Effects of Garcinia hydroxybiflavanonol-1 (GB1) isolated from Garcinia kola Heckel (Guttiferae) seeds on reproductive toxicity induced with cadmium chloride (CdCl2) in male Wistar rats

Uwagie-Ero E. A.1,* and Nwaehujor C. O.2

1 Department of Surgery, Faculty of Veterinary Medicine, University of Benin, Benin City, Nigeria.
2 Department of Biochemistry, Faculty of Basic Medical Sciences, P.M.B. 1115, University of Calabar, Nigeria.

*Corresponding Author: edwin.uwagie-ero@uniben.edu

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 Vol. 4 No. 1  | March 2020 | Pages 21 – 30

https://doi.org/10.36263/nijest.2020.01.0166

Abstract

ABSTRACT

To examine the effects of Garcinia hydroxybiflavanonol-1 (GB1) isolated from seeds of Garcinia kola Heckel (Guttiferae) on reproductive toxicity induced with cadmium chloride (CdCl2) in male Wistar rats. Rats were randomly assigned to Groups 1 to 3 (n = 12) as follows; A: control, B: CdCl2 only group, C: CdCl2+GB1. Cadmium toxicity was induced by including 2.5 mg/kg of CdCl2 into the rats’ drinking water and GB1 was dissolved in 0.5 % Tween20 and administered per os daily for 90 days. Four (4) animals from each group was humanely euthanized every 30 days. The testes were exteriorized and sperm cells collected from the caudal epididymis for analysis and histology.The result showed accumulation of Cadmium (Cd) in the testes of Wistar rats and a significant decrease (p< 0.05) in sperm count and sperm motility in Group B compared to Groups A and C. There was also a significant increase (p< 0.05) in immotile sperm count, headless sperm count and sluggish sperm count in Group B. Histology results revealed that CdCl2 significantly reduced the volume of spermatozoa in the seminiferous tubules and resulted in reduced spermatogenesis observed, in reduced number of sperm counts and histology. Amelioration with GB1 restored the testicles to normal spermatogenic activities after 90 days of treatment.

Keywords: Garcinia kola seeds, Garcinia hydroxybiflavanonol-1 (GB1), cadmium chloride (CdCl2), toxicity, Wistar rats, male reproduction.

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Uwagie-Ero E. A. and Nwaehujor C. O., 2020. Effects of Garcinia hydroxybiflavanonol -1 (GB1) isolated from Garcinia kola Heckel (Guttiferae) seeds on reproductive toxicity induced with cadmium chloride (CdCl2) in male Wistar rats. Nigerian Journal of Environmental Sciences and Technology, 4(1), pp. 21-30. https://doi.org/10.36263/nijest.2020.01.0166