Industrial production conditions

The raw materials used must meet the nutritional requirements imposed by the growth and multiplication of yeast cells. If yeast is produced on a medium with a defined composition, based on glucose as a carbon substrate and ammonium and phosphorus salts as sources of nitrogen and phosphate, the culture medium will need to be supplemented with mineral salts, vitamins and trace elements. A typical medium composition is given in Plomb's patent [7] and is shown in table 1 . This medium is complex and costly, which is why sugar beet or cane molasses are the substrates of choice from an economic and technical point of view, and are currently the main...