FOOD SCIENCE ›› 2002, Vol. 23 ›› Issue (3): 80-82.
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LI Wei-Li, PENG Yong-Fang, MA Yin-Hai, XU Juan, LUO Yu-Lin, ZHANG Ling-Zhen
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Abstract: A method of absorbing and separating the yellow pigment from Polygonum Cuspidatum Sieb.et Zucc by macroporous resin was studied. Absorption capacities of seven resins for the pigment were tompared. The results showed that AB-8 resin had the best performance of absorbing yellow pigment on Polygonum Cuspidatum Sieb.et Zucc. In the course of acetone desorbtion of the absorbed Polygonum Cuspidatum Sieb.et Zucc yellow pigment, AB-8 resin showed a fairly good character of stabilization. After using 20 times, The absorption factor was only decreased by nearly 1.6%.
Key words: Polygonum Cuspidatum Sieb.et Zucc yellow pigment , AB-8 resin.
LI Wei-Li, PENG Yong-Fang, MA Yin-Hai, XU Juan, LUO Yu-Lin, ZHANG Ling-Zhen. Study on Method of Absorption and Desorption of Yellow Pigment from Polygonum Cuspidatum Sieb.et Zuce by Macroporous Resin[J]. FOOD SCIENCE, 2002, 23(3): 80-82.
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