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Fig. 3 | Biotechnology for Biofuels and Bioproducts

Fig. 3

From: Design of a stable ethanologenic bacterial strain without heterologous plasmids and antibiotic resistance genes for efficient ethanol production from concentrated dairy waste

Fig. 3

Fermentation performance of the W105F and W105Fe strains in CWP with different supplements and inoculum sizes. Fermentation time course data from pH-controlled bioreactor experiments are represented as concentration time series of sugars and ethanol, or CFU time series. Data points represent values from a single replicate or the average of two replicates (as reported in Table 2), with error bars corresponding to the standard deviation. Panels correspond to fermentations in CWP with different strains and conditions: sugars and ethanol for W105F in CWP + ammonium sulphate (a), sugars and ethanol for W105Fe in CWP (b), sugars and ethanol for W105Fe at the 1:50 and 1:500 inoculum ratios in CWP + ammonium sulphate (the standard 1:5 inoculum ratio is shown for comparison) (c), cell viability of W105F and W105Fe in CWP and CWP + ammonium sulphate (d)

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