L-Methionine
Key Notes on Sources of L-Methionine Bioavailability: L-methionine from animal sources is more bioavailable than plant sources due to the absence of antinutritional factors and balanced amino acid ratios. Vegetarians/vegans can improve bioavailability by combining plant sources (e.g., soy + quinoa) to complement amino acid profiles. Industrial Purity: Food-grade and pharmaceutical-grade L-methionine (from chemical synthesis or fermentation) has a purity of ≥98%, meeting safety standards (e.g., FAO/WHO, GB 2760) for human consumption. Feed-grade products may include DL-methionine or lower-purity L-methionine, which is cost-effective for animal use. Dietary Balance: L-methionine works synergistically with other sulfur-containing amino acids (e.g., cysteine) and B vitamins (e.g., vitamin B6, folate) in metabolism. Excessive intake (e.g., >1g/day from supplements) may lead to hyperhomocysteinemia, so intake should be balanced with dietary sources or guided by nutritional recommendations.
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L-threonine |
L-threonine can enhance the flavor and seasoning Umami and Sweetness Modulation: L-Threonine has a slightly sweet taste and can enhance the overall... |
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L-Lysine monohydrochloride |
Basic Molecular and Structural Characteristics
Molecular weight: 182.65 g/mol (free L-lysine: 146.19 g/mol; the hydrochloride moiety increas... |
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DL-Alanine Powder |
DL-Alanine ishighly soluble in waterand has strong hygroscopicity (tendency to absorb moisture from the air). Moisture absorption causes the crysta... |
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L-Methionine |
Chemical and Physical Properties of L-Methionine L-Methionine has the molecular formula C₅H₁₁NO₂S and a molecular weight of 149.21. Its chemical s... |
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DL-Alanine Powder |
Under proper storage conditions, the typical shelf life of DL-Alanine is2–3 yearsfrom the production date (as indicated on the product label)... |
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