无机硒

用四氧嘧啶致高血糖SD大鼠模型，研究无机硒对高血糖大鼠的作用，并对其作用机制进行初步探讨。

To investigate the effect of inorganic Se in pathological model of rats induced by alloxan and discuss its original mechanism .

大蒜对硒具有强的生物富集作用，并能将吸收的无机硒的78.24%转化为有机硒。

The garlic possessed a great ability of Se biological accumulation . 78.24 % inorganic Se absorbed was changed into organic Se .

结果表明，添加不同硒源对肉仔鸡的屠宰性能和内脏器官发育无显著影响（P0.05）；有机硒较无机硒能显著提高肌肉的红度，显著降低肌肉的滴水损失。

The results showed that different selenium sources did not affect slaughter performance of the broilers . Compared with inorganic Se , organic Se significantly increased the meat red color degree , and decreased drip loss .

灵芝（Ganodermalucidum）菌丝体通过生物转化作用富集无机硒，分别经水、碱水浸提，醇析，去蛋白，脱色后，得到灵芝硒多糖粗提物。

The organic selenium in mycelia of Ganoderma lucidum was enriched by biotransformation . After being extracted in hot water and hot basic water , the extraction were precipitated in ethanol .

在3、4周龄时，0.30mg/kg有机硒组肉仔鸡的羽毛评分值最高，与对照组及0.15mg/kg无机硒组相比，差异达到了显著水平（P＜0.05）；

At the end of week 3 and 4 , feather scores of birds fed 0 . 30mg / kg organic Se were significantly higher than those of the control group and those of the group at 0.15mg/kg in organic Se ( P < 0 . 05 ) .

⑹本研究结果表明，异育银鲫在获得最佳特定生长率、饲料效率、蛋白质效率、全鱼和肌肉硒含量时，饲料中硒含量分别为有机硒、无机硒为1.2mg/kg、0.6mg/kg。

⑹ The results of this study show that gibel best in the specific growth rate , feed efficiency , protein efficiency and whole fish and muscle selenium content , the feed content of selenium in organic selenium and inorganic selenium to 1.2mg / kg , 0.6 mg / kg .

钝顶螺旋藻对不同无机硒的吸收研究

A study on absorption of different inorganic selenium by Spirulina platensis

口服补充无机硒通过血脑屏障和胎盘屏障的实验研究

The permeability of blood-brain barrier and placenta to selenium in rat

活性干酵母对无机硒生物转化作用的研究

Study on bioconversion of inorganic selenium by active dry yeast

渤海海区无机硒的形态及其分布

Species and distribution of inorganic selenium in the Bohai Sea

利用啤酒酵母转化无机硒为有机硒研究

Converting Inorganic Selenium to Organic Selenium by Beer Yeast

研究表明，酵母是无机硒有机化的理想载体。

Previous works have shown that yeast was a good carrier for Se biotransformation .

但无机硒毒性大，生物利用率低；有机硒的毒性小、生物利用率高。

Compared with organic selemium , inorganic selenium is high toxicity and low bioavailability .

水样中无机硒含量的测定

Determination of inorganic selenium in aqueous samples

无机硒被转化成有机硒组分而充分发挥其作用。

Organic Se components can be obtained by biosynthesis making use of inorganic Sein organic bodies .

以蔗糖和硒为原料合成的蔗糖亚硒酸酯，不但把无机硒转化成了有机硒，而且其化学结构也形成了特殊的硒氧键。

The sucrose selenite transforms inorganic selenium to organoselenium and its molecule structure has the selenite group .

探讨了富硒农产品中无机硒和有机硒的分离及提取方法。

The separation and extraction of organic Se and inorganic Se in Se-rich farm produce were studied .

不同含硒量对家蚕生长及无机硒转化的影响初探

Study on the Effect of Different Selenium Content on the Silkworm Larval Growth and Inorganic Selenium Transformation

硒可以分为元素硒、无机硒和天然有机硒三种。

Se can be clarified into three groups , which is elemental selenium , inorganic selenium or organic selenium .

无机硒和有机硒化合物相比较，前者的毒性比后者要大，吸收率要低。

Compared inorganic selenium with organic selenium compounds , the first is more toxic and has lower bioavailability than the second .

显示富硒茶叶中硒的生物有效性高于无机硒。

The higher effectivity was produced by selenium of Se enriched tea compared with sodium selenite in the same Se intake .

结论：不同的霉菌对无机硒的吸收利用程度存在很大差异，吸收利用率较高的霉菌有进一步研究的价值。

Conclusion : different moles made variant inorganic selenium absorbing-using ratio , and the higher molds deserve to be further study .

无机硒制备简单、价格便宜，但生物利用度低、毒性大。

Inorganic selenium can be obtained easily and has low price , but it shows low bioavailability and high biological toxicity .

因此可以确定异育银鲫硒最适补充量有机硒、无机硒在0.6-1.2mg/kg之间。

Therefore gibel determine the optimum selenium replenishment of organic selenium and inorganic selenium in the 0.6-1.2 mg / kg between .

结果表明：硒多糖和硒蛋白清除羟自由基的效果比与之相同浓度的无机硒和相同浓度的多糖及蛋白都要明显；

We studied the effect of scavenging hydroxyl free radical by Se-polysaccharide and Se-protein under the best condition of Fenton system .

利用生物转化原理，将无机硒转化为有机硒，制成富硒粉，添加到奶液中，利用乳酸菌发酵可制成具有保健功能的新型酸奶。

Inorganic selenium was transferred to organic selenium with the help of biological transform principle , powder with rich selenium was obtained .

全硒、有机硒和无机硒含量在硒浓度1000mg/kg时达最高；

Total selenium , organic selenium and inorganic selenium reach the peak at the highest concentration treatment of 1 000 mg / kg .

方法：一定浓度的无机硒溶液喷施于水稻叶面法和硒的2,3二氨基萘荧光测定法。

Methods : Spraying rice leaf with inorganic Se solution of a certain concentration and determination of Se using 2 3 diaminonaphthalene by fluorometry .

有机硒相对于无机硒毒性小，生物利用率高，生物活性强。

The absorptivity and bioactivity of organic selenium were higher than that of inorganic selenium , toxicity was lower than that of inorganic selenium .

方法：在低硒土壤的茶园施用无机硒肥，经茶树的生物转化，制备富硒茶叶；

Methods : The Se enriched tea was produced by fertilization of sodium selenite through biological transformation of tea tree in low Se content soil .