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Keywords:

  • functional properties;
  • acetylation;
  • chickpea proteins

ABSTRACT

Functional properties were investigated on chickpea proteins acetylated at 6 and 49% of the -amino groups of lysine. In water and in 0.25M NaCl solutions, acetylated chickpea proteins (ACP) were more soluble at high pH (pH>8), but less soluble at low pH (pH 2–7), than native chickpea protein (NCP). The solubility of ACP and NCP was reduced in 0.25–0.75M CaCl2 solutions. Acetylation increased the water and oil absorption capacity of ACP. ACP also had higher emulsion capacity than that of NCP, but acetylation made emulsions of chickpea protein dispersions less stable.