{"id":"https://openalex.org/W2011107569","doi":"https://doi.org/10.1007/bf02639811","title":"Estimation of vitamin A in margarine. IV. Assay procedures for yellow margarine made with and without carotene","display_name":"Estimation of vitamin A in margarine. IV. Assay procedures for yellow margarine made with and without carotene","publication_year":1952,"publication_date":"1952-08-01","ids":{"openalex":"https://openalex.org/W2011107569","doi":"https://doi.org/10.1007/bf02639811","mag":"2011107569"},"language":"en","primary_location":{"id":"doi:10.1007/bf02639811","doi":"https://doi.org/10.1007/bf02639811","is_oa":false,"landing_page_url":"https://doi.org/10.1007/bf02639811","pdf_url":null,"source":{"id":"https://openalex.org/S38637062","display_name":"Journal of the American Oil Chemists Society","issn_l":"0003-021X","issn":["0003-021X","1558-9331"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","jufo-1","ki-jl-1","norway-1","poland-70","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of the American Oil Chemists' Society","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5009483075","display_name":"Frederick H. Luckmann","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Frederick H. Luckmann","raw_affiliation_strings":["Research Laboratories The Best Foods Inc. Bayonne New Jersey"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Research Laboratories The Best Foods Inc. Bayonne New Jersey","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5017037499","display_name":"Daniel Melnick","orcid":"https://orcid.org/0000-0001-8397-7391","observed_orcids":["https://orcid.org/0000-0001-8397-7391"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Daniel Melnick","raw_affiliation_strings":["Research Laboratories The Best Foods Inc. Bayonne New Jersey"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Research Laboratories The Best Foods Inc. Bayonne New Jersey","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5089076553","display_name":"Hans W. Vahlteich","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Hans W. Vahlteich","raw_affiliation_strings":["Research Laboratories The Best Foods Inc. Bayonne New Jersey"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Research Laboratories The Best Foods Inc. Bayonne New Jersey","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":3555,"currency":"USD","value_usd":3555},"apc_paid":null,"fwci":7.0489,"has_fulltext":false,"cited_by_count":8,"citation_normalized_percentile":{"value":0.9508547,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":null,"biblio":{"volume":"29","issue":"8","first_page":"321","last_page":"330"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T14127","display_name":"Food Nutrient Composition and Product Development","score":0.9702000021934509,"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"}},"topics":[{"id":"https://openalex.org/T14127","display_name":"Food Nutrient Composition and Product Development","score":0.9702000021934509,"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"}},{"id":"https://openalex.org/T10445","display_name":"Antioxidant Activity and Oxidative Stress","score":0.019700000062584877,"subfield":{"id":"https://openalex.org/subfields/2704","display_name":"Biochemistry (medical)"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10909","display_name":"Edible Oils Quality and Analysis","score":0.00279999990016222,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/vitamin-a","display_name":"vitamin A","score":0.9919999837875366},{"id":"https://openalex.org/keywords/margarine","display_name":"margarine","score":0.9660000205039978},{"id":"https://openalex.org/keywords/carotene","display_name":"carotene","score":0.9649999737739563},{"id":"https://openalex.org/keywords/vitamin-a-assay","display_name":"vitamin A assay","score":0.7940000295639038},{"id":"https://openalex.org/keywords/carotenoids","display_name":"carotenoids","score":0.4449999928474426},{"id":"https://openalex.org/keywords/vitamin-a-content","display_name":"vitamin A content","score":0.39500001072883606}],"concepts":[{"id":"https://openalex.org/C3018890749","wikidata":"https://www.wikidata.org/wiki/Q204711","display_name":"Food and drug administration","level":2,"score":0.6510429382324219},{"id":"https://openalex.org/C108170787","wikidata":"https://www.wikidata.org/wiki/Q3951828","display_name":"Agency (philosophy)","level":2,"score":0.48453468084335327},{"id":"https://openalex.org/C161191863","wikidata":"https://www.wikidata.org/wiki/Q199655","display_name":"Library science","level":1,"score":0.44811776280403137},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3148926794528961},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.22453367710113525},{"id":"https://openalex.org/C144024400","wikidata":"https://www.wikidata.org/wiki/Q21201","display_name":"Sociology","level":0,"score":0.21690568327903748},{"id":"https://openalex.org/C36289849","wikidata":"https://www.wikidata.org/wiki/Q34749","display_name":"Social science","level":1,"score":0.09522756934165955},{"id":"https://openalex.org/C98274493","wikidata":"https://www.wikidata.org/wiki/Q128406","display_name":"Pharmacology","level":1,"score":0.0830388069152832}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/bf02639811","doi":"https://doi.org/10.1007/bf02639811","is_oa":false,"landing_page_url":"https://doi.org/10.1007/bf02639811","pdf_url":null,"source":{"id":"https://openalex.org/S38637062","display_name":"Journal of the American Oil Chemists Society","issn_l":"0003-021X","issn":["0003-021X","1558-9331"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","jufo-1","ki-jl-1","norway-1","poland-70","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of the American Oil Chemists' Society","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/2","display_name":"Zero hunger","score":0.7142999768257141}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":17,"referenced_works":["https://openalex.org/W1571708387","https://openalex.org/W1764431474","https://openalex.org/W1874747717","https://openalex.org/W1999334851","https://openalex.org/W2007535924","https://openalex.org/W2019095155","https://openalex.org/W2046867755","https://openalex.org/W2048077549","https://openalex.org/W2070456245","https://openalex.org/W2082375796","https://openalex.org/W2305911578","https://openalex.org/W2325254380","https://openalex.org/W2338981934","https://openalex.org/W2339652869","https://openalex.org/W2352122213","https://openalex.org/W2506751892","https://openalex.org/W2611539773"],"related_works":["https://openalex.org/W1992462290","https://openalex.org/W1459161837","https://openalex.org/W2262833947","https://openalex.org/W2242290130","https://openalex.org/W2305533368","https://openalex.org/W2070456245","https://openalex.org/W4254706166","https://openalex.org/W3008906642","https://openalex.org/W2050883804","https://openalex.org/W2078348562"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}
