基于蛋白质纤维-霍尔代因-桑坦复合物的油脂凝:形成,结构和物理化学特性
Yunan Jin1, Xiaomeng Li1, Jingwen Wu1
1College of Food Science & Nutritional Engineering, China Agricultural University, Beijing 100083, China; Key Laboratory of Safety Assessment of Genetically Modified Organism (Food Safety), Ministry of Agriculture and Rural Affairs of P. R., Beijing, 100083, China.
Food research international (Ottawa, Ont.)
|April 23, 2025
概括
天然蛋白质纤维,如乳清蛋白分离纤维 (WPIF) 和卵蛋白纤维 (OVAF) 创建密集的油凝网络. 这些新型油脂凝显示出更好的结合油和减少自由脂肪酸的释放,提供了新的食品成分的可能性.
科学领域:
- 食品科学 食品科学 食品科学
- 材料科学 材料科学 材料科学
- 生物技术是生物技术.
背景情况:
- 越来越多的人对天然生物聚合物衍生的油剂感兴趣.
- 蛋白纤维为凝制造提供独特的结构性质.
研究的目的:
- 使用各种蛋白质隔离纤维 (WPIF,OVAF,SPIF,PPIF) 与和香 (XG) 结合制造油脂凝.
- 研究制造的油的结构特征和性能.
主要方法:
- 乳液模板方法用于制造油凝.
- 传输电子显微镜 (TEM) 用于分析纤维网络.
- 同焦激光扫描显微镜 (CLSM) 用于评估网络密度.
- 评估油的结合能力,质性质和硬度.
主要成果:
- 形成了交叉连接的纤维状网络,具有霍尔代因结点和XG涂层.
- 基于卵膜纤维素 (OVAF) 的油脂凝表现出最密集的网络,其次是WPIF,PPIF和SPIF.
- 油凝的特性 (油结合,模量,粘度,硬度) 与网络密度相关.
- 与大豆油相比,自由脂肪酸的释放率降低.
结论:
- 蛋白纤维,特别是OVAF,是有效的结构剂,用于制造油脂凝.
- 纤维的界面行为影响了oleogel的形成和特性.
- 开发的油脂凝显示出提高稳定性和降低降解的潜力.
相关概念视频
Fibrous Proteins
1.8K
Fibrous proteins are either long and narrow proteins or assemble to form long and thin structures. They contain repetitive units and usually consist of either alpha helices or beta sheets and, in rare cases, a mix of both. The amino acids in the primary structure often consist of repeating amino acid sequences. The role of fibrous proteins is primarily structural. Many are located in the extracellular matrix and are present in connective tissues to impart strength and joint mobility. They are...
1.8K
Globular and Fibrous Proteins
42.9K
Many proteins can be classified into two distinct subtypes - globular or fibrous. These two types differ in their shapes and solubilities.
Globular proteins are also known as spheroproteins and typically are approximately round in shape. They contain a mix of amino acid types and contain differing sequences in their primary structures. Globular proteins have many different functions, such as enzymes, cellular messengers, and molecular transporters. These roles often require the proteins to be...
Globular proteins are also known as spheroproteins and typically are approximately round in shape. They contain a mix of amino acid types and contain differing sequences in their primary structures. Globular proteins have many different functions, such as enzymes, cellular messengers, and molecular transporters. These roles often require the proteins to be...
42.9K
Globular Proteins
7.0K
In organisms, proteins are the most abundant macromolecules. They act as the building blocks of life and play various crucial roles in the body. Proteins can be broadly classified into two distinct subtypes based on their shape and solubilities: globular proteins and fibrous proteins.
Globular proteins serve many important physiological functions, such as acting as enzymes, cellular messengers, and molecular transporters. These roles often require the proteins to be soluble in the aqueous...
Globular proteins serve many important physiological functions, such as acting as enzymes, cellular messengers, and molecular transporters. These roles often require the proteins to be soluble in the aqueous...
7.0K
Matrix Proteoglycans and Glycoproteins
3.7K
Proteoglycans are extensively glycosylated proteins, commonly found in the extracellular matrix, interwoven with collagen fibers. Hyaline cartilage, the most common type of cartilage in the body, consists of short and dispersed collagen fibers associated with large amounts of proteoglycans. These proteoglycans have long negative charges that attract cations, which in turn attract water molecules. This influx of ions and water molecules swells up the proteoglycan like a water-soaked gel that can...
3.7K
Protein and Protein Structure
77.3K
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...
77.3K
Protein Folding
116.6K
Overview
116.6K


