Fig. 2From: Rhein exhibits antioxidative effects similar to Rhubarb in a rat model of traumatic brain injuryIdentification of Rhein in the brain tissue of a CCI rat by Ultra-high Performance Liquid Chromatography with tandem mass spectrometry (UPLC-MS/MS) analysis. Representative MRM chromatograms of Rhein in brain sample. a Brain sample detection at 1Â h after intragastric administration of Rhubarb (12Â g/kg); (b) Blank brain tissue spiked with reference RheinBack to article page