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  • Title: [Effect of long-term intake of Y3+ in drinking water on learning-memeory functions and growth-development of rats].
    Author: Wu MY, Zhang P, Yang WD, Liu JS.
    Journal: Wei Sheng Yan Jiu; 2006 May; 35(3):283-5. PubMed ID: 16921748.
    Abstract:
    OBJECTIVE: The aim of this paper was to learn the effect of long-term intake of Y3+ in drinking water on learning-memory function and growth-development of rats. METHODS: The rats were fed with water dissolved different level Y3+ (0, 0.534, 53.4, 5340 mg/L) for 6 months, pregnant rate, survive rate, bear rate, variety in weight were calculated, the learning-memory function was observed by step-down test. RESULTS: The results showed that a significantly decrease in electric shock period and an increase in incubation period were observed for the low dose group, in contrast, a significantly increase in electric shock period and error times, and an decreases in weight and survive rate were observed for the high dose group. CONCLUSION: Y3+ in 0.534 mg/L might improve the function of learning and memory in rats, and that Y3+ in 5340mg/L could restrain both the function of learning-memory functions and growth-development in rats.
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