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Biological Role An essential amino acid for humans, meaning it must be obtained from the diet. Plays a role in protein structure (e.g., forming hydrogen bonds via its hydroxyl group) and functions as a precursor for biosynthesis of glycine, serine, and other compounds. Stereochemistry Exists in four stereoisomers due to two chiral centers (at α-carbon and β-carbon), but only L-threonine is naturally occurring and biologically active. Stability Stable under normal storage conditions when kept dry and away from light. Can be degraded by heat, strong acids, or bases, especially during prolonged exposure. These properties make L-threonine critical for nutritional supplements, food fortification, and pharmaceutical applications, while its chemical reactivity enables its use in peptide synthesis and biochemical research.
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L-lysine monohydrochloride |
The free Cl⁻ ion in the hydrochloride salt form undergoes typical halide ion reactions, which are used for qualitative identification of L-lysine m... |
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Fish collagen peptides |
Fish collagen peptides are a type of protein derivative obtained from fish. Here are the main aspects about them:
Source: They are mainly extract... |
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L-Tyrosine |
Uses of L-Tyrosine 1. Improving Mental Performance: ·L-Tyrosine may enhance cognitive performance under stressful conditions, such as multit... |
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DL-Alanine |
While DL-Alanine is not a direct preservative like Nisin or sodium benzoate, it can indirectly extend food shelf life byregulating the microbial gr... |
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DL-Methionine |
Redox Properties of DL-MethionineThemethylthio group (-SCH3)in the side chain of DL-methionine is the core moiety responsible for its redox reactiv... |
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