FOOD SCIENCE ›› 2010, Vol. 31 ›› Issue (17): 36-40.doi: 10.7506/spkx1002-6630-201017008

• Basic Research • Previous Articles     Next Articles

Purification and Structural Identification of the Major Component of the Red Pigment from Black Sunflower Seed Shell

ZHANG Hai-yue,XU He,WANG Lei   

  1. College of Chemical and Life Science, Changchun University of Technology, Changchun 130012, China
  • Received:2010-01-21 Revised:2010-06-11 Online:2010-09-15 Published:2010-12-29
  • Contact: ZHANG Hai-yue E-mail:zhhaiyue@163.com

Abstract:

Eight kinds of macroporous adsorption resins were used for the static adsorption of the red pigment extract from black sunflower seed shell, and AB-8 type resin presented the highest adsorption ratio and was consequently selected for further investigations. The optimum conditions for the dynamic adsorption and desorption of the pigment extract were explored. After purification using AB-8 type resin under the optimized adsorption and desorption conditions, a 5-fold elevation in the color value of the pigment extract was obtained. Lyophilization gave a crystallized red pigment. The major components of the red pigment was identified to be ascyanidin-3-glucoside through qualitative tests and IR spectroscopic, thin layer chromatographic, HPLC and MS analyses.

Key words: black sunflower seed shell, red pigment, purification, structure

CLC Number: