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Protective Role of Water Extract of Unripe Pulp of Carica papaya (Fruit) Against a Potassium Bromate Induced Tissue Damage in Wistar Rats
並列摘要
The aim of this study was to evaluate the protective role of water extract of unripe pulp of Carica papya against potassium bromate induced tissue damage in wistar rats. Twenty (20) rats were grouped into five groups of four rats each. Group A (base-line control), was administered 1ml of 0.25M sucrose solution. Group B was not pretreated with the extract but induced with KBrO_3. Group C and D were pretreated with 250 mg/kg and 500 mg/kg body weight of the extract respectively. Tissue damage was induced in Group B, C, and D by oral administration of 60mg/kg body weight of potassium bromate. The rats were sacrificed eight hours after KBrO_3 induction and, the liver, spleen, brain, kidney, heart and stomach were collected. The organ to body weight ratio, total protein, amino acid and malondialdelhyde level were evaluated in the tissue. The result showed a significant increase (p＜0.05) in all these parameters in Group B when compared with Group A. Except for the liver that increases in total amino acid and total protein level in Group C, the organ to body weight ratio, total amino acid level, total protein level and malodialdehyde level of all the tissues investigated decreases significantly (p＜0.05) in Group C and D when compared with Group B. This suggests that the water extract of unripe pulp of Carica papaya (fruit) has a protective role against tissue damage induced by KBrO_3.