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African Journal of Traditional, Complementary and Alternative Medicines
African Ethnomedicines Network
ISSN: 0189-6016
Vol. 9, No. 3, 2012, pp. 374-379
Bioline Code: tc12051
Full paper language: English
Document type: Research Article
Document available free of charge

African Journal of Traditional, Complementary and Alternative Medicines, Vol. 9, No. 3, 2012, pp. 374-379

 en EFFECT OF ALLIUM CEPA check for this species in other resources AND ALLIUM SATIVUM check for this species in other resources ON SOME IMMUNOLOGICAL CELLS IN RATS.
Mirabeau, Tatfeng Y. & Samson, Enitan S.

Abstract

Extracts of some spices have been reported to play a contributory role in enhancing immune function. We evaluated and compared the effect(s) of single and combined oral administration of fresh aqueous onion (Allium Cepa check for this species in other resources ) and garlic (Allium sativum check for this species in other resources ) extracts at different concentrations on some immunological determinants in rats. CD4 cells of the rats were estimated using Partec flow cytometric technique, while total and differential white blood cell (WBC) counts were estimated using the Sysmsex® automated haematology analyzing technique. Our findings revealed that, CD4 and total WBC counts were significantly increased (P≤0.05) in a dose-dependent manner in both onion (250mg/Kg/d: 349±11cell/ul and 2.75±0.15X103cell/l; 500mg/Kg/d: 389±10cells/μl and 3.05±0.05 X103cell/l; 750mg/Kg/d: 600±11cell/μl and 3.25±0.05X103cells/l) and garlic (250mg/Kg/d: 410±10cell/ul and 2.85±0.15X103cell/l; 500mg/Kg/d: 494±32cells/μl and 3.30±0.10 X103cell/l; 750mg/Kg/d: 684±11cell/μl and 3.55±0.05X103cells/l) treated rats when compared to the zero control (200±11cells/μl and 1.55±0.05X103cells/l, respectively). Extract of garlic at 750mg/Kg/d had significantly increased the CD4 cells and total white cell count when compared to other concentrations (P≤0.05). However, no significant effect was observed on these parameters when extracts were combined (250mg/Kg/d: 252±21cell/μl and 1.80±0.10X103cells/l; 500mg/Kg/d: 315±21cells/ul and 2.10±0.10X103cells/l; 750mg/Kg/d: 368±10cells/μl and 2.35±0.05X103cells/l, respectively), the differential WBC count showed a significant increase in the proportion of cell types (lymphocytes, neutophils and monocytes) (P≤0.05). The results from this study revealed the immune boosting capabilities of Allium cepa and Allium sativum, but underscored their synergistic activities.

Keywords
Allium cepa and Allium sativum; immunological cells; rats

 
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