Isolation of Lycopene Isomers Using HPLC Method

Abstract

Abstract: The high performance liquid chromatogrphy was used to separate isomers of lycopene. Five samples were measured ,including tamoto,tomato paste,tomato oleoresin and two lycopene products. All trans-lycopenes were the predominant geometrical isomer but varied from ratio 96.38%to 37.65%. it was showed that during prepartion of tomato and lycopene products, lycopene underwent(E/Z)-isomerisation ,increasing the portion of (Z)-isomers.

Key words: lycopene, geometrical, isomer, HPLC

LI Wei, DING Xiao-Lin. Isolation of Lycopene Isomers Using HPLC Method[J]. FOOD SCIENCE, 2003, 24(2): 48-51.

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Isolation of Lycopene Isomers Using HPLC Method

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