PUF was ground using a toothed blade mill (Pulvexmini 100 s) was passed throug hasieve number 20.PUF was then washed twice with hot water and once more with cold water, dried at 60 C for 48 h (Rodriguez-Duranetal.,2011). The culture medium based on YM broth contains imidazole as an inducer of production of lycopene.The fermentation was carried out in column bioreactors (24 mm diameter and 18 mm height).