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Effect of flavonoïds on nitric oxide production in PHA-stimulated PBMC of healthy controls. PBMC (5 × 106 cells/mL) were stimulated with PHA then cultured with or without flavonoïds (5, 10, 30, 40 and 50 μg/mL). The cell-free supernatants were collected and NO concentration was determined by Griess modified method. The data represents the mean ± S.D. of triplicate cultures.* p < 0.05 NO rates was significantly different from the control value (ANOVA with post-hoc test).
