不同硒源对蛋鸡血硒代谢规律研究
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摘要
硒是一种人和动物体必需的生命元素,参与机体的多种生物学功能。本文通过比较富硒酵母和亚硒酸钠这两种不同硒源的代谢速度和代谢程度差异,蛋鸡血浆中蛋氨酸含量变化规律来比较富硒酵母和亚硒酸钠在体内代谢方式的异同。灌服富硒酵母和亚硒酸钠均能极显著提高蛋鸡血硒含量(P<0.01),摄入硒源1h后,有机硒组和无机硒组血硒含量均极显著高于对照组(P<0.01),2h后有机硒组血硒含量显著高于无机硒组(P<0.05),摄入6～24h有机硒组的血硒含量显著低于无机硒组(P<0.05)。蛋鸡血浆蛋氨酸水平相对稳定,有机硒组蛋鸡血浆蛋氨酸含量变化大,摄入无机硒组的蛋鸡血浆蛋氨酸水平与对照组基本保持稳定。
Selenium is an essential element of life for humans and animals,participating in various biological functions of organism.The metabolism similarities and differences between selenium-enriched yeast and sodium selenite in body were determined by comparing the difference in metabolic rate and metabolic degree between selenium-enriched yeast and sodium selenite,and the changes in plasma methionine levels in laying hens in this paper.Selenium-enriched yeast and sodium selenite increased the blood selenium content of hens significantly.After one-hour selenium intaking,the organic selenium group and inorganic selenium group had selenium.The selenium contents were significantly higher in organic selenium group than in inorganic selenium group after 2h,and the organic selenium group was significantly lower than that inorganic selenium group after6-24 hof intaking.By comparing the differences in plasma methionine levels between organic and inorganic selenium groups,the metabolic patterns of organic and inorganic selenium are different,which may be due to the different ways in which selenium participates in blood circulation.
Selenium is an essential element of life for humans and animals,participating in various biological functions of organism.The metabolism similarities and differences between selenium-enriched yeast and sodium selenite in body were determined by comparing the difference in metabolic rate and metabolic degree between selenium-enriched yeast and sodium selenite,and the changes in plasma methionine levels in laying hens in this paper.Selenium-enriched yeast and sodium selenite increased the blood selenium content of hens significantly.After one-hour selenium intaking,the organic selenium group and inorganic selenium group had selenium.The selenium contents were significantly higher in organic selenium group than in inorganic selenium group after 2h,and the organic selenium group was significantly lower than that inorganic selenium group after6-24 hof intaking.By comparing the differences in plasma methionine levels between organic and inorganic selenium groups,the metabolic patterns of organic and inorganic selenium are different,which may be due to the different ways in which selenium participates in blood circulation.
引文
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[3]王磊,杜菲,孙卉,张春义.人体硒代谢与硒营养研究进展[J].生物技术进展,2015,5(4):285-290.
[4]徐巧林,吴文良,赵桂慎,朱燕云,郭岩彬.微生物硒代谢机制研究进展[J].微生物学通报,2017,44(1):207-216.
[5]秦顺义,赵方红,张建斌,等.富硒益生菌和亚硒酸钠对羔羊生产性能和抗氧化及IL-6水平的影响[J].中国畜牧杂志,2016,(21):86-90.
[6]郑婷婷,王红平,孙卉,王磊,荣祖元,王娟秀,李亚丽,邓远乐,阴文娅.低硒模型大鼠对富硒大米和亚硒酸钠的生物利用效果比较[J].现代预防医学,2017,44(17):3214-3219.
[7]邹悦,梁峰,周烁,徐世文.低硒对鸡红细胞抗氧化功能与免疫功能影响的研究[J].黑龙江畜牧兽医,2017(5):171-175.
[8]刘虎,方热军.硒的功能及其在蛋鸡中的应用[J].湖南饲料,2015(6):21-23.
[9]刘建林,何新乡,何智斌,等.我国硒资源产业现状及创建产业发展基金构想[J].资源开发与市场,2003,(3):135-138.