{"id":"https://openalex.org/W795965296","doi":null,"title":"The determination of cis and trans fatty acid isomers in partially hydrogenated plant oils","display_name":"The determination of cis and trans fatty acid isomers in partially hydrogenated plant oils","publication_year":2007,"publication_date":"2007-03-01","ids":{"openalex":"https://openalex.org/W795965296","mag":"795965296"},"language":"en","primary_location":{"id":"pmh:oai:scholar.sun.ac.za:10019.1/2628","doi":null,"is_oa":true,"landing_page_url":"http://hdl.handle.net/10019.1/2628","pdf_url":"http://hdl.handle.net/10019.1/2628","source":{"id":"https://openalex.org/S4306400300","display_name":"SUNScholar (Stellenbosch University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I26092322","host_organization_name":"Stellenbosch University","host_organization_lineage":["https://openalex.org/I26092322"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Thesis"},"volume":null,"type":"dissertation","is_traditional":true,"indexed_in":[],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://hdl.handle.net/10019.1/2628","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5091371065","display_name":"Christiaan De Wet Marais","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Christiaan De Wet Marais","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5091371065"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":4,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10909","display_name":"Edible Oils Quality and Analysis","score":0.7294999957084656,"subfield":{"id":"https://openalex.org/subfields/1605","display_name":"Organic Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10909","display_name":"Edible Oils Quality and Analysis","score":0.7294999957084656,"subfield":{"id":"https://openalex.org/subfields/1605","display_name":"Organic Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10908","display_name":"Analytical Chemistry and Chromatography","score":0.19750000536441803,"subfield":{"id":"https://openalex.org/subfields/1602","display_name":"Analytical Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T14127","display_name":"Food Nutrient Composition and Product Development","score":0.033399999141693115,"subfield":{"id":"https://openalex.org/subfields/1106","display_name":"Food Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/trans-fatty-acids","display_name":"trans fatty acids","score":0.9570000171661377},{"id":"https://openalex.org/keywords/cis-unsaturated-fatty-acids","display_name":"cis-unsaturated fatty acids","score":0.8029999732971191},{"id":"https://openalex.org/keywords/partially-hydrogenated-oils","display_name":"partially hydrogenated oils","score":0.8149999976158142},{"id":"https://openalex.org/keywords/margarine","display_name":"margarine","score":0.8709999918937683},{"id":"https://openalex.org/keywords/bread-spreads","display_name":"bread spreads","score":0.984000027179718},{"id":"https://openalex.org/keywords/gas-chromatography","display_name":"gas chromatography","score":0.6610000133514404},{"id":"https://openalex.org/keywords/fatty-acid-extraction","display_name":"fatty acid extraction","score":0.8180000185966492},{"id":"https://openalex.org/keywords/transmethylation","display_name":"transmethylation","score":0.9610000252723694},{"id":"https://openalex.org/keywords/food-labeling","display_name":"food labeling","score":0.6909999847412109},{"id":"https://openalex.org/keywords/cardiovascular-risk","display_name":"cardiovascular risk","score":0.5950000286102295},{"id":"https://openalex.org/keywords/breast-cancer-risk","display_name":"breast cancer risk","score":0.7720000147819519},{"id":"https://openalex.org/keywords/infant-growth","display_name":"infant growth","score":0.5649999976158142},{"id":"https://openalex.org/keywords/south-africa","display_name":"South Africa","score":0.7400000095367432}],"concepts":[{"id":"https://openalex.org/C176788430","wikidata":"https://www.wikidata.org/wiki/Q283611","display_name":"Cis\u2013trans isomerism","level":2,"score":0.5725290775299072},{"id":"https://openalex.org/C543025807","wikidata":"https://www.wikidata.org/wiki/Q61476","display_name":"Fatty acid","level":2,"score":0.5132365226745605},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.5035952925682068},{"id":"https://openalex.org/C2778927644","wikidata":"https://www.wikidata.org/wiki/Q127980","display_name":"Trans