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SIMULTANEOUS QUANTIFICATION OF CAROTENOIDS AND TOCOPHEROLS IN CORN KERNEL EXTRACTS BY HPLC

 

作者: AnneC. Kurilich,   JohnA. Juvik,  

 

期刊: Journal of Liquid Chromatography & Related Technologies  (Taylor Available online 1999)
卷期: Volume 22, issue 19  

页码: 2925-2934

 

ISSN:1082-6076

 

年代: 1999

 

DOI:10.1081/JLC-100102068

 

出版商: Taylor & Francis Group

 

数据来源: Taylor

 

摘要:

An isocratic high performance liquid chromatographic (HPLC) method with run times of less than 22 min has been developed for simultaneous analysis of carotenoids and tocopherols in corn. The reverse phase system utilizes a nonaqueous mobile phase in combination with a polymeric C18column coupled to a monomeric C18column to separate lutein, zeaxanthin, β-cryptoxanthin, α-carotene, β-carotene, and the α-, δ- and γ- forms of tocopherol. The detector was a multi-channel UV-VIS. One channel was used to monitor carotenoid absorption at 450 nm while another monitored tocopherols at 290 nm.

 

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