1) free lutein
游离叶黄素
1.
40 commercial Hy-Line Grey latter-laying hens were divided into 2 groups randomly,and were fed on a basal diet with additive lutein ester and a basal diet containing free lutein respectively after a 2-week washout period during which they consumed a low-lutein diet.
将40只产蛋后期海兰灰商品蛋鸡,随机分为2个组,用低叶黄素饲粮耗空2周后,分别饲喂在基础日粮中添加叶黄素酯和游离叶黄素的叶黄素强化日粮,两组均含有效叶黄素15 mg/kg。
2) Emodin
[英]['emədin] [美]['ɛmə,dɪn]
游离大黄素
1.
Simultaneous HPLC Determination of Resveratrol,Polydatin and Free Emodin in Polygonum Cuspidatum;
高效液相色谱法测定虎杖中白藜芦醇、白藜芦醇苷和游离大黄素
3) free Flavonoids
游离黄酮
1.
According to different acidity of free Flavonoids in Resina Draconis,different acidic lavonoids were extracted with the pH gradient extraction method from ethyl ether.
根据血竭中游离黄酮存在着酸性差异,采用溶剂除杂,转溶于乙醚,再用pH梯度萃取得到不同酸性的黄酮,进而对弱酸性组分分离纯化得到2个单体化合物。
4) xanthophylls
叶黄素
1.
A Natural Food Colorant in Future─Xanthophylls;
一种前景广阔的天然食品着色剂——叶黄素
2.
Optimization on Ultrasound-assisted Extraction Technology of Xanthophylls from Corn Gluten Meal;
玉米蛋白粉叶黄素超声提取工艺优化
3.
The technical factors of the xanthophylls extraction from marigold flower were researched.
研究了循环超声技术在万寿菊中叶黄素提取中的应用。
5) lutein
[英]['lu:tiin] [美]['lutɪən]
叶黄素
1.
Quantitative determination of lutein in foods by HPLC;
HPLC法测定食品中的叶黄素含量
2.
Studies on the physical and chemical of properties of microencapsulated lutein and its stability;
微胶囊叶黄素理化性质及其稳定性研究
3.
Production of lutein by the microalga Chorella ellipsoidea in heterotrophic cultivation;
淡水小球藻异养培养生产叶黄素的研究
6) lutein esters
叶黄素酯
1.
Biotransformation of lutein esters;
叶黄素酯的生物转化研究
2.
Study on ultrasonic extraction technology of lutein esters from marigold dried flower
万寿菊干花中叶黄素酯的超声提取工艺研究
补充资料：叶黄素
| 叶黄素 xanthophyll 一种萜。分子式C40H56O2。又称3，  二羟基a-胡萝卜素。存在于许多黄叶、花和蛋黄中。黄色棱柱状晶体。熔点196℃，比旋光度［a］Ca＋160°(氯仿)。溶于乙醇、乙醚、苯和石油醚。它的棕榈酸酯存在于Helenium autumnale L.和菊科植物内，还与玉米黄质同时存在于多种花内。在醇钠的作用下，叶黄素可异构化为玉米黄质。叶黄素的吸收光谱类似a-胡萝卜素（见类胡萝卜素）。叶黄素是工业制造胡萝卜素和叶绿素的副产品，其二棕榈酸酯用于改进视力。
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说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条