Oil Characterization and Lipids Class Composition of Pomegranate Seeds

This study aims to investigate the physicochemical characteristics, phenolics content, and oil composition of pomegranate oil seeds (PSO). Quality indices, pigments, phenolics content, and antioxidant activity were determined. PSO was fractioned into polar lipids: glycolipids (GL) and phospholipids...

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Veröffentlicht in:BioMed research international 2017-01, Vol.2017 (2017), p.1-8
Hauptverfasser: Hammami, Mohamed, Dabbaghi, Olfa, El-Gharbi, Sinda, Mekni, Manel, Lazreg-Aref, Houda, Amri, Zahra, Mechri, Beligh
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container_issue 2017
container_start_page 1
container_title BioMed research international
container_volume 2017
creator Hammami, Mohamed
Dabbaghi, Olfa
El-Gharbi, Sinda
Mekni, Manel
Lazreg-Aref, Houda
Amri, Zahra
Mechri, Beligh
description This study aims to investigate the physicochemical characteristics, phenolics content, and oil composition of pomegranate oil seeds (PSO). Quality indices, pigments, phenolics content, and antioxidant activity were determined. PSO was fractioned into polar lipids: glycolipids (GL) and phospholipids (PL). Sterols profile and fatty acids composition of total lipids (TL), GL, and PL were determined by GC/FID. The free acidity, the peroxide value, and the specific extinction coefficients were, respectively, 1.69%, 3.42 in milliequivalents of active oxygen per kilogram of oil, 4.15, and 3.95. PSO is rich in phenols (93.42 mg/Kg) but poor in pigments. The sterols markers were β-sitosterol (77.94%), Δ5-avenasterol (7.45%), and campesterol (6.35%). Oil content was 12.2%, wherein 23.9% were GL and 24.35% were PL. TL were rich in unsaturated fatty acids (63.17%), while saturated fatty acids were more present in PL and GL (71.97% and 66.29%, resp.). Conjugated fatty acids were about 13.30%, 2.03%, and 4.91%, respectively, in TL, PL, and GL. The cis/trans ratio of TL, PL, and GL was, respectively, 49.82%, 42.91%, and 27.39%. Monounsaturated fatty acids were more bound in PL, whereas polyunsaturated fatty acids were more bound in GL. PSO is a good source of essential fatty acids, phenolics compounds, phytosterols, and lipid-soluble fractions.
doi_str_mv 10.1155/2017/2037341
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Quality indices, pigments, phenolics content, and antioxidant activity were determined. PSO was fractioned into polar lipids: glycolipids (GL) and phospholipids (PL). Sterols profile and fatty acids composition of total lipids (TL), GL, and PL were determined by GC/FID. The free acidity, the peroxide value, and the specific extinction coefficients were, respectively, 1.69%, 3.42 in milliequivalents of active oxygen per kilogram of oil, 4.15, and 3.95. PSO is rich in phenols (93.42 mg/Kg) but poor in pigments. The sterols markers were β-sitosterol (77.94%), Δ5-avenasterol (7.45%), and campesterol (6.35%). Oil content was 12.2%, wherein 23.9% were GL and 24.35% were PL. TL were rich in unsaturated fatty acids (63.17%), while saturated fatty acids were more present in PL and GL (71.97% and 66.29%, resp.). Conjugated fatty acids were about 13.30%, 2.03%, and 4.91%, respectively, in TL, PL, and GL. The cis/trans ratio of TL, PL, and GL was, respectively, 49.82%, 42.91%, and 27.39%. Monounsaturated fatty acids were more bound in PL, whereas polyunsaturated fatty acids were more bound in GL. PSO is a good source of essential fatty acids, phenolics compounds, phytosterols, and lipid-soluble fractions.</description><identifier>ISSN: 2314-6133</identifier><identifier>EISSN: 2314-6141</identifier><identifier>DOI: 10.1155/2017/2037341</identifier><identifier>PMID: 28812011</identifier><language>eng</language><publisher>Cairo, Egypt: Hindawi Publishing Corporation</publisher><subject>Acidity ; Biochemistry ; Chemical properties ; Cholesterol - analogs &amp; derivatives ; Cholesterol - chemistry ; Composition ; Fatty acids ; Fatty Acids, Unsaturated - chemistry ; Fatty Acids, Unsaturated - isolation &amp; purification ; Food ; Glycolipids ; Glycolipids - chemistry ; Glycolipids - isolation &amp; purification ; Guanylate cyclase ; Lipids ; Lipids - chemistry ; Lipids - classification ; Lythraceae - chemistry ; Nutrition ; Oil ; Oil characterization ; Oils &amp; fats ; Peroxide ; Phenols ; Phospholipids ; Phytosterols ; Phytosterols - chemistry ; Pigments ; Plant Oils - chemistry ; Polyunsaturated fatty acids ; Pomegranate ; Potassium ; Seeds ; Seeds - chemistry ; Sterols ; Vegetable oils ; Vitamin A</subject><ispartof>BioMed research international, 2017-01, Vol.2017 (2017), p.1-8</ispartof><rights>Copyright © 2017 Zahra Amri et al.</rights><rights>COPYRIGHT 2017 John Wiley &amp; Sons, Inc.