{"id":"https://openalex.org/W1994083113","doi":"https://doi.org/10.1111/j.1365-2621.2003.tb05699.x","title":"Effects of Light, Oxygen, and pH on the Absorbance of 2,2\u2010Diphenyl\u20101\u2010picrylhydrazyl","display_name":"Effects of Light, Oxygen, and pH on the Absorbance of 2,2\u2010Diphenyl\u20101\u2010picrylhydrazyl","publication_year":2003,"publication_date":"2003-03-01","ids":{"openalex":"https://openalex.org/W1994083113","doi":"https://doi.org/10.1111/j.1365-2621.2003.tb05699.x","mag":"1994083113"},"language":"en","primary_location":{"id":"doi:10.1111/j.1365-2621.2003.tb05699.x","doi":"https://doi.org/10.1111/j.1365-2621.2003.tb05699.x","is_oa":false,"landing_page_url":"https://doi.org/10.1111/j.1365-2621.2003.tb05699.x","pdf_url":null,"source":{"id":"https://openalex.org/S23579880","display_name":"Journal of Food Science","issn_l":"0022-1147","issn":["0022-1147","1750-3841"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-d","jufo-1","medline","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 Food Science","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/A5030038663","display_name":"Beraat \u00d6z\u00e7elik","orcid":"https://orcid.org/0000-0002-1810-8154","observed_orcids":["https://orcid.org/0000-0002-1810-8154"]},"institutions":[{"id":"https://openalex.org/I52357470","display_name":"The Ohio State University","ror":"https://ror.org/00rs6vg23","country_code":"US","type":"education","lineage":["https://openalex.org/I52357470"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"B. Ozcelik","raw_affiliation_strings":["The authors are with the Dept. of Food Science and Technology, The Ohio State Univ., 2015 Fyffe Road, Columbus, OH 43210"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The authors are with the Dept. of Food Science and Technology, The Ohio State Univ., 2015 Fyffe Road, Columbus, OH 43210","institution_ids":["https://openalex.org/I52357470"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5056619870","display_name":"J.H. Lee","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I52357470","display_name":"The Ohio State University","ror":"https://ror.org/00rs6vg23","country_code":"US","type":"education","lineage":["https://openalex.org/I52357470"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"J.H. Lee","raw_affiliation_strings":["The authors are with the Dept. of Food Science and Technology, The Ohio State Univ., 2015 Fyffe Road, Columbus, OH 43210"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The authors are with the Dept. of Food Science and Technology, The Ohio State Univ., 2015 Fyffe Road, Columbus, OH 43210","institution_ids":["https://openalex.org/I52357470"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5113992736","display_name":"DAVID B. S. MIN","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I52357470","display_name":"The Ohio State University","ror":"https://ror.org/00rs6vg23","country_code":"US","type":"education","lineage":["https://openalex.org/I52357470"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"D.B. Min","raw_affiliation_strings":["The authors are with the Dept. of Food Science and Technology, The Ohio State Univ., 2015 Fyffe Road, Columbus, OH 43210"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The authors are with the Dept. of Food Science and Technology, The Ohio State Univ., 2015 Fyffe Road, Columbus, OH 43210","institution_ids":["https://openalex.org/I52357470"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5113992736"],"corresponding_institution_ids":["https://openalex.org/I52357470"],"apc_list":{"value":4550,"currency":"USD","value_usd":4550},"apc_paid":null,"fwci":1.7944,"has_fulltext":false,"cited_by_count":258,"citation_normalized_percentile":{"value":0.80844037,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":100},"biblio":{"volume":"68","issue":"2","first_page":"487","last_page":"490"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10035","display_name":"Phytochemicals and Antioxidant Activities","score":0.8256999850273132,"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"}},"topics":[{"id":"https://openalex.org/T10035","display_name":"Phytochemicals and Antioxidant Activities","score":0.8256999850273132,"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/T13013","display_name":"Free Radicals and Antioxidants","score":0.1437000036239624,"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/T10445","display_name":"Antioxidant Activity and Oxidative Stress","score":0.015599999576807022,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/dpph","display_name":"DPPH","score":0.9620000123977661},{"id":"https://openalex.org/keywords/antioxidant-activity","display_name":"antioxidant activity","score":0.5260000228881836},{"id":"https://openalex.org/keywords/light-induced-decomposition","display_name":"light-induced decomposition","score":0.6169999837875366},{"id":"https://openalex.org/keywords/oxygen","display_name":"oxygen","score":0.36500000953674316},{"id":"https://openalex.org/keywords/ph-effect","display_name":"pH effect","score":0.6610000133514404},{"id":"https://openalex.org/keywords/solvent-effects","display_name":"solvent effects","score":0.8669999837875366},{"id":"https://openalex.org/keywords/methanol","display_name":"methanol","score":0.7319999933242798},{"id":"https://openalex.org/keywords/acetone","display_name":"acetone","score":0.9879999756813049},{"id":"https://openalex.org/keywords/free-radical-scavenging-activity","display_name":"free