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d,1-α-生育酚醋酸酯(维生素E):大鼠长期毒性和致癌性研究

d,1-alpha-Tocopheryl acetate (vitamin E): a long term toxicity and carcinogenicity study in rats.

作者信息

Wheldon G H, Bhatt A, Keller P, Hummler H

出版信息

Int J Vitam Nutr Res. 1983;53(3):287-96.

PMID:6629668
Abstract

Rats were fed vitamin E at various dietary concentrations providing dosages of up to 2000 mg/kg bodyweight/day for 104 weeks. Vitamin K supplementation suppressed the induced hypoprothrombinaemia. Growth rate and survival were unaltered by treatment, and, apart from a trend towards fewer mammary tumours in females, the tumour profile was unaffected. Changes in serum liver enzyme activity and in the appearance of the hepatic macrophages suggested a limited hepatic response to vitamin E overload.

摘要

给大鼠喂食不同膳食浓度的维生素E,提供高达2000毫克/千克体重/天的剂量,持续104周。补充维生素K可抑制诱导的低凝血酶原血症。生长速率和存活率不受治疗影响,除了雌性乳腺肿瘤有减少的趋势外,肿瘤谱未受影响。血清肝酶活性的变化和肝巨噬细胞的外观表明肝脏对维生素E过载的反应有限。

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