What is the Difference Between Beta Alanine and L Alanine?
🆚 Go to Comparative Table 🆚The main difference between beta-alanine and L-alanine lies in their classification and structures:
- Beta-alanine is a non-proteinogenic amino acid, meaning it is not used to form proteins. It has no stereo center and is a precursor of Coenzyme A (CoA) and acyl-carrier protein, which shuttle carbon within the cell. Beta-alanine is a component of carnosine, a dipeptide concentrated in muscle and brain tissue, which is widely used as a strength-enhancing supplement.
- L-alanine is a proteinogenic amino acid, meaning it is used to form proteins. It has an amino group attached to the α carbon and is a non-essential amino acid, meaning it can be produced enzymatically from L-aspartate using aspartate β decarboxylase. L-alanine is the smallest of all amino acids and has been used as a supplement in cell culture media and as a food additive.
In summary, beta-alanine is a non-proteinogenic amino acid without a stereo center, while L-alanine is a proteinogenic amino acid with a stereo center at the α carbon.
On this pageWhat is the Difference Between Beta Alanine and L Alanine? Comparative Table: Beta Alanine vs L Alanine
Comparative Table: Beta Alanine vs L Alanine
Beta alanine and L alanine are two different amino acids with distinct properties and functions. Here is a table summarizing their differences:
| Property | Beta Alanine | L Alanine |
|---|---|---|
| Classification | Non-proteinogenic amino acid | Proteinogenic amino acid |
| IUPAC Name | 3-Aminopropionic acid | 2-Aminopropanoic acid |
| Chiral Center | None | Yes |
| Occurrence | Found in food sources such as meat, fish, and poultry, and synthesized in the body | Naturally produced enzymatically from L aspartate using aspartate β decarboxylase |
| Protein Synthesis | Does not contribute to protein synthesis | Used in the biosynthesis of proteins |
| Carnosine Production | Aids in the production of carnosine, a compound important in muscle endurance during high-intensity exercises | Not involved in carnosine production |
| Food Additive and Supplement | Not commonly used as a food additive or supplement | Used as a food additive, ingredient in infusion solutions, and a precursor for chemical and pharmaceutical products |
Both beta alanine and L alanine have the same molecular formula (C3H7NO2) and are naturally occurring amino acids.
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- Glutamine vs L-Glutamine
- Glutamine vs L-Glutamine
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- l Carnosine vs l Carnitine
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- L vs D Amino Acids
- Taurine vs L Taurine