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Purpose: The aim of this work was to investigate the effect of anise decoction consumption on lymphocytes activity, complete blood count (CBC) and nitric oxide (NO) production in BALB/c mice.
Methods: BALB/c mice were given anise tea instead of drinking water and the effect on selected immune parameters was analyzed after 1 and 2 weeks of treatment.
Results: Cell activity of anise treated mice was significantly higher than control group at week 2 as revealed by mixed lymphocyte reaction (MLR2. The spleen cells of anise treated mice showed a significant higher lymphocyte proliferative response to in vitro challenge with phytohaemagglutinin (PHA).compared to controls at week two of treatment. The increase in mouse foot thickness as indicator of delayed type of hypersensitivity (DTH) was less in anise treated mice compared to control group. Nitric oxide production by peritoneal macrophages in response to activation with lipopolysaccharides (LPS) was reduced by anise treatment after 1 and 2 weeks of treatment andno significant changes in CD4 and CD8 were noticed either at week 1 or 2 of treatment.
Conclusion: This study provides preclinical evidence that anise possesses immunomodulatory activity when administered orally in mice and selectively activates cell-mediated immune mechanisms
Keywords: Immunomodulatory, Anise, Traditional medicine