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  Indian J Med Microbiol
 

Figure 1: Alpinia officinarum Hance extract inhibited the production of nitric oxide in lipopolysaccharide (LPS)-stimulated RAW264.7 macrophages. (a) Cells were treated with or without 1 μg/mL LPS and 0–100 μg/mL of Alpinia officinarum Hance extract for 24 h and cell viability was determined on 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide assay. Results are expressed as percentages of respective control, no-treatment control (NC) values (100%). (b) Cells were incubated with 1 μg/mL LPS and 0–100 μg/mL of Alpinia officinarum Hance extract for 24 h and nitric oxide production rates in media were evaluated on Griess reagent assay. Results are shown as percentages of the LPS only values (100%). #P < 0.05 compared to NC; *P < 0.05 compared to LPS.

Figure 1: <i>Alpinia officinarum</i> Hance extract inhibited the production of nitric oxide in lipopolysaccharide (LPS)-stimulated RAW264.7 macrophages. (a) Cells were treated with or without 1 μg/mL LPS and 0–100 μg/mL of <i>Alpinia officinarum</i> Hance extract for 24 h and cell viability was determined on 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide assay. Results are expressed as percentages of respective control, no-treatment control (NC) values (100%). (b) Cells were incubated with 1 μg/mL LPS and 0–100 μg/mL of <i>Alpinia officinarum</i> Hance extract for 24 h and nitric oxide production rates in media were evaluated on Griess reagent assay. Results are shown as percentages of the LPS only values (100%). <sup>#</sup><i>P</i> < 0.05 compared to NC; *<i>P</i> < 0.05 compared to LPS.