DPA	dihydrokaempferol	17.02	0.00
21 DPA	ascorbate	50.36	0.04		10 DPA	N-acetylmethionine	16.11	0.00
18 DPA	ascorbate	46.12	0.02		10 DPA	adenosine	12.53	0.00
15 DPA	catechin	30.18	0.00		10 DPA	valylisoleucine	11.81	0.00
10 DPA	gallocatechin	23.37	0.00		10 DPA	histidylleucine	11.53	0.00
10 DPA	glutamate	23.27	0.00		10 DPA	leucylglutamate	11.44	0.00
28 DPA	adenosine 5’-diphosphate (ADP)	22.51	0.00		10 DPA	lysylleucine	11.12	0.00
28 DPA	leucocyanidin	17.02	0.00		10 DPA	threonylleucine	11.10	0.00
10 DPA	leucocyanidin	13.84	0.01		18 DPA	phenethylamineb	11.07	0.00
28 DPA	catechin	12.80	0.00		21 DPA	phenethylamineb	10.86	0.00
18 DPA	glutathione, reduced (GSH)	12.61	0.00		10 DPA	alanylleucine	10.59	0.00
28 DPA	gallocatechin	12.49	0.00		10 DPA	sucrose	9.27	0.00
15 DPA	gallocatechin	11.40	0.00		10 DPA	serylphenyalanine	9.25	0.00
15 DPA	epicatechin	11.26	0.00		10 DPA	alanylvaline	9.23	0.00
28 DPA	stachyose	10.83	0.00		10 DPA	alanylphenylalanine	8.86	0.00
10 DPA	caffeate	9.31	0.00		15 DPA	histidylleucine	8.85	0.00
21 DPA	glutamate	9.07	0.03		18 DPA	thymidine	8.69	0.00
18 DPA	glutamate	8.83	0.00		10 DPA	glycylleucine	8.61	0.00
28 DPA	glucarate	8.51	0.00		10 DPA	valylleucine	8.60	0.00
					15 DPA	alanylisoleucine	8.38	0.00
					15 DPA	alanylvaline	8.20	0.00
					18 DPA	adenosine	8.19	0.00
					10 DPA	inosine	8.15	0.00
					10 DPA	aspartylleucine	8.00	0.00

^aDPA at which the high fold change relative to the other fiber genotype was observed; ^bisobar with 1-phenylethanamine