I am using Beta-Alanine for a sensitive assay in which I supplement the medium of my organism with Beta-Alanine (in the micro/nano molar range).
How long will a stock solution of Beta-Alanine, or any amino acid last at 4C? Should I store it at a colder temperature or in a nonaquious solution?
Hi Sammy,
Usually all natural amino acids are soluble in water and insoluble in non-polar organic solvents such as hydrocarbons. In aqueous solution zwitterions stabilizes amino acids. In water, the strong ionic attractions between polar water molecules and the zwitterions stabilizes amino acids in solution. In general aqueous solutions of amino acids are stable for long time if kept properly at 4ºC maintaining the sterile condition and I would not store this solution beyond the expiry date stated on the label.
For further reading I would suggest this link
https://www.funakoshi.co.jp/data/datasheet/PCI/C-42210.pdf
Hope that works!!
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