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SYNTHESIS AND CHARACTERIZATION OF GRAFT COPOLYMERS OF HYDROLYTIC SOY PROTEIN ISOLATED AND AMPS(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2007年04期
Page:
591-596
Research Field:
Publishing date:

Info

Title:
SYNTHESIS AND CHARACTERIZATION OF GRAFT COPOLYMERS OF HYDROLYTIC SOY PROTEIN ISOLATED AND AMPS
Author(s):
LIU Li-xin; HUA Jing; REN Shen-yue; LIU Yan; CHEN Ming-qing; YANG Cheng; LIU Xiao-ya
Department of Chemical and Material Engineering of Southern Yangtze University，Wuxi 214122
Keywords:
Soy protein Isolated; Hydrolysis; Graft copolymerization; 2-Acrylanmido-2-methyl propane sulfonic acid
PACS:
Q816 S565.1
DOI:
10.3969/j.issn.1000-9841.2007.04.027
Abstract:
A series of the hydrolytic Soy Proteins Isolated (HIPS)were obtained by the enzymatic hydrolysis of Soybean Protein Isolated (SPI)using the acid proteolytic enzyme.The graft copolymers(HSPI-g-PAMPS)of the hydrolytic Soybean Protein Isolated (HSPI)and AMPS had been prepared in 8 mol/ L urea aqueous solution under nitrogen atmosphere ，using ammonium persulphate(APS)as an initiator，β-mercaptoethanol(ME)as a protein unfolding agent .Evidence of HSPI-g-PAMPS was obtained by comparison of IR Spectro of HSPI and HSPI-g-PAMPS.The effect of time，initiator concentration，degree of hydrolysis and monomer concentration on the graft copolymerization have been studied.The properties of HSPI-g-PAMPS have been characterized and it was shown that the Zeta-potential of HSPI-g-PAMPS was lowest than HSPI-Besides，the viscosity of HSPI-g-PAMPS was the highest under the low cut rate.

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Last Update: 2014-10-21