Proteins and peptides in enteral nutrition
O Martínez Augustin1, E Martínez de Victoria Muñoz
1Department of Biochemistry and Molecular Biology, University of Granada. omartine@ugr.es
Nutricion Hospitalaria
|June 15, 2006
Summary
Protein quality, crucial for growth, depends on amino acids and is assessed using methods like the Protein Digestibility-Corrected Amino Acid Score (PDCAAS). Functional proteins and bioactive peptides offer additional health benefits beyond nutrition.
Area of Science:
- Nutritional Science
- Food Science
- Biochemistry
Background:
- Proteins are essential macronutrients vital for bodily growth and maintenance.
- Protein quality is determined by amino acid profiles, proportions, and factors like solubility.
- Traditional methods for evaluating protein quality include chemical, biological, and microbiological assays, with PDCAAS being commonly used.
Purpose of the Study:
- To review functional proteins and bioactive peptides, emphasizing their functional properties.
- To highlight the significance of milk, egg, and soy-derived proteins and peptides.
- To discuss the evolving landscape of functional and nutraceutical foods.
Main Methods:
- Literature review of functional proteins and bioactive peptides.
- Analysis of factors influencing protein quality, including processing and anti-nutritional factors.
- Exploration of protein complementation strategies to enhance bioavailability.
Main Results:
- Protein quality can be modulated by food processing and anti-nutritional factors.
- Protein complementation can improve the bioavailability and quality of protein mixtures.
- Functional proteins and bioactive peptides possess health benefits beyond basic nutrition, including immune, cardiovascular, and gastrointestinal effects, with potential anticancer, antibacterial, and antiviral properties.
Conclusions:
- Functional proteins and bioactive peptides represent a significant advancement in nutrition and food technology.
- Milk, egg, and soy are key sources of these functional components.
- Further research into functional proteins and bioactive peptides holds promise for developing novel health-promoting foods.
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