天然产物研究与开发 ›› 2011, Vol. 23 ›› Issue (5): 935-938.

• 开发研究 • 上一篇    下一篇

番茄红素热处理异构化方法研究

张环伟1,Kessy N.Honest1,蒋雅美1,张连富1,2*   

  1. 1江南大学食品学院;2江南大学食品科学与技术国家重点试验室,无锡 214122
  • 收稿日期:2010-01-19 出版日期:2011-10-25 发布日期:2011-09-26
  • 基金资助:

    国家科技支撑计划(2006BAD27B03);江苏省自然科学基金(BK2009517);食品科学与技术国家重点实验室资助项目(SKLF-TS-200912)

Thermal Isomerization of Lycopene

ZHANG Huan-wei1, HONEST Kessy N 1, JIANG Ya-mei1, ZHANG Lian-fu1,2*   

  1. 1School of Food Science and Technology,Jiangnan University, Wuxi 214122, China; 2State Key Laboratory of Food Science and Technology, Wuxi 214122, China
  • Received:2010-01-19 Online:2011-10-25 Published:2011-09-26

摘要: 番茄红素在受热的情况下会发生反式异构体(all-trans)向顺式异构体(cis-isomers)的转化。本文研究了乙酸乙酯热回流、微波法及超声-微波协同法对番茄红素异构化的影响。结果表明:乙酸乙酯热回流处理后,6%番茄红素油树脂中顺式异构体占比高于90%番茄红素中顺式异构体占比;氮气保护对番茄红素的异构化无明显保护作用;微波对番茄红素异构化有较强的促进作用,处理5 h后顺式占比可以高达54.7%,但超声-微波协同法对番茄红素异构化的影响与微波单独使用时无明显变化。所以微波是较好的番茄红素热处理异构化方法。

关键词: 番茄红素, 顺式异构体, 异构化, 微波, 超声-微波协同

Abstract: Lycopene trans-isomer undergoes geometrical isomerization into cis-isomers with thermal treatment. Influences of three isomerization method including ethyl acetate reflux, microwave assisted reflux and ultrasound/microwave assisted reflux were investigated. The results showed that proportion of cis-isomers in 6% oleoresin samples were higher than that in 90% lycopene samples after ethyl acetate reflux. Nitrogen had insignificant effects on the isomerization of lycopene. Although microwave and ultrasound-microwave assisted reflux had no significant difference with each other, both showed significance influence over refluxing in ethyl acetate reflux, proportion of cis-isomers reached more than 54% after 5 h procession. Consequently, microwave was the best way to isomerization of lycopene.

Key words: lycopene, cis-isomers, isomerization, microwave, ultrasound-microwave

中图分类号: 

TS202.3 TS264.4 R284.1