文献类型： 外文期刊
作者： Li, Da-Jing 1 ; Song, Jiang-Feng 1 ; Liu, Chun-Quan 1 ;
作者机构： 1.Jiangsu Acad Agr Sci, Inst Farm Prod Proc, Nanjing 2100140, Jiangsu, Peoples R China
2.Northeast Forestry Univ, Sch Forestry, Harbin, Peoples R China
3.Natl Agr Sci & Technol Innovat Ctr East China, Engn Res Ctr Agr Prod Proc, Nanjing, Jiangsu, Peoples R China
关键词： Microencapsulated lutein;Stereoisomers;Identification;Stability
期刊名称：INTERNATIONAL JOURNAL OF FOOD PROPERTIES （ 影响因子：2.727； 五年影响因子：2.938 ）
ISSN： 1094-2912
年卷期： 2015 年 18 卷 1 期
页码：
收录情况： SCI
摘要： Stability of microencapsulated marigold lutein under three different storage conditions (dark and vacuum, light and vacuum, air and light) at 4, 20, and 37 degrees C was investigated. Major lutein stereoisomers, including all-trans lutein, 13-cis lutein, 13'-cis lutein, 9-cis lutein, and 9'-cis lutein, were rapidly separated within 12 minutes by reverse-phase C-30-HPLC-PDA using methanol, methylene chloride, and acetonitrile as eluent, which could provide more explicit information for identifying and distinguishing stereoisomers. The content of all-trans lutein decreased during storage time for all the treatments, and the degradation of all-trans lutein fitted the first order model as correlation coefficients (R-2) were higher than 0.95, microencapsulated marigold lutein with vacuum packed were preserved best in dark and 4 degrees C storage.
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