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Antioxidant and anti-inflammatory activity of PLGA/vanillin films. (A) The representative flow cytometry analysis showing the effects of PLGA/vanillin (P/VA) films on the generation of reactive oxygen species. (B) The effects of vanillin on the production of tumor necrosis factor-alpha (TNF-α) in RAW 264.7 cells. **P<0.01. Values shown are means±SD for quadruplicate cultures. Color images available online at www.liebertpub.com/tea
