.

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.


Send product request

To: Shanghai Yifu Food Ingredients Co., Ltd
Your E-mail:
Message text:


Send to other suppliers

Other supplier products

Bulk supply DL-Alanine
Bulk supply DL-Alanine Due to its mild sweetness and low calorie content, DL-Alanine is used as apartial sugar substitutein low-sugar or sugar-free foods, helping to main...
L-Lysine monohydrochloride Marke quotation
L-Lysine monohydrochloride Marke quotation L-Lysine monohydrochloride (L-Lys·HCl) is the dominant commercial form of L-lysine—an essential amino acid for humans and animals&mdas...
L-Lysine monohydrochloride as nutrient additives
L-Lysine monohydrochloride as nutrient additives Free L-lysine is highly hygroscopic—it absorbs atmospheric moisture rapidly at relative humidity (RH) >60%, leading to caking, agglomerati...
L-Tryrosine Supplier
L-Tryrosine Supplier L-Tryrosine is a non-essential amino acid that plays important roles in the human body. Here is a detailed introduction: Basic Information Chemica...
 L-tryptophan Raw Material
L-tryptophan Raw Material 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...
All supplier products

Same products

High quality N‑Acetyl‑L‑Tryptophan Powder
High quality N‑Acetyl‑L‑Tryptophan Powder Seller: 846340 Basic Information of N‑Acetyl‑L‑Tryptophan 1. Core Identity Chemical Name: N‑α‑Acetyl‑L‑try...
N‑Acetyl‑L‑Tryptophan Powder Price
N‑Acetyl‑L‑Tryptophan Powder Price Seller: 846340 Key Points for Storing N‑Acetyl‑L‑Tryptophan (NAT) Short, practical storage rules focusing on moi...
N-Acetyl-L-Tryptophan Powder Marke quotation
N-Acetyl-L-Tryptophan Powder Marke quotation Seller: 846340 Precautions for the Use of N‑Acetyl‑L‑Tryptophan (NAT) Below is a clear, practical summary of pre...
Wholesale N-Acetyl-L-Tryptophan Powder
Wholesale N-Acetyl-L-Tryptophan Powder Seller: 846340 N‑Acetyl‑L‑Tryptophan as Key Advantages for Food Applications High stability: Withstands processi...
N-Acetyl-L-Tryptophan Powder Supplier
N-Acetyl-L-Tryptophan Powder Supplier Seller: 846340 N‑Acetyl‑L‑Tryptophan as Regulatory Status (Summary)China: Approved as a food additive (flavor en...