不同来源的蛋白质对粉-脂质-蛋白质复合物的形成的影响
Yuqing Duan1, Chen Chao1, Jinglin Yu2
1State Key Laboratory of Food Nutrition and Safety, Tianjin University of Science & Technology, Tianjin 300457, China; School of Food Science and Engineering, Tianjin University of Science & Technology, Tianjin 300457, China.
International journal of biological macromolecules
|September 13, 2023
概括
乳清蛋白分离物比其他蛋白质更多地增强了粉-脂质-蛋白质复合物的形成. 这一发现对于在食品加工应用中选择蛋白质至关重要.
科学领域:
- 食品科学 食品科学 食品科学
- 生物化学 生物化学
- 材料科学 是一种材料科学.
背景情况:
- 粉-脂质-蛋白质相互作用是食品系统的基础.
- 了解这些复杂物会影响食物的质地和稳定性.
- 蛋白质来源影响粉和脂质的复杂形成.
研究的目的:
- 为了研究不同蛋白质来源如何影响粉-脂质复合物的形成.
- 量化小麦粉-棕酸-蛋白质复合物的形成.
- 为了确定蛋白质在形成这些复合物的最高效率.
主要方法:
- 使用小麦粉,棕酸和四种蛋白质分离物 (乳清,蛋白,大豆,豆) 的模型系统.
- 用于复杂制备的快速粘度分析仪.
- 使用差分扫描热度计,X射线衍射和拉曼光谱分析复杂形成.
主要成果:
- 将棕酸添加到小麦粉蛋白系统中,增加了冷却粘度,表明复杂的形成.
- 不同扫描热度计,X射线衍射和拉曼光谱证实,与粉脂系统相比,蛋白质存在时的复杂性形成更大.
- 小麦粉-棕酸-乳清蛋白分离物表现出最高程度的复杂形成.
结论:
- 与蛋白,大豆和豆蛋白分离物相比,乳清蛋白分离物显示出形成粉-脂质-蛋白质复合物的优越能力.
- 乳清蛋白分离物的增强乳化特性可能是其更复杂的形成的原因.
- 这些发现为食品加工中的蛋白质选择提供了宝贵的见解,以优化粉-脂质相互作用.
相关概念视频
Protein and Protein Structure
79.7K
Proteins are one of the most abundant organic molecules in living systems and have the most diverse range of functions of all macromolecules. Proteins may be structural, regulatory, contractile, or protective. They may serve in transport, storage, or membranes; or they may be toxins or enzymes. Their structures, like their functions, vary greatly. They are all, however, amino acid polymers arranged in a linear sequence.
A protein's shape is critical to its function. For example, an enzyme...
A protein's shape is critical to its function. For example, an enzyme...
79.7K
Factors Affecting Protein-Drug Binding: Drug-Related Factors
140
Drug binding to proteins is a complex phenomenon influenced by various drug-related factors, each playing a significant role in the interaction between drugs and proteins within the body.
One crucial factor in drug-protein binding is the drug's lipophilicity or its affinity for fat. More lipophilic drugs tend to have higher binding extents. For example, highly lipophilic drugs like cloxacillin exhibit substantial protein binding, with as much as 95% of the drug binding to proteins. In...
One crucial factor in drug-protein binding is the drug's lipophilicity or its affinity for fat. More lipophilic drugs tend to have higher binding extents. For example, highly lipophilic drugs like cloxacillin exhibit substantial protein binding, with as much as 95% of the drug binding to proteins. In...
140
Protein Complexes with Interchangeable Parts
2.6K
Groups of proteins may form a complex where each protein in this complex has a different role in the overall execution of the complex’s function. Often some of the proteins in the complex can be replaced by a closely related variant to give a complex that contains many of the same components yet is functionally distinct.
The SCF ubiquitin ligase is a protein complex of five individual proteins. This complex attaches ubiquitin to other target proteins to mark them for degradation. In order...
The SCF ubiquitin ligase is a protein complex of five individual proteins. This complex attaches ubiquitin to other target proteins to mark them for degradation. In order...
2.6K
Factors Affecting Protein-Drug Binding: Drug Interactions
194
Drug interactions are a critical aspect of pharmacology and can occur when two or more drugs compete for the same binding site. This competition can result in one drug displacing another, altering the effect of the displaced drug. Drug interactions are complex processes that rely heavily on how much of the displacer drug is present and how strongly it can bind to the same sites as the displaced drug.
Displacement interactions can have varying outcomes, ranging from toxicity to virtually...
Displacement interactions can have varying outcomes, ranging from toxicity to virtually...
194
Factors Affecting Protein-Drug Binding: Protein-Related Factors
191
Drug binding to proteins is a key aspect of pharmacokinetics and can influence a drug's distribution, absorption, and elimination in the body. Several factors, including the drug's physiochemical properties, protein concentration, disease states, and the number of binding sites on the protein, influence this process.
The physicochemical properties of a drug play a significant role in its ability to bind to proteins. Lipophilic drugs, which dissolve in fats, oils, and lipids, can be...
The physicochemical properties of a drug play a significant role in its ability to bind to proteins. Lipophilic drugs, which dissolve in fats, oils, and lipids, can be...
191
Lipid Digestion
92.0K
Lipids are large molecules that are generally not water-soluble. Since most of the digestive enzymes in the human body are water-based, there are specific steps the body must take to break down lipids and make them available for use.
92.0K


