FOOD SCIENCE ›› 2005, Vol. 26 ›› Issue (8): 225-229.

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Study of Grafting Optimization Between Konjac Glucomannan and Crylic Acid by Radiation

 DENG  Xiao, PAN  Si-Yi, LIN  Ruo-Tai   

  1. 1.College of Food Science and Technology, Huazhong Agricultural University; 2.Institute of Hubei Agricultural Science
  • Online:2005-08-15 Published:2011-09-19

Abstract: Conditions for grafting between Konjac glucomannan and crylic acid by radiation are described. Grafting percentage and water-absorbtion was affected by radiation dose, neutralization degree of acrylic acid, monomer concentration, inputting nitrogen and temperature. It is showed that conditions for grafting taking into consideration grafting percentage and water- absorbtion were radiation dose 5.02kGy, neutralization degree of acrylic acid 60%, monomer concentration 20%, inputting nitrogen. Water-absorbtion 540 times and 79% grafting percentage can be obtained. Higher radiation dose, higher cohesiveness, gumminess and hardness, lower adhesiveness.

Key words: Konjac glucomannan, radiation, grafting, water-absorbtion, grafting percentage