A Process Engineering Approach to Improve Production of P(3HB) by Cupriavidus necator from Used Cooking Oil

Table 2

Physical-chemical and thermal characterization of P(3HB) produced by C. necator from UCO and comparison to P(3HB) produced from other oil-containing substrates.

Cultivation mode	Feeding strategy	Substrate	M w (g mol^−1) × 10^5	PDI	(°C)	(°C)	(J g^−1)	(%)	References
Batch	—	UCO	2.6	1.6	172	3.0	n.a.	n.a.	[24]
		SCG oil	4.3-4.7	2.2-2.5	n.a.	n.a.	n.a.	n.a.	[33]
		Margarine waste	n.a.	n.a.	173	7.9	83	57	[27]
Fed-batch	Exponential feeding	UCO	0.6	1.2	174	3.0	95	65	This study Experiment A
	DO-stat mode	UCO	2.6	1.6	174	4.0	75	52	This study Experiment B
		SCG oil	2.3	1.2	172	8.4	n.a.	58	[10]

n.d.: not detected; n.a.: data not available.