Glucose reaction with fumonisin B1 partially reduces its toxicity in swine |
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Authors: | Fernández-Surumay Guillermo Osweiler Gary D Yaeger Michael J Hauck Catherine C Hendrich Suzanne Murphy Patricia A |
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Institution: | Interdepartmental Toxicology Program, Department of Veterinary Diagnostic and Production Animal Medicine, Iowa State University, Ames, IA 50011, USA. |
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Abstract: | Acute and subacute intraperitoneal doses of fumonisin B(1) (FB(1)) were administered to test the efficacy of the FB(1)-glucose reaction products in detoxifying FB(1) in swine. In the acute study at 11 mumol of FB(1)/kg of body weight, five of six pigs administered FB(1) and four of six pigs administered FB(1)-glucose died from acute pulmonary edema. Analysis of weight gain, serum aspartate aminotransferase and gamma-glutamyltransferase, total cholesterol, and pathological evaluation did not provide evidence of protection against FB(1) toxicity by the FB(1)-glucose reaction products. In the subacute study at 5.5 mumol of FB(1)/kg of body weight, one pig administered FB(1) died from liver damage. Analysis of serum aspartate aminotransferase, gamma-glutamyltransferase, and total bilirubin showed protection against FB(1) toxicity by the FB(1)-glucose reaction products. The levels of sphinganine and sphinganine/sphingosine ratios in serum and liver as well as pathologic findings provided definitive evidence of protection against the FB(1) toxic effects by this detoxification procedure (p < 0.05). |
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