Fig. 3

The effect of different concentrations of yeast extract and sampling times (a, b) and response surface and contour plots for mevalonic acid accumulation (c, d) and mevalonic acid production (e, f)
The effect of different concentrations of yeast extract and sampling times (a, b) and response surface and contour plots for mevalonic acid accumulation (c, d) and mevalonic acid production (e, f)