Fatima-Ezzahra Eddaoudi, Hamza El Moudden, Chakir El Guezzane, Mohammed Saber, H. Harhar, M. Tabyaoui
{"title":"Effect of extraction process on quality of oil from Asphodelus tenuifolius seeds","authors":"Fatima-Ezzahra Eddaoudi, Hamza El Moudden, Chakir El Guezzane, Mohammed Saber, H. Harhar, M. Tabyaoui","doi":"10.1051/ocl/2023020","DOIUrl":"https://doi.org/10.1051/ocl/2023020","url":null,"abstract":"In this study, Asphodelus tenuifolius (ATO) seeds oils were extracted by three different extraction methods, namely Soxhlet extraction (SE), microwave-assisted extraction (MAE) and ultrasonic-assisted extraction (UAE). The physicochemical properties, fatty acids, sterols, tocols, total phenol content and antioxidant activity of ATO seed were examined and compared. The best extraction yield was from SE (21.97 ± 0.01%), followed by MAE (19.28 ± 0.13%) while that of UAE was the lowest (16.5 ± 0.1%). Analysis of the chemical composition of these oils showed that linoleic acid and β-sitosterol were the main fatty acid and sterol compounds, respectively. A large amount of fatty acids and sterols were not significantly affected by the three extraction methods. Nevertheless, the tocols, the total phenols contents and the antioxidant power showed a variation between these three extracted oils. Based on these results, it was found that this specie has great potential for industrial use.","PeriodicalId":19440,"journal":{"name":"OCL","volume":"26 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76568713","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Soybean oleosome-based oleogels via polymer-bridging based structuring. Mechanical properties at large deformations","authors":"Juan Carlos Zambrano Solorzano, T. Vilgis","doi":"10.1051/ocl/2023004","DOIUrl":"https://doi.org/10.1051/ocl/2023004","url":null,"abstract":"Oleosomes have emerged in the last decade as a multipurpose oil-in-water emulsion suitable for engineering new lipids materials. The need to increase alternative and sustainable methods to modulate the rheological properties of emulsions has been the leading research interest in the oleogelation field. Soybean oleosomes are evaluated as building blocks for creating oleogels in combination with sodium alginate or ι-carrageenan as the structuring elements. Polymer bridging provides a route to produce compact soft, malleable gels by exploiting attractive electrostatic interactions between negatively charged polysaccharides and oleosome surfaces. We investigated the viscoelastic properties of concentrated polymer bridged gels by oscillatory rheological measurements. The rheological characteristics are governed predominantly by the type of polysaccharide and by the ratio between polysaccharide and oleosome content. One yielding step at low strains indicates the breaking of polysaccharide bridging bonds and was visible in all samples. A two-step yielding process, where the second step corresponds to the cage-breaking process, was present at polysaccharide/oleosome ratios where optimum bridging occurs for alginate and carrageenan, 0.005 g/g, 0.01 g/g, respectively. Nonetheless, the bumps corresponding to the second yielding point were more prominent in alginate gels than in carrageenan gels due to the greater bridging ability of alginate. Identifying these rheological hallmarks could provide new ideas towards the improved design of plant-based fatty food products, e.g., cream cheeses and vegan sausages surrogates.","PeriodicalId":19440,"journal":{"name":"OCL","volume":"92 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76056459","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"From fats to lipids: 80 years of shared knowledge \u0000AFECG-SFEL (1943–2023)","authors":"É. Choné","doi":"10.1051/ocl/2023010","DOIUrl":"https://doi.org/10.1051/ocl/2023010","url":null,"abstract":"This is anOpe Société Française pour l’Étude des Lipides (SFEL) celebrates its 80th anniversary this year 2023. Its current legal form dates from September 8, 2011 according to the statutes signed by Anne LE GUILLOU its then President and Alain RANCUREL its Treasurer. Its current purpose is to “bring together specialists in the production, processing and use of oils, fats and derivatives in order to promote the acquisition and extension of knowledge in these branches of industry, to establish and maintain friendly relations between the members of the association”. It also aims to award the Chevreul Medal created in 1963 in memory of the creator of fat chemistry who lived and worked for many years in this magnificent place where we are currently the Verniquet amphitheater ofMuséum national d’Histoire naturelle in Paris. It was also in 2011 that SFEL joined 66 rue La Boétie in Paris in the premises of the Fédération Nationale des Industries des Corps Gras (FNCG). From 2011 to date, the following people have been involved in the life of the association: – As Presidents: Philippe GUESNET since 2021, Frédéric FINE (2019–2020), Michel LINDER (2017–2018), Fabrice TURON (2015–2016), Pierre VILLENEUVE (2012–2014) and Anne LE GUILLOU (2009–2012); – As General Secretary: Claire BERTON-CARABIN currently and since 2019, Claire BOURLIEU-LACANAL (2016–2018), Elmira ARAB-TEHRANY (2017), Michel LINDER (2015–2016), Anne LEGUILLOU (2013–2014), and Jean-Claude ICART (2008–2012); – As Treasurer: Bernadette DELPLANQUE (2019–2023) linchpin of the current Chevreul days with Philippe GUESNET (2017–2018), and Alain RANCUREL (2003–2016) true memory of our association. All in all, a happy collaboration of researchers, academics, teachers, business executives, technical and interprofessional centers in the lipids and fats sector. The highlight of this period 2011–2023 was undoubtedly the 2017 Congress of Nancy “Lipids & Brain, Lipids in Alzheimer disease” organized by the team of Michel LINDER of the University of Lorraine on a theme of great scientific and practical interest, with a public conference given by Stephan CUNNANE Chevreul Medalist 2017 in the sumptuous and prestigious setting of the major salons of the City Hall of Nancy overlooking Place Stanislas. Also “Lipids & Brain” 2015, 2011, 2007 in Paris organized by the respective teams with the Chevreul Medals attributed to Michael CRAWFORD (2015), Nicolas BAZAN (2011) and Stanley RAPOPORT (2007). Before 2011 and since 1973, the name of SFEL was Association Française pour l’Étude des Corps Gras (AFECG). Its purpose was to bring together specialists in the study and manufacture of fats and derivatives, with a view to promoting knowledge of scientific or technical problems of general interest in these branches of industry, and to establish and maintain all friendly relations between members. It can therefore be seen that at the time the object was focused on the industrial sector since its origin, it was only in 2011 th","PeriodicalId":19440,"journal":{"name":"OCL","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83391372","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}