Bio-Refinery of Oilseeds: Oil Extraction, Secondary Metabolites Separation towards Protein Meal Valorisation—A Review

Edible oil extraction is a large and well-developed sector based on solvent assisted extraction using volatile organic compounds such as hexane. The extraction of oil from oilseeds generates large volumes of oilseed by-products rich in proteins, fibres, minerals and secondary metabolites that can be...

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Bibliographic Details
Published inProcesses Vol. 10; no. 5; p. 841
Main Authors Nehmeh, Mohamad, Rodriguez-Donis, Ivonne, Cavaco-Soares, Alexandre, Evon, Philippe, Gerbaud, Vincent, Thiebaud-Roux, Sophie
Format Journal Article
LanguageEnglish
Published Basel MDPI AG 01.05.2022
MDPI
Subjects
Agricultural production
Bioactive compounds
Biological activity
By products
Cancer
Cosmetics
Crops
Edible oils
Fatty acids
Food
Food industry
Hexanes
Life Sciences
Lipids
Metabolites
Minerals
Oils & fats
Oilseeds
Organic compounds
Pathogens
Phenolic compounds
Phenols
Proteins
Rapeseed
Raw materials
Refineries
Refining
Reviews
Secondary metabolites
Separation
Solvents
Soybeans
Vegetable oils
VOCs
Volatile organic compounds
Canada
France
United States > US
China
oil extraction
protein meal
secondary metabolites
alternative solvents
oilseed
anti-nutritional factors
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Summary:Edible oil extraction is a large and well-developed sector based on solvent assisted extraction using volatile organic compounds such as hexane. The extraction of oil from oilseeds generates large volumes of oilseed by-products rich in proteins, fibres, minerals and secondary metabolites that can be valued. This work reviews the current status and the bio-macro-composition of oilseeds, namely soybean, rapeseed, sunflower and flaxseed, and the refining process, comprising the extraction of oil, the valorisation and separation of valuable secondary metabolites such as phenolic compounds, and the removal of anti-nutritional factors such as glucosinolates, while retaining the protein in the oilseed meal. It also provides an overview of alternative solvents and some of the unconventional processes used as a replacement to the conventional extraction of edible oil, as well as the solvents used for the extraction of secondary metabolites and anti-nutritional factors. These biologically active compounds, including oils, are primordial raw materials for several industries such as food, pharmaceutical or cosmetics.
ISSN:2227-9717
2227-9717
DOI:10.3390/pr10050841