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Year : 2010  |  Volume : 20  |  Issue : 4  |  Page : 223-224

Onion-cadmium-renal function: Relationship?

Wiwanitkit House, Bangkhae, Bangkok - 10160, Thailand

Date of Web Publication1-Dec-2010

Correspondence Address:
V Wiwanitkit
Wiwanitkit House, Bangkhae, Bangkok - 10160
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0971-4065.73434

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How to cite this article:
Wiwanitkit V. Onion-cadmium-renal function: Relationship?. Indian J Nephrol 2010;20:223-4

How to cite this URL:
Wiwanitkit V. Onion-cadmium-renal function: Relationship?. Indian J Nephrol [serial online] 2010 [cited 2022 Jan 27];20:223-4. Available from:


I read the recent report by Ige et al, with a great interest. [1] Ige et al, concluded that "Cd exposure causes renal dysfunction, but oral administration of onion could prevent it." [1] This animal model study is very interesting but further implication for clinical practice in human beings should be carefully done. First, the study on a few subjects in this work might have limitation in identification of toxicity and confirmation of effectiveness of the extract. Second, whether the extract process has any modification in biochemical and physical properties of active herbal gradients in onion is questionable. If there is any modification, the actual clinical use must be the extracted regimen not crude onion. Third, the metabolism of Cd is affected by cytochrome polymorphism. [2] There is no information on this aspect for studied subjects in the report by Ige et al. [1] Finally, if onion has actual pharmacological effect for the improvement of renal function, the exact dosage for human beings has to be further assessed.

  References Top

1.Ige SF, Salawu EO, Olaleye SB, Adeeyo OA, Badmus J, Adeleke AA. Onion (Allium cepa) extract prevents cadmium induced renal dysfunction. Indian J Nephrol 2009;19:140-4.  Back to cited text no. 1
[PUBMED]  Medknow Journal  
2.Thιvenod F. Nephrotoxicity and the proximal tubule: Insights from cadmium. Nephron Physiol 2003;93:87-93.  Back to cited text no. 2


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Indian Journal of Nephrology
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