Beef: Complete Amino Acid Profile

Beef ‐ Amino Acids List

Amino Acids Found in Beef

Proteins are important macronutrients necessary for making up the structure of cells, storing and transporting molecules within them and carrying out complex chemical reactions. Proteins consist of individual amino acids which can be found in a variety of food sources such as beef. The nine essential amino acids that cannot be made by the human body must come from an external dietary source, some of which are provided by consuming certain meats like beef. In this research paper, we'll discuss the different types of amino acids that make up the protein content of beef.

The most abundant type of amino acid found in beef is alanine (Ala), followed by glycine (Gly). Alanine is known to aid in maintaining healthy muscle tissue and contributes towards the energy production needed for normal functioning of organs such as heart, brain and muscles. Glycine also helps form new proteins and is used by enzymes for various biochemical processes. Glutamic acid (Glu) is another key component found in beef which helps convert carbohydrates into energy and plays an integral role in cognitive functions like memory, focus, learning and thinking. Glutamine (Gln) is also present in relatively large amount in beef, being particularly involved in repair processes at the cellular and muscle level.

Beef also contains proline and valine, both of which regulate mitochondrial activity and help preserve lean body mass. Both of these amino acids are involved in broad metabolic pathways, meaning they take part in multiple bodily activities including DNA synthesis and immune system regulation. Cysteines (Cys) is also sometimes found in beef and is required for producing antioxidant enzymes which help protect cell membranes against harmful radical damage. Additionally, it is responsible for detoxification of drugs and other toxins absorbed through the diet or environment.

Asparagines (or Asn) is yet another amino acid that resides in beef in significant amounts and has been shown to possess anti-depressant properties along with enhancing the performance of athletes during strenuous activities. Methionine (Met) is also another noteworthy amino acid sourced from beef, believed to support bone health due to its involvement in collagen formation. It is further known for promoting overall balance between hormones, metabolism and mercury elimination. Lastly, leucine (Leu) aids in tissue repairing and blood sugar balancing, allowing glucose to enter cells and stimulating growth hormone.

Overall, it's clear that beef provides individuals with a wide range of essential amino acids for supporting normal bodily operations. While the exact quantity cannot be predicted exactly due to unable to measure single compound concentration, its diverse array of aminos demonstrates the potential nutritional benefits of indulging in some juicy steak on occasion. Combined with a proper workout regimen and balanced diet, beef could supplement optimal physical performance. With an enhanced understanding of the specific amino acids inside consumed beef, so too comes a heightened awareness to ensure one’s nutrient needs are met.

Works Cited

"Alanine". Nutrient Reference Values For Australia And New Zealand Including Recommended Dietary Intakes, 2017.

"Glycine". Nutrient Reference Values For Australia And New Zealand Including Recommended Dietary Intakes, 2017.

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McVeigh, Melissa S., MD, MPH. "Severe Effects From Low Levels Of Mercury Exposure" US News. U.S.News & World Report, 09 June 2010. Web. 28 October 2020.

Shamsi, Irfan et al. “Role Of Leucine As A Potential Anabolic Modulator In Nutrition Therapy: A Review.” Trends In Food Science & Technology 39.2 (2015): 135–146. Elsevier BV. Web. 10 Oct. 2020.

Sheepalidis GAP, Heintz HM. Prediction of Whole Body Amino Acid Composition. Physiol Genomics 2009;36(3):319–331.