DL-Methionine
DL-Methionine, chemically designated asDL-2-amino-4-(methylthio)butanoic acid, is a racemic mixture consisting of equimolar quantities of L-methionine and D-methionine, with a molecular formula ofC5H11NO2Sand a relative molecular mass of 149.21 g/mol. As a sulfur-containing amino acid, its chemical properties are governed by the combined effects of its functional groups—including the amino group (-NH2), carboxyl group (-COOH), and methylthio side chain (-CH2CH2SCH3)—as well as its racemic composition. These properties underpin its reactivity in acid-base reactions, redox reactions, substitution reactions, and complexation reactions, which are closely linked to its applications in feed, food, and pharmaceutical industries.
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Acid-Base Behavior of L-tryptophan
L-tryptophan is an amphoteric compound, capable of acting as both an acid (via carboxyl group) and a base (via a... |
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High quality |
Beyond natural occurrence, L-tryptophan is sometimes added to fortified foods and functional products to enhance nutritional value or provide speci... |
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L-Methionine |
L-Methionine, as an essential sulfur-containing amino acid, plays multifaceted and irreplaceable roles in the human body, spanning protein synthesi... |
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DL-Methionine |
DL-Methionine, chemically designated asDL-2-amino-4-(methylthio)butanoic acid, is a racemic mixture consisting of equimolar quantities of L-methion... |
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L-Methionine in Pharmaceutical and Medical Applications |
In pharmaceuticals, L-Methionine is used for therapeutic purposes and as a pharmaceutical excipient, leveraging its metabolic and antioxidant prope... |
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