The invention discloses a non-
phosphorus green composite
water holding agent for improving the quality of chicken feet and an application method of the non-
phosphorus green composite
water holding agent, and belongs to the technical field of
food processing. The raw materials of the non-
phosphorus green composite water-holding agent comprise a dissociation water-holding agent and a crosslinking water-holding agent, and
sodium bicarbonate provides an alkaline environment, so that
protein is negatively charged, and electrostatic repulsion among carboxyl groups is increased. And collagen can be dissociated, the
water binding capacity of meat is increased, the tenderness of the meat is improved, the bulkiness of the meat is increased, the
protein network structure of the treated chicken feet is looser, and the
water binding capacity is remarkably enhanced. Transglutaminase can catalyze cross-linking of
glutamine and
lysine in
protein to form a tight three-dimensional network to physically wrap
moisture; the
protein structure can be stretched, hydrophilic groups are exposed, and the
binding force with water is enhanced; meanwhile, combination of
muscle fibers and collagen is strengthened, and the structure is stabilized. In addition, water loss caused by high temperature, freezing and the like in
processing can be resisted, the succulent property and elasticity of meat are improved, and therefore the water-retaining property is improved.