radical scavenging","score":0.6669999957084656}],"concepts":[{"id":"https://openalex.org/C98015330","wikidata":"https://www.wikidata.org/wiki/Q907315","display_name":"Absorbance","level":2,"score":0.9571393132209778},{"id":"https://openalex.org/C2781401929","wikidata":"https://www.wikidata.org/wiki/Q5205953","display_name":"DPPH","level":3,"score":0.8687574863433838},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.8596701622009277},{"id":"https://openalex.org/C2781213060","wikidata":"https://www.wikidata.org/wiki/Q49546","display_name":"Acetone","level":2,"score":0.7869018316268921},{"id":"https://openalex.org/C2776188313","wikidata":"https://www.wikidata.org/wiki/Q902552","display_name":"Oxygen radical absorbance capacity","level":4,"score":0.7754818201065063},{"id":"https://openalex.org/C2779607525","wikidata":"https://www.wikidata.org/wiki/Q14982","display_name":"Methanol","level":2,"score":0.6709043979644775},{"id":"https://openalex.org/C2780471494","wikidata":"https://www.wikidata.org/wiki/Q146505","display_name":"Solvent","level":2,"score":0.599643349647522},{"id":"https://openalex.org/C540031477","wikidata":"https://www.wikidata.org/wiki/Q629","display_name":"Oxygen","level":2,"score":0.5214242935180664},{"id":"https://openalex.org/C2778004101","wikidata":"https://www.wikidata.org/wiki/Q133948","display_name":"Antioxidant","level":2,"score":0.4231453537940979},{"id":"https://openalex.org/C13965031","wikidata":"https://www.wikidata.org/wiki/Q243545","display_name":"Nuclear chemistry","level":1,"score":0.39960983395576477},{"id":"https://openalex.org/C43617362","wikidata":"https://www.wikidata.org/wiki/Q170050","display_name":"Chromatography","level":1,"score":0.2895042896270752},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.20589354634284973}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1111/j.1365-2621.2003.tb05699.x","doi":"https://doi.org/10.1111/j.1365-2621.2003.tb05699.x","is_oa":false,"landing_page_url":"https://doi.org/10.1111/j.1365-2621.2003.tb05699.x","pdf_url":null,"source":{"id":"https://openalex.org/S23579880","display_name":"Journal of Food Science","issn_l":"0022-1147","issn":["0022-1147","1750-3841"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-d","jufo-1","medline","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 Food Science","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":18,"referenced_works":["https://openalex.org/W1964073735","https://openalex.org/W1975662867","https://openalex.org/W1997894344","https://openalex.org/W1998708521","https://openalex.org/W2025584177","https://openalex.org/W2030880582","https://openalex.org/W2032422922","https://openalex.org/W2038525852","https://openalex.org/W2038578491","https://openalex.org/W2063995028","https://openalex.org/W2066620925","https://openalex.org/W2071988937","https://openalex.org/W2072966189","https://openalex.org/W2083308882","https://openalex.org/W2092865098","https://openalex.org/W2092974256","https://openalex.org/W2115385716","https://openalex.org/W2162002392"],"related_works":["https://openalex.org/W2364986338","https://openalex.org/W2002134115","https://openalex.org/W1996246472","https://openalex.org/W2077139480","https://openalex.org/W2374830716","https://openalex.org/W2128731743","https://openalex.org/W2775694990","https://openalex.org/W7208514484","https://openalex.org/W7098817485","https://openalex.org/W2059406458"],"abstract_inverted_index":{"ABSTRACT:":[0],"The":[1,86],"absorbance":[2,96,103],"of":[3,39,58,88,94,104,117],"2,2\u2010diphenyl\u20101\u2010picrylhydrazyl":[4],"(DPPH)":[5],"at":[6,21,106],"517":[7,107],"nm":[8,108],"in":[9,27,60,65,68,73,119],"methanol":[10],"and":[11,16,67,78,115],"acetone":[12],"decreased":[13,75,110],"by":[14,76,91,111],"20":[15],"35%":[17],"for":[18,35,83],"120":[19,84],"min":[20,46],"25":[22],"\u00b0C":[23],"under":[24,41,47,54,81],"light,":[25,112],"respectively;":[26],"the":[28,92,102,122],"dark":[29],"it":[30],"did":[31],"not":[32],"change":[33],"significantly":[34,50],"150":[36],"min.":[37,85],"Decomposition":[38],"DPPH":[40,59,95,105],"21%":[42],"oxygen":[43],"after":[44],"90":[45],"light":[48,82],"was":[49],"higher":[51],"than":[52],"that":[53],"1%":[55],"oxygen.":[56],"Absorbance":[57],"pH":[61,69],"4":[62],"buffer":[63,71],"solution":[64,72],"methanol,":[66],"10":[70],"acetone,":[74],"55":[77],"80%,":[79],"respectively,":[80],"evaluation":[87],"antioxidant":[89],"activity":[90],"changes":[93],"should":[97],"be":[98],"carefully":[99],"interpreted":[100],"since":[101],"is":[109],"oxygen,":[113],"pH,":[114],"type":[116],"solvent":[118],"addition":[120],"to":[121],"antioxidant.":[123]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":9},{"year":2024,"cited_by_count":11},{"year":2023,"cited_by_count":12},{"year":2022,"cited_by_count":11},{"year":2021,"cited_by_count":17},{"year":2020,"cited_by_count":13},{"year":2019,"cited_by_count":10},{"year":2018,"cited_by_count":15},{"year":2017,"cited_by_count":8},{"year":2016,"cited_by_count":14},{"year":2015,"cited_by_count":14},{"year":2014,"cited_by_count":19},{"year":2013,"cited_by_count":19},{"year":2012,"cited_by_count":21}],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2016-06-24T00:00:00"}