L-Tryptophan (Biotechnology Grade, High Purity)

<strong>L-Tryptophan</strong>_x000D_ <strong>Catalog number:</strong> B2010180_x000D_ <strong>Lot number:</strong> Batch Dependent_x000D_ <strong>Expiration Date:</strong> Batch dependent_x000D_ <strong>Volume/Weight:</strong> 10 g_x000D_ <strong>pH:</strong> na_x000D_ <strong>Supplied as:</strong> Ready-to-use_x000D_ <strong>Appearance:</strong> White Powder_x000D_ <strong>Applications:</strong> multipurpose amino acid for protein synthesis, reagent stabilization, preparation of culture media and more._x000D_ <strong>Storage:</strong> Room temperature_x000D_ <strong>Keywords:</strong> (S)-2-Amino-3-(3-indolyl)propionic acid, L-α-Amino-3-indolepropionic acid_x000D_ <strong>Grade:</strong> Biotechnology grade. All components are highly pure (minimum 99%). All solutions are made with Type I ultrapure water (resistivity &gt;18 MΩ-cm) and are filtered on a 0.22 um._x000D_ _x000D_ <strong>References:</strong>_x000D_ 1: Das YT, Bagchi M, Bagchi D, Preuss HG. Safety of 5-hydroxy-L-tryptophan._x000D_ Toxicol Lett. 2004 Apr 15;150(1):111-22._x000D_ _x000D_ 2: Tröndle J, Trachtmann N, Sprenger GA, Weuster-Botz D. Fed-batch production of_x000D_ l-tryptophan from glycerol using recombinant Escherichia coli. Biotechnol_x000D_ Bioeng. 2018 Dec;115(12):2881-2892._x000D_ _x000D_ 3: Idrees M, Ayaz M, Bibi R, Khan MN. Fluorescence Quenching of the Probes_x000D_ L-Tryptophan and Indole by Anions in Aqueous System. Anal Sci. 2020 Feb_x000D_ 10;36(2):183-185._x000D_ _x000D_ 4: Shimazaki J, Furukawa S, Ogihara H, Morinaga Y. L-Tryptophan prevents_x000D_ Escherichia coli biofilm formation and triggers biofilm degradation. Biochem_x000D_ Biophys Res Commun. 2012 Mar 23;419(4):715-8._x000D_ _x000D_ 5: Shibui Y, Matsumoto H, Masuzawa Y, Ohishi T, Fukuwatari T, Shibata K, Sakai_x000D_ R. Thirteen week toxicity study of dietary l_tryptophan in rats with a recovery_x000D_ period of 5 weeks. J Appl Toxicol. 2018 Apr;38(4):552-563._x000D_ _x000D_ 6: Kutluyer F , Aksu Ö , Kocabaş M . Effect of L-Tryptophan on Sperm Quality of_x000D_ Tigris Scraper (Capoeta umbla) (Pisces: Cyprinidae) after Cryopreservation. Cryo_x000D_ Letters. 2019 Mar/Apr;40(2):77-82._x000D_ _x000D_ 8: Varga J, Jimenez SA, Uitto J. L-tryptophan and the eosinophilia-myalgia_x000D_ syndrome: current understanding of the etiology and pathogenesis. J Invest_x000D_ Dermatol. 1993 Jan;100(1):97S-105S._x000D_ _x000D_ 9: Dowlati Y, Ravindran AV, Maheux M, Steiner M, Stewart DE, Meyer JH. No effect_x000D_ of oral L_tryptophan or alpha-lactalbumin on total tryptophan levels in breast_x000D_ milk. Eur Neuropsychopharmacol. 2015 Jun;25(6):779-87._x000D_ _x000D_ 10: Jing K, Tang Y, Yao C, Del Rio-Chanona EA, Ling X, Zhang D. Overproduction_x000D_ of L_tryptophan via simultaneous feed of glucose and anthranilic acid from_x000D_ recombinant Escherichia coli W3110: Kinetic modeling and process scale-up._x000D_ <a href="https://pubmed.ncbi.nlm.nih.gov/28782794/">Biotechnol Bioeng.</a> 2018 Feb;115(2):371-381._x000D_ _x000D_ <strong>Products Related to L-Tryptophan </strong> <a>: Biochemical Buffers and Solutions</a>