In LAB fermentation medium, potassium phosphate dibasic is used as one of the nutrient component. However, pH is also adjusted at various levels. In this case, what is the use of potassium phosphate? Does it have any role other than buffering capacity? Will the concentration of phosphate in the media affect glucan production?
Both mono-potassium and di-potassium phosphates can supply phosphate to a culture media; this component is essential for microorganisms growth. But selection of one or the other phosphate salt is made function on the pH that is required to be obtained so as get a stabile buffered solution and optimal growth conditions. https://www.researchgate.net/post/What_is_the_difference_between_potassium_dihydrogen_phosphate_and_dipotassium_hydrogen_phosphate
Check https://www.sciencedirect.com/topics/chemistry/dipotassium-hydrogen-phosphate
Chinaza Godswill Awuchi Thank you so much sir. I have one more question, could we vary both pH and potassium phosphate conc in an RSM for achieving higher yield of polymer from the LAB?
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