Production of 2,3-butanediol from glucose and cassava hydrolysates by metabolically engineered industrial polyploid Saccharomyces cerevisiae

Table 3 Summary of fermentations with the YG01_SDBN strain in a fermentor

Fed-batch fermentation with YP medium	Up to 49 h	Overall
Concentration of 2,3-BDO (g/L)	129	178
Yield of 2,3-BDO (g 2,3-BDO/g glucose)	0.313	0.335
Productivity of 2,3-BDO (g/L h)	2.64	1.88

Fermentation with cassava hydrolysates	Products (g/L)					Yield of 2,3-BDO (g 2,3-BDO/g glucose)	Productivity of 2,3-BDO (g/L h)
Fermentation with cassava hydrolysates	DCW	2,3-BDO	Glycerol	Acetoin	Ethanol	Yield of 2,3-BDO (g 2,3-BDO/g glucose)	Productivity of 2,3-BDO (g/L h)
Batch	9.55	81.2	51.5	1.17	N/D	0.305	1.89
Fed-batch	8.45	132	69.4	1.19	N/D	0.324	1.92

ISSN: 2731-3654