Related Experiment Video
Updated: May 25, 2026
09:26
Species Determination and Quantitation in Mixtures Using MRM Mass Spectrometry of Peptides Applied to Meat Authentication
Published on: September 20, 2016
Bioactive peptides from muscle sources: meat and fish
Joseph Thomas Ryan1, Reynolds Paul Ross, Declan Bolton
1Teagasc Food Research Centre, Moorepark, Fermoy, Co. Cork, Ireland. josephthomas.ryan@teagasc.ie
Nutrients
|January 19, 2012
Summary
Bioactive peptides from meat proteins, like beef and fish, show potential for functional foods. Research highlights their angiotensin-1-converting enzyme (ACE) inhibitory and antioxidant properties.
Area of Science:
- Food Science
- Biochemistry
- Nutritional Science
Background:
- Bioactive peptides are present in various food sources, including plant, milk, and muscle proteins.
- Food-derived bioactive peptides hold significant promise for functional foods and nutraceutical applications.
- Meat muscle proteins are a notable source of these valuable compounds.
Purpose of the Study:
- To review identified bioactive peptides in meat muscle protein.
- To focus on muscle protein from domestic animals and fish.
- To highlight key bioactive peptide activities, particularly ACE inhibition and antioxidant effects.
Main Methods:
- Literature review of scientific publications.
- Identification and categorization of bioactive peptides from meat sources.
- Analysis of reported functional properties, such as ACE inhibition and antioxidant activity.
Main Results:
- Numerous bioactive peptides have been identified in muscle proteins from various animals (beef, chicken, pork) and fish.
- Angiotensin-1-converting enzyme (ACE) inhibitory and antioxidant peptides are the most extensively studied bioactives from meat.
- These peptides demonstrate potential health benefits.
Conclusions:
- Meat muscle proteins are a rich source of bioactive peptides with significant health-promoting properties.
- Further research into meat-derived bioactive peptides can drive innovation in functional foods and nutraceuticals.
- ACE inhibitory and antioxidant peptides from meat represent a key area for future development.
Related Concept Videos
01:28Proteins: Dietary Sources and Requirements
Consuming animal-based products offers high-quality proteins that contain optimal levels and combinations of essential amino acids, crucial for tissue repair and growth. Foods like eggs, milk, fish, and most meats are a source of complete proteins. Legumes and cereals are abundant in proteins; however, they typically lack a full range of essential amino acids. As a result, they are considered incomplete protein sources. Some plant sources like soybeans, quinoa, and amaranth do contain complete...
01:02Protein Digestion
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.
01:21Overview of Protein Metabolism
Proteins are broken down into amino acids during digestion. Unlike fats and carbohydrates, which are stored for later use, proteins are not. Instead, amino acids are either used to produce ATP through oxidation or contribute to the creation of new proteins for the growth and repair of the body. Any surplus amino acids from the diet are converted into glucose or triglycerides rather than excreted.
Amino acids play various roles in the body once they are absorbed into cells. They are restructured...
Amino acids play various roles in the body once they are absorbed into cells. They are restructured...
01:18Amino Acid Catabolism
Microorganisms rely on proteins as an essential carbon and energy source, particularly in environments with limited polysaccharides or lipids. However, proteins are too large to cross the plasma membrane unaided, necessitating enzymatic degradation. Microbes secrete extracellular proteases and peptidases that hydrolyze proteins into peptides, which can then be transported across the membrane. Once inside the cell, intracellular proteases degrade these peptides into free amino acids, which...
01:28Role of Proteins in the Human Body
Proteins are the building block of life. They are also the most abundant macromolecules with as many diverse roles in the body. They are part of many structural components that provide unique shapes and structures to animal cells, tissues, and organs. In addition, they also act as biological catalysts and carry out several anabolic and catabolic reactions. Notably, some proteins are chemical messengers and regulate many critical processes, such as metabolism, growth, and development. They are...
01:10Muscle Contraction
In skeletal muscles, acetylcholine is released by nerve terminals at the motor endplate—the point of synaptic communication between motor neurons and muscle fibers. The binding of acetylcholine to its receptors on the sarcolemma allows entry of sodium ions into the cell and triggers an action potential in the muscle cell. Thus, electrical signals from the brain are transmitted to the muscle. Subsequently, the enzyme acetylcholinesterase breaks down acetylcholine to prevent excessive muscle...