FOOD SCIENCE ›› 2004, Vol. 25 ›› Issue (11): 265-268.

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The Chemistry and Spectrum Character of Red Pigment of Nature Duck Eggs Red Yolk

 LIU  Liang-Zhong, PENG  Guang-Hua, WANG  Hai-Bin, SHI  Jia-Yi, REN  Dan-Dan, ZHANG  Sheng-Hua   

  1. 1.Food Science and Technology College, Hua Zhong Agricultural University;2.FoodCollege, Wuhan Industry of Industry;3.Life Science and Technology College,Changjiang University
  • Online:2005-11-15 Published:2011-10-24

Abstract: The paper probed into the chemistry and spectrum character of red pigment of nature duck eggs red yolk by TLCof silica gel., chemical reaction, UV-VIS, IR spectrum. The results indicated that the red pigment of natural red yolk isCarotenoids, and had conjugated keto, no hydroxyl.

Key words: nature red yolk duck eggs, pigments, chemistry, spectrum, character