DL-Methionine (Biotechnology Grade)

Product Description

DL-Methionine
Catalog number: B2010070
Lot number: Batch Dependent
Expiration Date: Batch dependent
Volume/Weight: 25 g
pH: na
Supplied as: Ready-to-use
Appearance: White Powder
Applications: amino acid with a sulfure atom. This product is a racemic mixture of the biologically active L-Methionone and the biologically inactive D-Methionine.
Storage: Room temperature
Keywords: (±)-2-Amino-4-(methylmercapto)butyric acid, DL-2-Amino-4-(methylthio)butanoic acid
Grade: Biotechnology grade. All components are highly pure (minimum 99%). All solutions are made with Type I ultrapure water (resistivity >18 MΩ-cm) and are filtered on a 0.22 um.

References:
1: Aledo JC. Methionine in proteins: The Cinderella of the proteinogenic amino
acids. Protein Sci. 2019 Oct;28(10):1785-1796.

2: Xue JJ, Xie M, Tang J, Huang W, Zhang Q, Hou SS. Effects of excess DL- and
L-methionine on growth performance of starter Pekin ducks. Poult Sci. 2018 Mar
1;97(3):946-950.

3: Walgenbach DG, Gregory AJ, Klein JC. Unique methionine-aromatic interactions
govern the calmodulin redox sensor. Biochem Biophys Res Commun. 2018 Oct
20;505(1):236-241.

4: Albrecht A, Herbert U, Miskel D, Heinemann C, Braun C, Dohlen S, Zeitz JO,
Eder K, Saremi B, Kreyenschmidt J. Effect of methionine supplementation in
chicken feed on the quality and shelf life of fresh poultry meat. Poult Sci.
2017 Aug 1;96(8):2853-2861.

5: Zhao L, Zhang NY, Pan YX, Zhu LY, Batonon-Alavo DI, Ma LB, Khalil MM, Qi DS,
Sun LH. Efficacy of 2-hydroxy-4-methylthiobutanoic acid compared to DL-
Methionine on growth performance, carcass traits, feather growth, and redox
status of Cherry Valley ducks. Poult Sci. 2018 Sep 1;97(9):3166-3175.

6: Aggrey SE, González-Cerón F, Rekaya R, Mercier Y. Gene expression differences
in the methionine remethylation and transsulphuration pathways under methionine
restriction and recovery with D,L-methionine or D,L-HMTBA in meat-type chickens.
J Anim Physiol Anim Nutr (Berl). 2018 Feb;102(1):e468-e475.

7: Kumar S, Adhikari P, Oakley B, Kim WK. Changes in cecum microbial community
in response to total sulfur amino acid (TSAA: DL-methionine) in antibiotic-free
and supplemented poultry birds. Poult Sci. 2019 Nov 1;98(11):5809-5819.

8: Park I, Pasquetti T, Malheiros RD, Ferket PR, Kim SW. Effects of supplemental
L-methionine on growth performance and redox status of turkey poults compared
with the use of DL-methionine. Poult Sci. 2018 Jan 1;97(1):102-109.

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