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Table 3 Percentage of phagocytic activity (%) of neutrophils at different concentrations of test samples derived from Zingiber zerumbet

From: Standardized ethanol extract, essential oil and zerumbone of Zingiber zerumbet rhizome suppress phagocytic activity of human neutrophils

Sample (μg/mL)

Concentration (μg/mL)

50

12.5

3.13

Z. zerumbet extract (ZZE)

55.43 ± 0.77*

58.50 ± 1.15*

59.30 ± 0.68*

Z. zerumbet essential oil (ZZEO)

69.20 ± 0.74*

70.83 ± 1.48*

77.87 ± 1.18*

 

10

2.5

0.63

Zerumbone (ZER)

76.97 ± 1.15*

77.73 ± 2.48*

79.70 ± 3.08*

Positive control

93.03 ± 1.56

  1. Data are presented as mean ± SEM, n = 3. Data were analyzed by one-way ANOVA followed by Dunnet’s post hoc test. Significance of differences with respect to control: *p < 0.05