TNF-α, IL-6 and MCP-1 concentration in the serum after different treatments.

-: undetectable. Sensitivity of these assays is 5 pg/mL for TNF-α, 21 pg/mL for IL-6, less than 8.0 pg/mL for MCP-1.Saline+water: saline injection and fed with water; LPS+water: LPS injection and fed with water; LPS+GTE1: GTE was fed once after LPS injection; LPS+GTE2: GTE was fed twice after LPS injection; LPS+GTE4: GTE was fed four times after LPS injection; LPS+Dxm: Dxm was fed once after LPS injection; Saline+GTE4: saline injection and fed as GTE4; **p