Table 4.

Effects of bisdemethoxycurcumin on the activities of the mitochondrial respiratory complexes (I-V) of jejunum and ileum in LPS-treated broilers.

Items	LPS (-)		LPS (+)		SEM	P
	CON 2	BIS	LPS	L-BIS		Diet	Stress	D × S
Jejunum
Complex I (μmol NADH/min/mg protein)	9.90a	9.85a	6.16b	8.83a	0.237	0.014	<0.001	0.011
Complex II (μmol NADH/min/mg protein)	6.76a	6.64a	4.46b	6.28a	0.215	0.066	0.007	0.038
Complex III (μmol cytochrome c/min/mg protein)	16.66	17.12	11.51	14.54	0.528	0.118	0.002	0.242
Complex IV (μmol CoQH2/min/mg protein)	28.98a	28.49a	17.12b	24.19a	0.633	0.019	<0.001	0.009
Complex V (μmol DCPIP/min/mg protein)	44.95	47.27	32.62	42.05	1.266	0.034	0.003	0.180
Ileum
Complex I (μmol NADH/min/mg protein)	10.12	9.98	6.87	8.19	0.132	0.042	<0.001	0.130
Complex II (μmol NADH/min/mg protein)	6.29	6.52	4.29	5.85	0.142	0.006	<0.001	0.320
Complex III (μmol cytochrome c/min/mg protein)	20.00a	19.27a	12.96b	18.59a	0.412	0.009	<0.001	0.001
Complex IV (μmol CoQH2/min/mg protein)	27.56ab	28.10a	20.87c	24.61b	0.374	0.011	<0.001	0.048
Complex V (μmol DCPIP/min/mg protein)	42.23	44.76	28.36	36.84	0.733	0.002	<0.001	0.059

CON: broiler chickens fed a basal diet; BIS: broiler chickens fed a basal diet with 150 mg/kg bisdemethoxycurcumin; LPS: broiler chickens fed a basal diet with LPS injection; L-BIS: broiler chickens fed a basal diet with LPS injection and 150 mg/kg bisdemethoxycurcumin. Diet: 0 or 150 mg/kg bisdemethoxycurcumin treatment; stress: saline or LPS challenge; D × S: interaction between bisdemethoxycurcumin treatment and LPS challenge. Data were expressed as means and SEM, n = 8 replicates per treatment and 10 birds per replication. Means within a row with no common superscript differ P < 0.05.