2019
DOI: 10.1002/ejlt.201800502
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Abstract: Seeds of Citrus plants (Rutaceae), an major agro‐industrial waste, are a potential source of valuable by‐products. The chemical composition, the antioxidant profile, and the biological/nutritional properties of fixed oils (SFE oils) obtained by supercritical CO2 extraction (at 300 bar and 40 °C) from seeds of mandarin (Citrus reticulata), lemon (Citrus limon), and grapefruit (Citrus paradisi), discarded by a local agro‐alimentary industry are studied. The yields and compositions of SFE oils are compared to oil… Show more

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Cited by 22 publications
(19 citation statements)
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References 46 publications
(218 reference statements)
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“…Fatty acids profiles of C. paradisi , C. reticulata , C. lemon seed oils (FO 1–3), parsley seed oil (FO 4) and wheat germ oil (FO 5), obtained by SFE‐CO 2 , were in line with those reported by other authors for the same vegetable matrices extracted with different techniques, as indicated in our previous papers (Piras et al ., 2009; Rosa et al ., 2019; Piras et al ., 2020; and citations therein). In this manuscript, by a comparative chemometric approach, we evidenced that FO 1–7 obtained by SFE‐CO 2 generally showed FA profiles similar to FO obtained by conventional hexane extraction.…”
Section: Resultsmentioning
confidence: 99%
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“…Fatty acids profiles of C. paradisi , C. reticulata , C. lemon seed oils (FO 1–3), parsley seed oil (FO 4) and wheat germ oil (FO 5), obtained by SFE‐CO 2 , were in line with those reported by other authors for the same vegetable matrices extracted with different techniques, as indicated in our previous papers (Piras et al ., 2009; Rosa et al ., 2019; Piras et al ., 2020; and citations therein). In this manuscript, by a comparative chemometric approach, we evidenced that FO 1–7 obtained by SFE‐CO 2 generally showed FA profiles similar to FO obtained by conventional hexane extraction.…”
Section: Resultsmentioning
confidence: 99%
“…Solvent extraction (with n ‐hexane or petroleum ether) in a Soxhlet apparatus represents the most used process of extracting oils from vegetable matrices, achieving almost complete recovery of FO (Yeddes et al ., 2012; Satriana et al ., 2019). Nevertheless, owing to the significant disadvantages of this technique (volatile compounds loss, residues of toxic substances and oxidation of fatty acids induced by high temperature), novel and greener methods are actually used for FO extraction such as microwaves, ultrasound‐assisted extraction and the supercritical fluid extraction (Yeddes et al ., 2012; Rosa et al ., 2019; Satriana et al ., 2019).…”
Section: Introductionmentioning
confidence: 99%
“…In this regard, different sustainable and green methodologies for the effective reuse of waste have been recently developed. Protocols for the recovery of valuable compounds include different steps: (i) extraction (i.e., enzyme-assisted, ultrasound-assisted, microwave-assisted, supercritical fluid, pressurized liquid extractions); (ii) separation and purification (via filtration and chromatographic techniques); (iii) identification and characterization (through NMR, mass spectroscopy or chromatography); (iv) toxicological screening both in vitro and in vivo [ 26 , 46 , 64 , 72 ]. Alternatively, conversion of CF waste into biofuels can be performed through thermochemical and biochemical processes such as pyrolysis, thermolysis, gasification, combustion [ 19 ].…”
Section: Discussionmentioning
confidence: 99%
“…Seeds are isolated during the juice extraction, and are a useful source of oil, proteins, limonoids and phenolic compounds, in particular, the flavonoids eriocitrin and hesperidin [ 46 ].…”
Section: Composition Of Citrus Wastementioning
confidence: 99%
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