CAJ | 학술논문

将大豆分离蛋白溶解在尿素/无机盐Au水溶液中，研究尿素/无机盐Au水溶液体系中尿素的浓度和无机盐Au加入量对大豆分离蛋白的变性和流变特性的影响。结果表明：大豆分离蛋白在尿素/无机盐Au水溶液体系中能够形成稳定且流动性良好的溶液；大豆分离蛋白在尿素/无机盐Au水溶液中结构被破坏，溶解性增加；溶液表观黏度随无机盐Au加入量增加先减小后增加，随尿素浓度的增加明显下降，随温度升高而降低；大豆分离蛋白尿素/无机盐Au水溶液的吸光度随着尿素浓度的增加明显减小，而无机盐Au加入量对大豆分离蛋白尿素/无机盐Au水溶液的吸光度的影响不明显。
장대두분리단백용해재뇨소/무궤염Au수용액중，연구뇨소/무궤염Au수용액체계중뇨소적농도화무궤염Au가입량대대두분리단백적변성화류변특성적영향。결과표명：대두분리단백재뇨소/무궤염Au수용액체계중능구형성은정차류동성량호적용액；대두분리단백재뇨소/무궤염Au수용액중결구피파배，용해성증가；용액표관점도수무궤염Au가입량증가선감소후증가，수뇨소농도적증가명현하강，수온도승고이강저；대두분리단백뇨소/무궤염Au수용액적흡광도수착뇨소농도적증가명현감소，이무궤염Au가입량대대두분리단백뇨소/무궤염Au수용액적흡광도적영향불명현。
The soybean protein isolate was dissolved in urea/inorganic salt Au aqueous solution, and the effects of urea concentration and inorganic salt Au dosage in urea/inorganic salt Au aqueous solution sys-tem on denaturation and rheological properties of soybean protein isolate were studied. The results showed that in urea/inorganic salt Au aqueous solution system, soybean protein isolate could form stable and good fluidity solution and its structure was destroyed, making its solubility increase; with inorganic salt Au dosage increasing, the apparent viscosity of the solution first decreased and then increased, while it re-duced significantly with urea concentration increasing and temperature rising;the absorbance of urea/in-organic salt Au aqueous solution of soybean protein isolate declined markedly with urea concentration in-creasing, while inorganic salt Au dosage had no obvious effect on the absorbance of urea/inorganic salt Au aqueous solution of soybean protein isolate.