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. 2017 Apr 29;22(5):715. doi: 10.3390/molecules22050715

Figure 1.

Figure 1

Effect of monoterpenoids (PF, MPF, MBPF, PD, PDA, AF, BAF, DAF, and GAF) on the production of nitric oxide (NO) in lipopolysaccharide (LPS)-induced RAW 264.7 cells. The cells were treated, respectively, with the 33 μM of the nine different compounds for 2 h, and then stimulated with LPS (1 μg/mL) for 24 h. The culture medium was collected to detect the concentrations of nitrite and calculate the relative NO release rate. (PF, paeoniflorin; MPF, 4-O-methylpaeoniflorin; MBPF, 4-O-methylbenzoylpaeoniflorin; PD, paeonidanin; PDA, paeonidanin A; AF, albiflorin; BAF, benzoylalbiflorin; DAF, debenzoylalbiflorin; GAF, galloylalbiflorin; * p < 0.05, ** p < 0.01, relative to the LPS group).