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Abstract
The protective effect of sodium bicarbonate (NaHCO3), a urine modifier, to alleviate murine ochratoxicosis was investigated. The study included two trials. Urinary pH was altered before oral administration of ochratoxin A (OA) in Trial 1, and animals were given combined doses of OA and ethyl biscoumacetate (Eb) in Trial 2. Acute toxicity of OA as measured by LD50 values was reduced by 23% and 20% in rats treated with NaHCO3 for Trials 1 and 2 respectively. Bicarbonate‐treated rats dosed with 20 mg/kg OA or with a combination dose of OA at 17 mg/kg and Eb at 50 mg/kg, had a lower frequency of histological lesions in kidneys, liver, lung, spleen and heart. Two types of heart lesions found in the present study are described.
Notes
to whom correspondence should be addressed