Fig. 4From: Production of lactic acid from pasta wastes using a biorefinery approachEvolution of the concentrations of total sugars (red lines) and LA (blue lines) during the enzymatic hydrolysis and lactic fermentation of PW: without solid removal (red filled square, blue filled diamond) and with solid removal (red square, blue diamond). Inoculation time is shown with a line at 24 hBack to article page