蛋白质成分对不同pH值的奎诺亚蛋白 - 桑坦复合凝的影响
Xinxia Zhang1,2,3, Yafeng Ding2, Jiangtao Zhou4
1State Key Laboratory of Food Science and Resources, Jiangnan University, Lihu Road 1800, Wuxi 214122, China.
Gels (Basel, Switzerland)
|December 27, 2024
概括
超声波处理增强了子蛋白 (QP) 凝网络,改善了质性质和凝强度. 香草-菜蛋白质凝表现出卓越的性能,特定配方在水和油容量方面表现出色.
科学领域:
- 食品科学与技术 食品科学与技术
- 生物聚合物科学 生物聚合物科学
- 蛋白质化学 蛋白质化学
背景情况:
- 菜蛋白 (QP) 是一种有价值的植物性蛋白质来源.
- 配合多糖化合物可以改善蛋白质的功能.
- 了解蛋白质结构-凝属性关系对于食品应用至关重要.
研究的目的:
- 为了准备和表征复杂的凝, sonicated 菜蛋白和多糖.
- 为了研究蛋白质成分和pH对凝特性的影响.
- 为了阐明超声波处理在子蛋白质凝形成中的作用.
主要方法:
- 复杂的凝的制备使用 sonicated 昆蛋白和山糖.
- 福里埃变换红外光谱 (FTIR) 用于结构分析.
- 风病学测量和凝强度的确定.
- 评估水容量 (WHC) 和油容量 (OHC).
主要成果:
- 超声波处理在pH值7.0时增强了菜蛋白的β结构,促进了凝网络的形成.
- 含有白蛋白和环球蛋白的凝显示出二硫化键和硫基团的增加.
- 与含有白素或球蛋白的凝相比,香草-菜蛋白凝表现出优越的风湿性质和凝强度.
- 赞坦糖-环球蛋白凝 (pH 7.0) 显示出最高的WHC和OHC,归因于超声波诱导的二硫化键.
结论:
- 超声波处理通过修改蛋白质结构和促进网络形成,对子蛋白质凝产生积极影响.
- 蛋白质组成和pH值显著影响菜蛋白多糖凝的功能性质.
- 优化菜蛋白-多糖化合物复合凝具有改善食品成分应用的潜力.
相关概念视频
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Overview
Mixtures of Acids
The pH of a solution containing an acid can be determined using its acid dissociation constant and its initial concentration. If a solution contains two different acids, then its pH can be determined using one of several methods depending upon the relative strength of the acids and their dissociation constants.
A Mixture of a Strong Acid and a Weak Acid
In a mixture of a strong acid and a weak acid, the strong acid dissociates completely and becomes a source of almost all the hydronium ions...
A Mixture of a Strong Acid and a Weak Acid
In a mixture of a strong acid and a weak acid, the strong acid dissociates completely and becomes a source of almost all the hydronium ions...
What are Proteins?
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Protein Denaturation
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Mixtures of Acids
The pH of a solution containing an acid can be determined using its acid dissociation constant and initial concentration. If a solution contains two different acids, then its pH can be determined using one of several methods depending on the relative strength of the acids and their dissociation constants.
In a strong and weak acid mixture, the strong acid dissociates completely and becomes a source of almost all the hydronium ions present in the solution. In contrast, the weak acid shows...
In a strong and weak acid mixture, the strong acid dissociates completely and becomes a source of almost all the hydronium ions present in the solution. In contrast, the weak acid shows...


