{"id":{"repo_id":"debrecen","oai_identifier":"oai:dea.lib.unideb.hu:2437/245775"},"canonical_url":"https://search.dev.ndltd.org/etd/debrecen/oai:dea.lib.unideb.hu:2437/245775","repository":{"repo_id":"debrecen","name":"University of Debrecen","base_url":"https://dea.lib.unideb.hu/server/oai/request"},"display":{"title":"Determination of fatty acid composition of oils by mass spectrometry","abstract":"The aim of my thesis was the determination of fatty acid content in the oils using mass spectrometry. I investigated the distribution of the fatty acid composition in beard oil, coconut oil, fish oil, palm oil and sunflower oil using GC-MS. Saponification was used as the first step in sample preparation and then I prepared the free fatty acid. HCl and Methanol is added to the sample to produce the FAMEs (Fatty acid methyl esters) done by acid catalyzed process. After this I identified these fatty acids by comparing their retention times to the FAMEs standard. Also using the chromatogram obtained from this experiment I could compare the compounds with the similarity search in the mass spectra library. Based on this I identified the various fatty acid compounds and determine the name.","abstract_html":"The aim of my thesis was the determination of fatty acid content in the oils using mass spectrometry. I investigated the distribution of the fatty acid composition in beard oil, coconut oil, fish oil, palm oil and sunflower oil using GC-MS. Saponification was used as the first step in sample preparation and then I prepared the free fatty acid. HCl and Methanol is added to the sample to produce the FAMEs (Fatty acid methyl esters) done by acid catalyzed process. After this I identified these fatty acids by comparing their retention times to the FAMEs standard. Also using the chromatogram obtained from this experiment I could compare the compounds with the similarity search in the mass spectra library. Based on this I identified the various fatty acid compounds and determine the name.","abstract_has_math":false,"creators":["Fasasi, Gideon Ifeoluwa"],"institution":null,"degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":"DE--Természettudományi és Technológiai Kar--Kémiai Intézet","school":null,"contributors":[],"advisors":["Nagy, Tibor"],"committee_chairs":[],"committee_members":[],"year":null,"date_issued":"","date_published":null,"updated_at":"2026-07-27T19:13:37Z","subjects":["Fatty acid","GC-MS","Methylation"],"languages":["en"],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/2437/245775","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Nagy, Tibor"]},{"key":"dc:contributor.department","label":"Department","values":["DE--Természettudományi és Technológiai Kar--Kémiai Intézet"]},{"key":"dc:creator","label":"Author","values":["Fasasi, Gideon Ifeoluwa"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2017-11-22T09:47:37Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2017-11-22T09:47:37Z"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Fatty acid","GC-MS","Methylation"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language.iso","label":"Language (ISO)","values":["en"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://hdl.handle.net/2437/245775"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["The aim of my thesis was the determination of fatty acid content in the oils using mass spectrometry. I investigated the distribution of the fatty acid composition in beard oil, coconut oil, fish oil, palm oil and sunflower oil using GC-MS. Saponification was used as the first step in sample preparation and then I prepared the free fatty acid. HCl and Methanol is added to the sample to produce the FAMEs (Fatty acid methyl esters) done by acid catalyzed process. After this I identified these fatty acids by comparing their retention times to the FAMEs standard. Also using the chromatogram obtained from this experiment I could compare the compounds with the similarity search in the mass spectra library. Based on this I identified the various fatty acid compounds and determine the name."]},{"key":"dc:description.degree","label":"Dc Description Degree","values":["BSc/BA"]},{"key":"dc:title","label":"Title","values":["Determination of fatty acid composition of oils by mass spectrometry"]}]}],"canonical_facts":{"dc:contributor.advisor":["Nagy, Tibor"],"dc:contributor.department":["DE--Természettudományi és Technológiai Kar--Kémiai Intézet"],"dc:creator":["Fasasi, Gideon Ifeoluwa"],"dc:date.accessioned":["2017-11-22T09:47:37Z"],"dc:date.available":["2017-11-22T09:47:37Z"],"dc:description.abstract":["The aim of my thesis was the determination of fatty acid content in the oils using mass spectrometry. I investigated the distribution of the fatty acid composition in beard oil, coconut oil, fish oil, palm oil and sunflower oil using GC-MS. Saponification was used as the first step in sample preparation and then I prepared the free fatty acid. HCl and Methanol is added to the sample to produce the FAMEs (Fatty acid methyl esters) done by acid catalyzed process. After this I identified these fatty acids by comparing their retention times to the FAMEs standard. Also using the chromatogram obtained from this experiment I could compare the compounds with the similarity search in the mass spectra library. Based on this I identified the various fatty acid compounds and determine the name."],"dc:description.degree":["BSc/BA"],"dc:identifier.uri":["http://hdl.handle.net/2437/245775"],"dc:language.iso":["en"],"dc:subject":["Fatty acid","GC-MS","Methylation"],"dc:title":["Determination of fatty acid composition of oils by mass spectrometry"]},"updated_at":"2026-07-27T19:13:37Z"}