DL-Methionine

• 

DL-Methionine has multiple coordination sites (amino nitrogen, carboxylate oxygen, and sulfur atom in the methylthio group), enabling it to form stable complexes with a variety of metal ions. Complexation with transition metal ions: It can form stable chelate complexes with transition metal ions such asCu^2+,Zn^2+,Fe^2+, andMn^2+. The coordination mode is primarily bidentate, with the amino nitrogen and carboxylate oxygen acting as the main coordination sites, while the methylthio sulfur atom serves as an auxiliary coordination site to enhance the stability of the complex. For example, the complex formed between DL-methionine andZn^2+has a stability constant (logK) of approximately 5.8, which is widely used in the preparation of zinc supplements with high bioavailability. Complexation with heavy metal ions: DL-Methionine can form insoluble complexes with toxic heavy metal ions such asPb^2+,Cd^2+, andHg^2+. The sulfur atom in the methylthio group plays a dominant role in this complexation, as it has a high affinity for heavy metal ions. This property makes DL-methionine a potential agent for heavy metal detoxification and wastewater treatment. Enantiomer-specific complexation: Although DL-methionine is a racemic mixture, L-methionine and D-methionine exhibit different complexation behaviors with chiral metal complexes. This difference is the basis for chiral resolution of DL-methionine into its individual enantiomers via chiral complexation chromatography.

Другие товары поставщика

	L-proline	During the transportation process of L-proline, its physical and chemical properties need to be comprehensively considered to ensure safe and effic...
	L-Lysine monohydrochloride	L-Lysine monohydrochloride (molecular formula: C6​H14​N2​O2​⋅HCl, CAS No.: 657-27-2) is the hydrochloride salt form of L-lysine—an essen...
	L-tryptophan	L-tryptophan’s stability is influenced by food processing conditions, requiring careful handling: Sensitivity to heat and light: High-tempera...
	L-Lysine monohydrochloride	L-Lysine monohydrochloride (L-Lys·HCl) is the dominant commercial form of L-lysine—an essential amino acid for humans and animals&mdas...
	Glycine	Glycine is the smallest, simplest and most important natural amino acid. It is not only a fundamental substance for life but also an extremely vers...

Похожие товары

	L-Lysine monohydrochloride as nutrient additives	Продавец: Shanghai Yifu Food Ingredients Co., Ltd	Free L-lysine is highly hygroscopic—it absorbs atmospheric moisture rapidly at relative hum...
	L-Lysine monohydrochloride	Продавец: Shanghai Yifu Food Ingredients Co., Ltd	L-Lysine monohydrochloridehas a higher aqueous solubility than free L-lysine: ~70 g/100 mL at 25 ...
	L-Lysine monohydrochloride	Продавец: Shanghai Yifu Food Ingredients Co., Ltd	The most prominent performance advantage ofL-Lysine monohydrochloride is its optimized physical a...
	L-Lysine monohydrochloride	Продавец: Shanghai Yifu Food Ingredients Co., Ltd	L-Lysine monohydrochloride (L-Lys·HCl) is the dominant commercial form of L-lysine—a...
	L-lysine monohydrochloride	Продавец: Shanghai Yifu Food Ingredients Co., Ltd	L-lysine monohydrochloride’s unique physical and chemical properties make it the preferred ...