DL-methionine powder
The α-amino group in DL-methionine has the typical reactivity of a primary amine and can participate in acylation, alkylation, and condensation reactions.
Acylation reaction: It reacts with acylating agents (e.g., acetic anhydride, benzoyl chloride) to form N-acyl DL-methionine derivatives. For example, reacting with acetic anhydride produces N-acetyl DL-methionine, a compound with enhanced lipophilicity and stability, which is commonly used as a food preservative and pharmaceutical intermediate.
Condensation reaction with aldehydes/ketones: The amino group undergoes dehydration condensation with aldehydes or ketones to form Schiff bases. When reacted with formaldehyde, it generates N-hydroxymethyl DL-methionine, which can be used as a crosslinking agent in polymer synthesis due to its reactive hydroxymethyl group.
Ninhydrin color reaction: Similar to other amino acids, DL-methionine reacts with ninhydrin under heating conditions to produce a purple-colored complex. The absorbance of this complex at 570 nm can be used for quantitative determination of DL-methionine content, with high sensitivity and good selectivity for amino acids.
Other supplier products
|
|
Main Applications of Inositol |
Main Applications of Inositol 1. Health food and nutritional supplements As a vital nutrient, inositol regulates lipid metabolism, protects the liv... |
|
|
Bulk supply L-tryptophan |
In food, L-tryptophan serves as a critical nutrient with two primary roles: Protein synthesis: As one of the 20 amino acids used to build proteins,... |
|
|
DL-Alanine Manufacturer |
DL-Alanine has a subtle sweet taste (about 60% of the sweetness of sucrose) and the ability to enhance umami (savory) flavors—a key advantage... |
|
|
DL-methionine powder |
The α-amino group in DL-methionine has the typical reactivity of a primary amine and can participate in acylation, alkylation, and condensati... |
|
|
DL-methionine powder Manufacturer |
DL-Methionine, chemically known as DL-2-amino-4-(methylthio)butanoic acid, is a racemic mixture of L-methionine and D-methionine. As an essential s... |
All supplier products
Same products
