In the experiments described above (which used 0.4 %
glucose) .90 % of the glucose was consumed. To test
whether additional glucose would increase the production
of C4, C6 and C8 FAs, fermentations were done using
2 % glucose in both M9 and TB media. Cells incubated in
M9 media for 24 h accumulated 1.632±0.008 g butyrate
l
21
, 0.586±0.011 g hexanoate l21 a