Table 5. Differential metabolites in colonic luminal content of weaned piglets between different treatments.

Metabolites	R.T.	Mass	Differential metabolites in colonic luminal content		VIP	p-value	Fold change
			BFLD group	BCPD group
D-Glyceric acid	11.11	189	0.0137 ± 0.00	0.0392 ± 0.01	2.20	0.020	0.35
Melibiose	25.68	204	0.0010 ± 0.00	0.0062 ± 0.00	2.01	0.041	0.16
Sucrose	24.10	361	0.0017 ± 0.00	0.0045 ± 0.00	1.92	0.034	0.38
Gluconic acid	18.76	333	0.0004 ± 0.00	0.0015 ± 0.00	2.47	0.002	0.27
Succinic acid	10.92	147	2.2537 ± 0.66	4.9267 ± 0.97	1.83	0.047	0.46
Pyruvic acid	7.16	174	0.0148 ± 0.01	0.0801 ± 0.02	2.05	0.035	0.18
Glutamic acid	14.77	246	0.3112 ± 0.07	0.6594 ± 0.10	2.10	0.018	0.47
Beta-Alanine	12.42	248	0.0171 ± 0.00	0.0362 ± 0.00	2.09	0.018	0.47
Aspartic acid	12.37	160	0.0145 ± 0.00	0.0479 ± 0.01	2.12	0.030	0.30
Oxoproline	13.66	156	6.8206 ± 1.26	11.9747 ± 1.22	2.14	0.015	0.57
Stigmasterol	28.81	255	0.4551 ± 0.09	0.1490 ± 0.08	1.93	0.033	3.05