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Effect of black rice leaf CEE and its solvent fractions on the viability of (A) and the production of nitric oxide (NO) by (B) RAW 264.7 cells stimulated with LPS. ## p < 0.01, compared with non-stimulated LPS; * p < 0.05 and ** p < 0.01 compared with 100 ng/mL, LPS-stimulated.
