Rheological and Solubility Properties of Soy Protein Isolate

Rheological Properties of a Soy Protein Isolate and Concentrate: Effect of Gel Strength

The concentration dependence of dynamic moduli G’ and G” of soy protein isolates (SPI) and soy protein concentrates (SPC) were studied in solutions prepared under different conditions. Three-level preliminary fractional experiments were undertaken to study effects of temperature, pH, concentration on the gel strength of soy protein isolate and soy protein concentrate solutions. Protein concentr...

Foaming properties of soy protein isolate hydrolysates

Tensoactive species obtained by papain hydrolysis of soy protein were characterized structurally and physicochemically, and their foam-forming and -stabilizing capacity studied. Protein structural changes upon reaction ending were correlated with functional and interfacial properties and with the behaviour thereof with varying hydrolysis degree. Two different means of halting hydrolysis -pH red...

Barley Protein Isolate: Thermal, Functional, Rheological, and Surface Properties

Barley protein isolate (BPI) was extracted in 0.015 N NaOH in a 10:1 ratio solvent:flour and was precipitated by adjusting the pH to 4.5 and freeze-dried. The thermal properties of BPI were determined using modulated differential scanning calorimetry (MDSC). BPI with 4% moisture content exhibited a glass transition (Tg) with 140 C onset, 153 C middle, and 165 C end temperatures and a DCp of 0.4...

Properties of Soy Protein Isolate Biopolymer Film Modified by Graphene

This study applied a facile and green approach to synthesize a stable graphene aqueous dispersion, and the graphene aqueous dispersion was employed to modify the renewable, compatible and biodegradable soy-protein-isolated (SPI) films to enhance their thermal stability, mechanical properties and water resistance. Atomic force microscopy (AFM) images confirmed the monolayer structure of graphene...

Soy Protein Isolate and Gum Arabic Composite Affects Stability of Beverage Emulsion