L-Methionine in Food and Nutritional Fortification Applications
L-Methionine in Food and Nutritional Fortification Applications In the food industry, L-Methionine is primarily used as a nutritional fortifier to improve the amino acid balance and nutritional value of food products, targeting specific populations with increased requirements: Infant Formulas: Infants have high demands for essential amino acids to support rapid growth and development. L-Methionine is added to infant formulas (at 20–30 mg per 100 kcal) to meet the recommended intake, ensuring complete protein synthesis and avoiding developmental delays caused by deficiency. It is also included in follow-up formulas for toddlers to maintain nutritional continuity. Functional Foods and Dietary Supplements: It is a key component of protein powders (whey, plant-based, and mixed protein formulations), sports nutrition products (energy bars, recovery drinks), and amino acid supplements. Athletes and fitness enthusiasts use L-Methionine-supplemented products to support muscle protein synthesis, reduce exercise-induced oxidative damage, and accelerate recovery. For vegetarians and vegans, who often have limited intake of sulfur-containing amino acids from plant sources, L-Methionine-fortified plant-based meats, soy products, and meal replacements help balance their amino acid profiles. Fortified Cereals and Snacks: Added to breakfast cereals, oatmeal, and nutritional snacks to enhance their protein quality, especially for populations with unbalanced diets (e.g., adolescents, the elderly) who may lack essential amino acids.
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Metabolism and Safety of L-Methionine L-Methionine is absorbed in the small intestine via amino acid transporters and metabolized primarily in the ... |
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DL-Methionine |
DL-Methionine, chemically namedDL-2-amino-4-(methylthio)butanoic acid, is a racemic mixture composed of equimolar amounts of L-methionine and D-met... |
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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 p... |
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L-Threonine |
Physical Properties of L-Threonine Molecular Formula C₄H₉NO₃ (molecular weight: 119.12 g/mol). Appearance and State White to off-white crystalline ... |
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L-proline |
The biological functions of L-prolineProtein structure maintenance: L-proline is one of the 20 common amino acids that make up proteins. Its cyclic... |
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