As illustrated in FIG 1, it can be seen that the installation allowing for implementation of the method of the invention comprises one fermentor 1 provided with feeding means 3 of products required for fermentation, and means not shown on {HEAD ~ the drawing} relating to {TAIL ~ temperature adjustment}, pH adjustment and oxygen admission and agitation 
As illustrated in FIG 1 , it can be seen that the installation allowing for implementation of the method of the invention comprises one fermentor 1 provided with feeding means 3 of products required for fermentation , and means not shown on { HEAD ~ the drawing } relating to { TAIL ~ temperature adjustment } , pH adjustment and oxygen admission and agitation
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