How much ethanol is it possible to produce with Fermentis yeast?
The concentration of ethanol produced depends on the initial sugar concentration, the availability of the required nutrients and the ability of the yeast to resist to high alcohol concentration. Safdistil C-70 has proved that it is able to ferment various substrate up to 14% v/v ethanol. Ethanol Red has proved that it is able to ferment a corn based substrate up to 21% v/v ethanol on laboratory scale and up to 18% ethanol in industrial production plant. The cost of dry yeast is nothing in comparison to the costly investments in microbiology and capital equipment that are needed to control the bacterial contamination and the physiological state of the yeast.