Waste-derived volatile fatty acids as carbon source for added-value fermentation approaches
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Author/sChalima, Angelina; de Castro, Laura Fernandez; Burgstaller, Lukas; Sampaio, Paula; Carolas, Ana Lúcia; [et al.]
Omega-3 fatty acids
Single cell oil
Volatile fatty acids
The establishment of a sustainable circular bioeconomy requires the effective material recycling from biomass and biowaste beyond composting/fertilizer or anaerobic digestion/bioenergy. Recently, volatile fatty acids attracted much attention due to their potential application as carbon source for the microbial production of high added-value products. Their low-cost production from different types of wastes through dark fermentation is a key aspect, which will potentially lead to the sustainable production of fuels, materials or chemicals, while diminishing the waste volume. This article reviews the utilization of a volatile fatty acid platform for the microbial production of polyhydroxyalkanoates, single cell oil and omega-3 fatty acids, giving emphasis on the fermentation challenges for the efficient implementation of the bioprocess and how they were addressed. These challenges were addressed through a research project funded by the European Commission under the Horizon 2020 programme ...