fat","level":4,"score":0.43742379546165466},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.3780677318572998},{"id":"https://openalex.org/C59822182","wikidata":"https://www.wikidata.org/wiki/Q441","display_name":"Botany","level":1,"score":0.35488361120224},{"id":"https://openalex.org/C31903555","wikidata":"https://www.wikidata.org/wiki/Q1637030","display_name":"Food science","level":1,"score":0.34249380230903625},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.22661876678466797},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.16013911366462708},{"id":"https://openalex.org/C3020261727","wikidata":"https://www.wikidata.org/wiki/Q970537","display_name":"Saturated fat","level":3,"score":0.0},{"id":"https://openalex.org/C2778163477","wikidata":"https://www.wikidata.org/wiki/Q43656","display_name":"Cholesterol","level":2,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:scholar.sun.ac.za:10019.1/2628","doi":null,"is_oa":true,"landing_page_url":"http://hdl.handle.net/10019.1/2628","pdf_url":"http://hdl.handle.net/10019.1/2628","source":{"id":"https://openalex.org/S4306400300","display_name":"SUNScholar (Stellenbosch University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I26092322","host_organization_name":"Stellenbosch University","host_organization_lineage":["https://openalex.org/I26092322"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Thesis"},{"id":"mag:795965296","doi":null,"is_oa":false,"landing_page_url":"http://scholar.sun.ac.za/bitstream/10019.1/2628/2/marais_determination_2007.pdf","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null}],"best_oa_location":{"id":"pmh:oai:scholar.sun.ac.za:10019.1/2628","doi":null,"is_oa":true,"landing_page_url":"http://hdl.handle.net/10019.1/2628","pdf_url":"http://hdl.handle.net/10019.1/2628","source":{"id":"https://openalex.org/S4306400300","display_name":"SUNScholar (Stellenbosch University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I26092322","host_organization_name":"Stellenbosch University","host_organization_lineage":["https://openalex.org/I26092322"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Thesis"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/2","score":0.6735000014305115,"display_name":"Zero hunger"},{"id":"https://metadata.un.org/sdg/3","score":0.5683000087738037,"display_name":"Good health and well-being"}],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320334626","display_name":"Medical Research Council","ror":"https://ror.org/03x94j517"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W795965296.pdf","grobid_xml":"https://content.openalex.org/works/W795965296.grobid-xml"},"referenced_works_count":61,"referenced_works":["https://openalex.org/W176495943","https://openalex.org/W184394272","https://openalex.org/W300755610","https://openalex.org/W566620740","https://openalex.org/W628593324","https://openalex.org/W637547452","https://openalex.org/W645687504","https://openalex.org/W793434611","https://openalex.org/W1540116808","https://openalex.org/W1568539426","https://openalex.org/W1599485561","https://openalex.org/W1898234187","https://openalex.org/W1925909900","https://openalex.org/W1955442906","https://openalex.org/W1963829202","https://openalex.org/W1974913055","https://openalex.org/W1983593020","https://openalex.org/W1985731120","https://openalex.org/W1988417398","https://openalex.org/W1989651404","https://openalex.org/W1991317909","https://openalex.org/W1991718422","https://openalex.org/W1991782052","https://openalex.org/W1994798330","https://openalex.org/W1995366125","https://openalex.org/W2003086599","https://openalex.org/W2019512646","https://openalex.org/W2021073285","https://openalex.org/W2021915262","https://openalex.org/W2022424468","https://openalex.org/W2029534552","https://openalex.org/W2036707900","https://openalex.org/W2041019024","https://openalex.org/W2043283950","https://openalex.org/W2046411548","https://openalex.org/W2065348386","https://openalex.org/W2074282450","https://openalex.org/W2080782915","https://openalex.org/W2083450623","https://openalex.org/W2095698688","https://openalex.org/W2101736576","https://openalex.org/W2105411749","https://openalex.org/W2121638506","https://openalex.org/W2125975120","https://openalex.org/W2134357626","https://openalex.org/W2150225488","https://openalex.org/W2163736375","https://openalex.org/W2166955468","https://openalex.org/W2166989398","https://openalex.org/W2167948621","https://openalex.org/W2168526937","https://openalex.org/W2181589665","https://openalex.org/W2227241449","https://openalex.org/W2270523251","https://openalex.org/W2304738702","https://openalex.org/W2312946786","https://openalex.org/W2316325669","https://openalex.org/W2322802533","https://openalex.org/W2395517624","https://openalex.org/W2395724151","https://openalex.org/W2418626677"],"related_works":["https://openalex.org/W4252324110","https://openalex.org/W2056577285","https://openalex.org/W4248011217","https://openalex.org/W2359949724","https://openalex.org/W1976962510","https://openalex.org/W2225196229","https://openalex.org/W2104664751","https://openalex.org/W2588142645","https://openalex.org/W2057877833","https://openalex.org/W3004831514"],"abstract_inverted_index":{"Trans":[0],"isomers":[1,188,221,271],"are":[2,231],"formed":[3],"during":[4],"the":[5,21,105,109,112,119,131,139,143,155,158,175,180,213,232,242,261,266,307,316,320,331,334],"partial":[6],"hydrogenation":[7],"process":[8],"of":[9,16,107,111,124,145,157,161,179,198,234,244,265,276,333],"cis":[10,182,215,268,366],"unsaturated":[11,185],"fatty":[12,18,49,70,99,121,147,163,186,219,229,303,317,336],"acids.The":[13],"major":[14],"source":[15],"trans":[17,48,69,98,120,146,162,184,217,270,368],"acids":[19,50,71,100,122,148,164,230,318,337],"in":[20,55,59,81,116,149,165,190,222,272,342,349,370],"normal":[22],"person's":[23],"diet":[24],"is":[25,356],"from":[26,31,193,319],"margarines":[27,224],"and":[28,36,58,63,86,177,183,204,211,216,225,241,263,269,306,327,344],"shortenings":[29],"made":[30,192],"these":[32,95],"partially":[33,194],"hydrogenated":[34,195],"plant":[35],"marine":[37],"oils.In":[38],"addition":[39],"to":[40,137,202,209,257,281],"influencing":[41],"lipid":[42],"risk":[43],"factors":[44],"for":[45,75,142,260,301],"cardiovascular":[46],"disease,":[47],"have":[51,72,101,152],"also":[52],"been":[53,73,92,172],"implicated":[54],"breast":[56],"cancer,":[57],"poor":[60],"fetal":[61],"development":[62],"reduced":[64],"early":[65],"infant":[66],"growth.In":[67],"reality,":[68],"consumed":[74],"centuries,":[76],"since":[77],"they":[78],"occur":[79],"naturally":[80,96],"beef,":[82],"mutton,":[83],"butter,":[84],"milk":[85],"other":[87,308],"dairy":[88],"products.Though":[89],"it":[90,134,254],"has":[91,171],"shown":[93],"that":[94,228],"occurring":[97],"different":[102,181,214,267],"effects":[103],"on":[104,130,154,174],"health":[106],"humans.With":[108],"implementation":[110],"new":[113],"labelling":[114],"law":[115],"South":[117],"Africa,":[118],"content":[123],"food":[125,132,166],"items":[126],"must":[127],"be":[128],"displayed":[129],"label.Therefore,":[133],"becomes":[135],"necessary":[136],"optimise":[138,205],"analytical":[140,207],"methodology":[141],"determination":[144],"foods.Many":[150],"publications":[151],"reported":[153],"quantification":[156,178,264],"total":[159],"concentration":[160],"samples,":[167,321],"while":[168],"less":[169],"work":[170],"done":[173],"identification":[176,262],"acid":[187,220,304,348],"found":[189],"foods":[191],"oils.The":[196],"objective":[197],"this":[199],"study":[200],"was":[201,255,278,373],"standardise":[203],"an":[206],"technique":[208],"identify":[210],"quantify":[212],"mono-unsaturated":[218],"local":[223],"bread":[226],"spreads.Seeing":[227],"group":[233,275],"lipids":[235],"most":[236],"commonly":[237],"analysed":[238],"by":[239],"GLC":[240,259],"availability":[243],"highly":[245],"polar":[246],"capillary":[247,285,297,313],"columns":[248,286],"bonded":[249],"with":[250,288],"cyanoalkyl":[251,289],"polysiloxan":[252,290],"phases,":[253],"decided":[256,280],"use":[258],"a":[273,293,309],"selected":[274],"margarines.It":[277],"further":[279],"evaluate":[282],"two":[283],"BPX-70":[284,296,312],"packed":[287],"phases.The":[291],"one":[292],"30":[294],"m":[295,311],"column,":[298],"normally":[299],"used":[300],"routine":[302],"analyses,":[305],"120":[310],"column.To":[314],"extract":[315],"extraction":[322],"solutions":[323],"including":[324],"chloroform,":[325],"methanol":[326,343],"hexane":[328],"were":[329,351],"evaluated.For":[330],"transmethylation":[332],"extracted":[335],"0.5":[338],"M":[339],"sodium":[340],"methoxide":[341],"5%":[345],"concentrated":[346],"sulphuric":[347],"methanol,":[350],"evaluated.iii":[352],"vi":[353],"Kapill\u00eare":[354],"elektroforese":[355],"ook":[357],"gebruik,":[358],"maar":[359],"die":[360,365],"skeiding":[361],"en":[362,367,377],"identifisering":[363],"van":[364],"vetsuur-isomere":[369],"'n":[371],"standaardmonster":[372],"nie":[374],"suksesvol":[375],"nie,":[376],"verdere":[378],"analitiese":[379],"ontwikkeling":[380],"word":[381],"benodig.":[382]},"counts_by_year":[{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":2}],"updated_date":"2026-11-08T12:12:28.789561","created_date":"2016-06-24T00:00:00"}