</rights><rights>Copyright © 2017 Zahra Amri et al.; This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.</rights><rights>Copyright © 2017 Zahra Amri et al. 2017</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c565t-4f61b5154e04c029b9eeef4a18340ef336c11fc4b71d68f32b094aa2ff00fed53</citedby><cites>FETCH-LOGICAL-c565t-4f61b5154e04c029b9eeef4a18340ef336c11fc4b71d68f32b094aa2ff00fed53</cites><orcidid>0000-0002-0361-4505</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC5546132/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC5546132/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,315,728,781,785,886,27929,27930,53796,53798</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/28812011$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><contributor>Husain, Kazim</contributor><creatorcontrib>Hammami, Mohamed</creatorcontrib><creatorcontrib>Dabbaghi, Olfa</creatorcontrib><creatorcontrib>El-Gharbi, Sinda</creatorcontrib><creatorcontrib>Mekni, Manel</creatorcontrib><creatorcontrib>Lazreg-Aref, Houda</creatorcontrib><creatorcontrib>Amri, Zahra</creatorcontrib><creatorcontrib>Mechri, Beligh</creatorcontrib><title>Oil Characterization and Lipids Class Composition of Pomegranate Seeds</title><title>BioMed research international</title><addtitle>Biomed Res Int</addtitle><description>This study aims to investigate the physicochemical characteristics, phenolics content, and oil composition of pomegranate oil seeds (PSO). Quality indices, pigments, phenolics content, and antioxidant activity were determined. PSO was fractioned into polar lipids: glycolipids (GL) and phospholipids (PL). Sterols profile and fatty acids composition of total lipids (TL), GL, and PL were determined by GC/FID. The free acidity, the peroxide value, and the specific extinction coefficients were, respectively, 1.69%, 3.42 in milliequivalents of active oxygen per kilogram of oil, 4.15, and 3.95. PSO is rich in phenols (93.42 mg/Kg) but poor in pigments. The sterols markers were β-sitosterol (77.94%), Δ5-avenasterol (7.45%), and campesterol (6.35%). Oil content was 12.2%, wherein 23.9% were GL and 24.35% were PL. TL were rich in unsaturated fatty acids (63.17%), while saturated fatty acids were more present in PL and GL (71.97% and 66.29%, resp.). Conjugated fatty acids were about 13.30%, 2.03%, and 4.91%, respectively, in TL, PL, and GL. The cis/trans ratio of TL, PL, and GL was, respectively, 49.82%, 42.91%, and 27.39%. 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Quality indices, pigments, phenolics content, and antioxidant activity were determined. PSO was fractioned into polar lipids: glycolipids (GL) and phospholipids (PL). Sterols profile and fatty acids composition of total lipids (TL), GL, and PL were determined by GC/FID. The free acidity, the peroxide value, and the specific extinction coefficients were, respectively, 1.69%, 3.42 in milliequivalents of active oxygen per kilogram of oil, 4.15, and 3.95. PSO is rich in phenols (93.42 mg/Kg) but poor in pigments. The sterols markers were β-sitosterol (77.94%), Δ5-avenasterol (7.45%), and campesterol (6.35%). Oil content was 12.2%, wherein 23.9% were GL and 24.35% were PL. TL were rich in unsaturated fatty acids (63.17%), while saturated fatty acids were more present in PL and GL (71.97% and 66.29%, resp.). Conjugated fatty acids were about 13.30%, 2.03%, and 4.91%, respectively, in TL, PL, and GL. The cis/trans ratio of TL, PL, and GL was, respectively, 49.82%, 42.91%, and 27.39%. Monounsaturated fatty acids were more bound in PL, whereas polyunsaturated fatty acids were more bound in GL. PSO is a good source of essential fatty acids, phenolics compounds, phytosterols, and lipid-soluble fractions.</abstract><cop>Cairo, Egypt</cop><pub>Hindawi Publishing Corporation</pub><pmid>28812011</pmid><doi>10.1155/2017/2037341</doi><tpages>8</tpages><orcidid>https://orcid.org/0000-0002-0361-4505</orcidid><oa>free_for_read</oa></addata></record>
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subjects Acidity
Biochemistry
Chemical properties
Cholesterol - analogs & derivatives
Cholesterol - chemistry
Composition
Fatty acids
Fatty Acids, Unsaturated - chemistry
Fatty Acids, Unsaturated - isolation & purification
Food
Glycolipids
Glycolipids - chemistry
Glycolipids - isolation & purification
Guanylate cyclase
Lipids
Lipids - chemistry
Lipids - classification
Lythraceae - chemistry
Nutrition
Oil
Oil characterization
Oils & fats
Peroxide
Phenols
Phospholipids
Phytosterols
Phytosterols - chemistry
Pigments
Plant Oils - chemistry
Polyunsaturated fatty acids
Pomegranate
Potassium
Seeds
Seeds - chemistry
Sterols
Vegetable oils
Vitamin A
title Oil Characterization and Lipids Class Composition of Pomegranate Seeds
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