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題 名 | 攝食高劑量鋁對大白鼠生長、生殖及其體內鋁含量之影響 |
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作 者 | 陳君安; 王果行; 蔡敬民; | 書刊名 | 中華民國營養學會雜誌 |
卷 期 | 18:3/4 民82.10 |
頁 次 | 頁137-149 |
分類號 | 415.121 |
關鍵詞 | 鋁; 胎數; 血清; 器官; 攝食; Aluminum; Litter size; Serum; Organ; Ingestion; |
語 文 | 中文(Chinese) |
中文摘要 | 本實驗目的在研究攝食鋁對大白鼠血清及各器官內鋁含量之影響,以及是否影響其生長生殖。十八隻斷奶雌性大白鼠分三組由飲水給予不同劑量硝酸鋁,鋁含量依次為控制組0g/l,低鋁組0.5g/l及高鋁組2g/l,飼養十八週,取血清和腦、心、肝、肺、腎、脾等器官,稱重並分析鋁含量,此外,腦部作組織切片,染色檢視有無鋁的沈積及病變發生。結果顯示高鋁組大白鼠體重最輕(p<0.05),單位體重之攝取量及飼料效率在三組間無顯著差異,所以高鋁組應無營養不良之情形,而由單位體重飲水量得知高鋁組確實飲水較少(p<0.05),綜合飼料和飲水鋁含量所得之鋁攝取量分別是控制組14.5±0.8mg/kg b.w.,低鋁組106.5 ± 6.8mg/kg b.w.,及高鋁組296.4 ± 19.5mg/kg b.w.,比例為1:7.3:20.4。此外血清及肺、脾臟鋁含量皆以高鋁組最高(p<0.05),且高鋁組母鼠所生幼鼠胎數最少(p<0.05)。因此攝食鋁確實會被吸收而使血清及肝、脾等器官鋁含量上升,高鋁組之鋁攝取量高達控制組的二十倍,影響其生長及生殖能力。 |
英文摘要 | The purpose of this study was to investigate the effects of aluminum (A1)ingestion on growth, reproduction and tissue A1 contents in female SpragueDawley rats. Weaning female rats were fed A1 at dosages of 0 (Control), 0.5 (Low-AI) and 2 g/l (High A1) as aluminum nitrate. Treatment continuing throughout maturity, gestation and parturation except mating. Aluminum content ofserum and organs of rats were determined. Right brains of rats were sectionedand stained for examination of the aluminum deposition and possible pathological effects. A significant decrease in the weight gain of the animals receiving 2 g/l ofaluminum was observed (p < 0.05). However, dams of High-A1 group were probably not malnourished because there was no significant difference in take perunit body weight and feed efficiency among three groups. Nevertheless, therewas a significant decrease of water intake with increasing of Aluminum intake (p< 0.05). Serum, lung and spleen aluminum content also higher in High-A1 groupthan that in other groups (p < 0.05). Mean-while, Neonates of High-A1 grouphad smaller litter size (p < 0.05). It was concluded that dietary aluminum could be absorbed and resulted elevation of the aluminum levels of serum, and organs in dams. The placenta probably could partially protect the fetus from A1. On the other hand, the High-A1 groupdams which ingested as much of twenty times of aluminum as control group,were influenced by aluminum on growth and reproduction. Therefore, it wassuggested that high amount of aluminum should not be ingested especially duringgestation. |
本系統中英文摘要資訊取自各篇刊載內容。