Journal
BIORESOURCE TECHNOLOGY
Volume 362, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2022.127870
Keywords
Biorefinery; Onion waste; Bioactives; Organic acids; Biofuel
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This review summarizes the recent advances in biorefinery approaches for the utilization of onion processing waste and the production of value-added products. It also discusses the challenges faced by the bioprocessing sector and the perspectives to tackle them.
Waste derived from the onion processing sector can be harnessed for the production of organic acids, poly -phenols, polysachharides, biofuels and pigments. To sustainably utilize onion processing residues, different biorefinery strategies such as enzymatic hydrolysis, fermentation and hydrothermal carbonization have been widely investigated. This review discusses the recent advances in the biorefinery approaches used for valori-zation of onion processing waste followed by the production of different value-added products from diverse classes of onion waste. The review also highlights the current challenges faced by the bioprocessing sector for the utilization of onion processing waste and perspectives to tackle them.
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