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Institute of Food Science and TechnologyEnzyme‐assisted extraction of rapeseed oil with

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Enzyme-assisted extraction of oil (soybean, rapeseed, corn,

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3 4tday soybean peanut coconut cold press oil extraction

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Enzyme-assisted extraction of oil (soybean, rapeseed

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Oil Mill PlantOil Ratio Analysis Of Common Oil Crops Oil mill

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Seed Oil PressSoybean Oil Production Line, Soybean Oil

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cold press copra,coconut, soybean palm kernel oil extraction

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PubMedVegetable Oils and Their Use for Frying: A Review of Their

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Recent advances in green soybean oil extraction: A review

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Desmet BallestraOils & Fats refining Desmet

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  • Does cold pressed soybean oil scavenge radicals?
  • On the contrary, cold pressed soybean oil was characterized by remarkably lower 2,2-diphenyl-1-picrylhydrazyl (DPPH·) radical scavenging activity (17.4%) than cold pressed oils of hemp (76.2%), pumpkin seed (65.3%), rapeseed (51.2%), sunflower (23.8%), rice bran (23.7%), and flaxseed (19.3%) ( Siger et al., 2008 ).
  • Are cold pressed soybean oils solvent-extracted?
  • Commercial soybean oils are commonly solvent-extracted and refined due to their high phosphatides contents. Hence, few studies exist on characterization of cold pressed soybean oils in the literature.
  • Does solvent extraction reduce -tocopherol in soybean oil?
  • Kania et al. (2004) reported that solvent extraction of soybean oil yielded higher total tocopherols content (1448 mg/kg) than cold pressing (1358 mg/kg), and the refining process led to the loss of α-tocopherol by 37%, β-tocopherol by 56%, γ-tocopherol by 17%, and δ-tocopherol by 34% in solvent-extracted soybean oil.
  • What are the problems of cold pressed soybean oil?
  • The fundamental problem of cold pressed soybean oils is the lack of deactivation step of lipoxygenase isoenzymes, which impair the stability and quality of the oil. Therefore, Engeseth, Klein, and Warner (1987) suggested to apply tempering procedure to soybeans before oil extraction.
  • Does cold pressed soybean oil contain -carotene?
  • Cold pressed soybean oil is characterized by lower β-carotene content (0.3–27.0 mg/kg) than cold pressed oils of linseed (150 mg/kg), pumpkin seed (5.5–150.0 mg/kg), rapeseed (1.7–80.0 mg/kg), corn (0.9–35.0 mg/kg), and flaxseed (0.7 mg/kg) ( Rafalowski et al., 2008; Tuberoso et al., 2007 ).
  • Does cold pressed soybean oil contain trans fatty acids?
  • However, Brühl (1996) detected the presence of trans fatty acids (0.10%–0.15%) in cold pressed soybean oils. The author thus stated that trans fatty acids may occur due to high temperature drying of seeds before cold pressing and/or deodorization of cold pressed soybean oils or blending of cold pressed oils with refined ones.