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Structure, Biological Functions, Separation, Properties, and Potential Applications of Milk Fat Globule Membrane
Chao Nie1,2, Yunyi Zhao1,2, Xifan Wang3
1Key Laboratory of Functional Dairy, Co-Constructed by Ministry of Education and Beijing Government, Department of Nutrition and Health, China Agricultural University, Beijing 100083, China.
Background:
The milk fat globule membrane (MFGM) is a thin film that exists within the milk emulsion, suspended on the surface of milk fat globules, and comprises a diverse array of bioactive components. Recent advancements in MFGM research have sparked a growing interest in its biological characteristics and health-related functions. Thorough exploration and utilization of MFGM as a significant bioactive constituent in milk emulsion can profoundly impact human health in a positive manner. Scope and approach: This review comprehensively examines the current progress in understanding the structure, composition, physicochemical properties, methods of separation and purification, and biological activity of MFGM. Additionally, it underscores the vast potential of MFGM in the development of additives and drug delivery systems, with a particular focus on harnessing the surface activity and stability of proteins and phospholipids present on the MFGM for the production of natural emulsifiers and drug encapsulation materials.
Key Findings And Conclusions:
MFGM harbors numerous active substances that possess diverse physiological functions, including the promotion of digestion, maintenance of the intestinal mucosal barrier, and facilitation of nerve development. Typically employed as a dietary supplement in infant formula, MFGM's exceptional surface activity has propelled its advancement toward becoming a natural emulsifier or encapsulation material. This surface activity is primarily derived from the amphiphilicity of polar lipids and the stability exhibited by highly glycosylated proteins.
Insights
The milk fat globule membrane (MFGM) contains bioactive components with health benefits. Its unique surface properties enable its use as a natural emulsifier and in drug delivery systems.
Area of Science:
- Food Science
- Biochemistry
- Materials Science
Background:
- The milk fat globule membrane (MFGM) is a complex biological structure surrounding milk fat globules.
- It is rich in bioactive components with significant health implications.
- Recent research highlights MFGM's potential in human health and nutrition.
Purpose of the Study:
- To review the current understanding of MFGM's structure, composition, and properties.
- To explore MFGM's biological activities and health-related functions.
- To assess MFGM's potential in developing novel additives and drug delivery systems.
Main Methods:
- Comprehensive literature review of MFGM research.
- Analysis of MFGM's physicochemical properties, including surface activity.
- Examination of separation and purification techniques for MFGM components.
Main Results:
- MFGM possesses diverse bioactive substances promoting digestion, gut barrier function, and nerve development.
- Its amphiphilic lipids and stable proteins contribute to exceptional surface activity.
- MFGM shows promise for applications as natural emulsifiers and encapsulation materials.
Conclusions:
- MFGM's bioactive components offer various physiological benefits.
- MFGM's surface activity is key to its utility in food and pharmaceutical applications.
- Further exploration of MFGM can lead to innovative health-promoting products and delivery systems.
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