Nut residue is the industrial byproduct obtained from raw materials after oil extraction.The hydroly-sate of nut residue has various functional characteristics.The application is often overlooked due to the industrial by-products.Currently,nut residue is mainly used for processing animal feed or for disposal in landfills.Nut residue is rich in protein,carbohydrate and fiber,can be used to produce bioactive peptides,biofuels and dietary fiber,respec-tively.These applications have greater value than using it to produce animal feed.Through the analysis of biological utilization strategies,in this paper,the ways to reuse the by-products from the processing of three kinds of nuts(almond,walnut and cashew)were mainly explored,the application methods of extracting multiple compounds from nut residue were summarized,and the biological activity,safety and potential application of peptide components pre-pared from different kinds of nut meal by enzymolysis and fermentation technology were expounded to provide theoreti-cal references for the reuse of nut de-oiled byproducts.
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