Despite its high content of flavonoids, bergamot (Citrus bergamia) juice, is considered a waste product of the essential oil industry. In the present contribution, the potential of bergamot juice against inflammation process is highlighted. After a fast and accurate characterization, by a novel UHPLC-IT-TOF platform, we evaluated the in vitro effect of bergamot juice against inflammatory response induced by Escherichia coli lipopolysaccharide (LPS) in J774A.1 murine macrophages. Bergamot juice reduced reactive oxygen species (ROS) release and other important pro-inflammatory mediators, such as nitric oxide (NO), inducible nitric oxide synthase (iNOS) and cycloxygenase-2 (COX-2) protein expression. Moreover, the cytoprotective haem-oxygenase-1 (OH-1) enzyme expression in LPS-stimulated J774A.1 macrophages was enhanced. Our results demonstrated that bergamot juice acts as antioxidant and anti-inflammatory agent in LPS-treated J774A.1 macrophages.
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