Observation of selected elements in a biotechnology production of sodium lactate and lactic acid
2001
Korenovska, M. (Vyskumny Ustav Potravinarsky, Bratislava (Slovak Republic))
Contents of toxic and essential elements in lactic acid and in the stock of a sodium lactate production were studied by GF-AAS and AAS on flame. Low contents of lead, cadmium, mercury, arsenic, nickel, cobalt, manganese, tin and aluminium in lactic acid, and a relatively high content of chromium (2.11 mg.kg-1) were determined. Contents of essential elements (calcium, magnesia, potassium, iron, zinc, copper) were low, too. In a stock of sodium lactate production, highest levels of the followed elements were determined in the yeast autolysate, but they did not affect the level of these elements in the product
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