| 低分子壳聚糖对罗非鱼肝组织抗氧化能力和肝脂含量影响的研究 |
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| 引用本文： | 刘兴国,宋理平,周洪琪. 低分子壳聚糖对罗非鱼肝组织抗氧化能力和肝脂含量影响的研究[J]. 海洋渔业, 2004, 26(4): 291-294 |
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| 作者姓名： | 刘兴国 宋理平 周洪琪 |
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| 作者单位： | 中国水产科学研究院水处理与系统装置重点开放实验室,上海,200092;上海水产大学生命技术学院,上海,200090 |
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| 基金项目： | 上海水产大学国家重点学科建设专项基金资助项目 ( 0 3SC0 6 ) |
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| 摘 要： | 采用单因子浓度梯度法，研究低分子壳聚糖(SMW-chitosan )对尼罗罗非鱼(Tilapia niloticn)肝组织抗氧化能力和肝脂含量的影响实验发现．0．25％低分子壳聚糖能显著提高罗非鱼肝组织抗超氧阴离f自由基和超氧化物岐化酶(SOD)浓度。适宜剂量的低分子壳聚精可降低罗非鱼的肝脂含量．其中O．50％低分子壳聚糖的降肝脂效果最为显著。实验表明，适宜剂量的壳聚糖可有效地提高罗非鱼的肝组织抗氧化能力．降低肝脏的脂肪含量。
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| 关 键 词： | 低分子壳聚糖 尼罗罗非鱼 抗超氧阴离子 超氧化物岐化酶 肝脂含量 |
| 文章编号： | 1004-2490(2004)04-0291-04 |
The effect of SMW-chitosan on the oxidation resistance capability and fat content in the liver tissue of Tilapia nilotica |
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| LIU Xing-guo ,SONG Li-ping ,ZHOU Hong-qi. The effect of SMW-chitosan on the oxidation resistance capability and fat content in the liver tissue of Tilapia nilotica[J]. Marine Fisheries, 2004, 26(4): 291-294 |
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| Authors: | LIU Xing-guo SONG Li-ping ZHOU Hong-qi |
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| Affiliation: | LIU Xing-guo 1,SONG Li-ping 2,ZHOU Hong-qi 2 |
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| Abstract: | The effect of SMW-chitosan on the liver tissue oxidation resistance capacity and liver fat content in Tilapia nilotica was studied by using single factor density gradient method. The experiments showed that 25% of SMW-chitosan could obviously raise the liver tissue superoxide anion resistance and SOD content. The suitable amount of SMW-chitosan could descend the liver fat content, of which 0.5% of SMW-chitosan could descend the liver fat content most prominently. Hence, the right proportion of SMW-chitosan can improve Tilapia liver tissue oxidation resistance capacity and descend liver fat content effectively. |
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| Keywords: | SMW-chitosan Tilapia nilotica superoxide anion resisitance SOD liver fat content |
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