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Table 3 Characteristics of different fermentation processes based on 120 g·L−1 initial glycerol

From: Efficient 1,3-dihydroxyacetone biosynthesis in Gluconobacter oxydans using metabolic engineering and a fed-batch strategy

Fermentation Characteristics

Batch fermentation

One-dose fed-batch fermentation

Intermittent fed-batch fermentation

Time (h)

46

54

108

Glycerol (g L−1)

120

140

240

OD600

3.88

4.12

4.23

DHA production (g L−1)

109.18

122.23

198.81

Conversion rate (%)

90.98

87.31

82.84

Productivity (g L−1 h−1)

2.37

2.26

1.84