Uptake and distribution of astaxanthin in several tissues and plasma lipoproteins in male broiler chickens fed a yeast (Phaffia rhodozyma) with a high concentration of astaxanthin
Uptake and distribution of astaxanthin in several tissues and plasma lipoproteins in male broiler chickens fed a yeast (Phaffia rhodozyma) with a high concentration of astaxanthin
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DOI：
10.1080/00071660410001668950a
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发表时间：
2004-02
影响因子：
2
通讯作者：
K. Takahashi;M. Watanabe;T. Takimoto;Y. Akiba
中科院分区：
文献类型：
--
作者：
K. Takahashi;M. Watanabe;T. Takimoto;Y. Akiba
1.本试验研究了添加高浓度虾青素（Ax）的红酵母对肉仔鸡几种组织和血浆脂蛋白的吸收。2.禁食16小时的雄性肉鸡雏鸡（5周龄）通过鸡冠给予0或45 mg Ax（作为红酵母），并在随后的24小时内收集血液。Ax在给药后2 h出现在血浆中。无论血液采样时间和Ax给药程序如何，大部分（超过70%）Ax均包含在血浆中的高密度脂蛋白（HDL）部分中。3.雄性肉仔鸡（2周龄）用含有0、50或100 mg/kg酵母Ax的饮食喂养2周。在检查的组织中，小肠中的Ax浓度最高，其次是皮下脂肪、腹部脂肪、脾、肝、心脏、肾和皮肤。最低浓度是在肌肉中。小肠、皮下脂肪、腹部脂肪、肝脏和皮肤中的Ax浓度随饲料含量的增加而增加，但除M外，脾脏、心脏、肾脏和肌肉中的Ax浓度随饲料含量的增加而增加。胸浅肌4.在肝组织中，超过50%的Ax沉积在微粒体组分中，15%在线粒体组分中。在肌肉中，线粒体和肌浆网的两个部分包含Ax。
1. The experiments were conducted to evaluate astaxanthin (Ax) uptake in several tissues and plasma lipoproteins of male broiler chickens fed on Phaffia rhodozyma containing a high concentration of Ax. 2. Male broiler chicks (5 weeks of age) fasted for 16 h were given 0 or 45 mg Ax as Phaffia rhodozyma through the crop and blood was collected over the following 24 h. Ax appeared in the plasma at 2 h after administration into the crop. Most (more than 70%) of the Ax was contained in the high density lipoprotein (HDL) fraction in the plasma irrespective of blood sampling times and administration procedure of Ax. 3. Male broiler chicks (2 weeks of age) were fed on a diet containing 0, 50 or 100 mg/kg of yeast Ax for 2 weeks. Of the tissues examined, Ax concentration in the small intestine was highest, followed by subcutaneous fat, abdominal fat, spleen, liver, heart, kidney and skin. The lowest concentration was in the muscles. Ax concentration in the small intestine, subcutaneous fat, abdominal fat, liver and skin rose as dietary content increased, but this was not the case for the spleen, heart, kidney and muscles except for M. pectoralis superficialis. 4. Over 50% of Ax deposited in liver tissues was detected in the microsomal fraction and 15% was in the mitochondrial fraction. In muscles, both fractions of mitochondria and sarcoplasmic reticulum contained Ax.