Fig. 8From: Metabolic engineering of Mortierella alpina for arachidonic acid production with glycerol as carbon sourceTime course of a residual carbon source concentrations, dry cell weight (DCW); b total fatty acid (TFA) and arachidonic acid (ARA) in repeat batch fermentation of MA-malE1-gk-1. 10 % of the culture was used as the inoculum for the next round fermentation by supplementing 3.6 L of fresh medium at the end of each round for the first three fermentationsBack to article page