Table 2.

Effect of Chinese herbal medicine on concentrations of plasma metabolites at pre‐infusion period in sheep^a

Items	MH‐diet	CHM‐diet	SEM	p‐value
Free AA (μmol/L)
Threonine	274	232	23	0.07
Valine	322	245	21	0.03
Methionine	22	24	2	0.32
Iso‐leucine	101	89	5	0.16
Leucine	151	120	11	0.04
Phenylalanine	49	45	4	0.28
Histidine	57	49	7	0.40
Lysine	132	121	20	0.47
Serine	166	172	19	0.38
Asparagine	62	43	9	0.06
Glutamic acid	91	88	11	0.75
Glutamine	302	321	42	0.61
Glycine	569	503	52	0.04
Alanine	263	210	24	0.09
Tyrosine	66	51	8	0.33
Tryptophan	37	39	7	0.84
Arginine	134	152	10	0.29
Proline	130	107	14	0.19
Urea (mmol/L)	7.5	6.9	0.4	0.56
NEFA (mEq/L)	0.27	0.19	0.02	0.02

Note. AA, amino acids; CHM‐diet, MH‐diet supplemented with 2% of Chinese herbal medicine; MH‐diet, mixed hay of orchardgrass and reed canarygrass; NEFA, non‐esterified fatty acid.

^aValues represent means and standard error of the mean (SEM) of six sheep.