DL-Alanine
DL-Alanine is not naturally abundant in living organisms (most life forms primarily use L-Alanine as a building block for proteins). It is mainly producedsyntheticallythrough two common methods:
- Chemical Synthesis: Typically via the "Strecker synthesis" (reacting acetaldehyde with ammonia and cyanide to form an amino nitrile, which is then hydrolyzed to DL-Alanine) or the "amination of pyruvate" (reacting pyruvic acid with ammonia under catalytic conditions to generate a racemic mixture of alanine).
- Biotechnological Production: Some microbial fermentation processes (using engineered bacteria) can produce DL-Alanine by converting glucose or other carbon sources, though this method is less common than chemical synthesis.
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