Fermentative Polyhydroxybutyrate Production from a Novel Feedstock Derived from Bakery Waste

Table 1

PHB fermentations by Halomonas boliviensis using bakery waste hydrolysate and defined medium using glucose and xylose as carbon sources.

Medium	Process	PHB content; [%, w/w]	PHB concentration; [g L^−1]	Yield of PHB; [mol PHB mol^−1 carbon substrate]	References
Bakery waste; hydrolysate	Batch	13.7	1.1	0.16	This study
	Fed-batch	9.3	2.4	0.23
	Batch	32.3	2.6	0.17
	Fed-batch	25.2	2.1	0.33
Glucose	Fed-batch	81	35.4	0.13	[9]
Glucose/xylose	Batch	44.9±0.41	1.0	0.24	[11]
Glucose	Batch	55	0.5	0.13	[29]