乳酸细菌发酵通过抑制聚合和重塑胃肠道消化过程中的等级结构来提高小豆蛋白质的消化能力
Yunfei Dai1, Yitong Liu2, Xiang Huang1
1School of Food Science and Technology, Jiangnan University, Wuxi 214122, China.
Food chemistry
|March 13, 2026
概括
乳酸细菌发酵通过改变结构和减少聚合,提高了小豆蛋白质的消化能力. 这一过程提高了蛋白质的溶解性和在消化过程中释放的营养.
科学领域:
- 食品科学 食品科学 食品科学
- 蛋白质化学 蛋白质化学
- 微生物学 微生物学
背景情况:
- 植物蛋白,如豆蛋白,具有复杂的结构,可以限制它们的消化能力和营养价值.
- 发酵是修改植物蛋白质并改善其功能性质的潜在策略.
研究的目的:
- 为了研究由乳酸细菌发酵引起的小豆蛋白质的结构变化.
- 阐明这些结构修改在体外消化过程中对蛋白质聚合和消化能力的影响.
主要方法:
- 物理分解分析以评估粒子大小和表面积.
- 分析蛋白质构成的光谱方法 (例如,循环二元化)
- 酶分析测量氧酶活性和蛋白质水解.
- 在体外消化模型模拟胃肠道条件.
主要成果:
- 发酵显著减少了小豆蛋白颗粒大小和增加了表面积,缓解了早期的肠道聚合.
- 形状的变化,包括降低β片含量和三级结构破坏,增强子单元水解.
- 降低的脂氧酶活性减轻了脂质氧化和蛋白质脂肪聚合.
- 在整个消化过程中观察到蛋白质溶解度的提高和小和氨基酸的释放增加.
结论:
- 乳酸细菌发酵结构性地改变了小豆蛋白质,提高了它们的消化能力和营养潜力.
- 发酵提供了一种可行的加工策略,以改善植物蛋白的功能和营养属性.
相关概念视频
Protein Digestion
112.8K
Protein digestion begins in the stomach, where the highly acidic environment can easily disrupt protein structure by exposing the peptide bonds of polypeptide chains. After polypeptide chains are broken into individual amino acids by a series of digestive enzymes, the amino acids are transported to the liver via the bloodstream to produce energy.
112.8K
Microbial Fermentation
1.8K
Fermentation is a crucial anaerobic metabolic process that enables microbes to derive energy from sugar without relying on oxygen or an electron transport chain. This process is fundamental to various biological and industrial applications and is classified based on the metabolic products generated.Role of Pyruvate in FermentationPyruvate and its derivatives serve as key electron acceptors in fermentative pathways. The oxidation of NADH to regenerate NAD+ is essential for the continuation of...
1.8K
Fermentation
132.4K
Most eukaryotic organisms require oxygen to survive and function adequately. Such organisms produce large amounts of energy during aerobic respiration by metabolizing glucose and oxygen into carbon dioxide and water. However, most eukaryotes can generate some energy in the absence of oxygen by anaerobic metabolism.
Fermentation is a type of metabolic process that occurs in the absence of oxygen, where organic molecules such as glucose are broken down to produce energy. During this process, the...
Fermentation is a type of metabolic process that occurs in the absence of oxygen, where organic molecules such as glucose are broken down to produce energy. During this process, the...
132.4K


