Journal
FOOD AND CHEMICAL TOXICOLOGY
Volume 38, Issue 6, Pages 503-512Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0278-6915(00)00036-3
Keywords
bovine lactoferrin; oral administration; rats; repeated dose toxicity study
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Bovine lactoferrin (LF), which is an iron-binding glycoprotein in milk, was administered orally to groups of 12 males and 12 female rats at dose levels of 200, 600 and 2000 mg/kg/day once daily for 13 weeks and its toxicity on repeated administration was examined. Throughout the administration period, there were no deaths caused by administration of the test compound, nor were there any adverse effects noted in the general condition of the animals. The study findings concerning body weight and food consumption, ophthalmology, urinalysis including water consumption, haematology, blood chemistry, necropsy, organ weights and histopathology revealed that there were no apparent changes due to administration of LF. Therefore, the level of LF at which no adverse effect was observed was considered to be 2000 mg/kg/day for both sexes. (C) 2000 Elsevier Science Ltd. All rights reserved.
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