{"id":"https://openalex.org/W1968529754","doi":"https://doi.org/10.2478/s11532-014-0539-x","title":"Polyphenols in Coreopsis tinctoria Nutt. fruits and the plant extracts antioxidant capacity evaluation","display_name":"Polyphenols in Coreopsis tinctoria Nutt. fruits and the plant extracts antioxidant capacity evaluation","publication_year":2014,"publication_date":"2014-03-12","ids":{"openalex":"https://openalex.org/W1968529754","doi":"https://doi.org/10.2478/s11532-014-0539-x","mag":"1968529754"},"language":"en","primary_location":{"id":"doi:10.2478/s11532-014-0539-x","doi":"https://doi.org/10.2478/s11532-014-0539-x","is_oa":true,"landing_page_url":"https://doi.org/10.2478/s11532-014-0539-x","pdf_url":"https://www.degruyter.com/document/doi/10.2478/s11532-014-0539-x/pdf","source":{"id":"https://openalex.org/S4210229753","display_name":"Open Chemistry","issn_l":"2391-5420","issn":["2391-5420"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-d","jufo-1","norway-1","oarl","poland-70","russia-white-list-2"],"host_organization":"https://openalex.org/P4310320322","host_organization_name":"De Gruyter Open","host_organization_lineage":["https://openalex.org/P4310320322","https://openalex.org/P4310313990"],"host_organization_lineage_names":["De Gruyter Open","De Gruyter"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Open Chemistry","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.degruyter.com/document/doi/10.2478/s11532-014-0539-x/pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5025026947","display_name":"Christina Z\u00e3laru","orcid":"https://orcid.org/0000-0001-7980-7066","observed_orcids":["https://orcid.org/0000-0001-7980-7066"]},"institutions":[{"id":"https://openalex.org/I141595442","display_name":"University of Bucharest","ror":"https://ror.org/02x2v6p15","country_code":"RO","type":"education","lineage":["https://openalex.org/I141595442"]}],"countries":["RO"],"is_corresponding":false,"raw_author_name":"Christina Z\u0103laru","raw_affiliation_strings":["University of Bucharest"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Bucharest","institution_ids":["https://openalex.org/I141595442"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5090405249","display_name":"Claudia Corina Crisan","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I61641377","display_name":"Universitatea Na\u021bional\u0103 de \u0218tiin\u021b\u0103 \u0219i Tehnologie Politehnica Bucure\u0219ti","ror":"https://ror.org/0558j5q12","country_code":"RO","type":"education","lineage":["https://openalex.org/I61641377"]}],"countries":["RO"],"is_corresponding":false,"raw_author_name":"Claudia Cri\u015fan","raw_affiliation_strings":["University POLITEHNICA of Bucharest"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University POLITEHNICA of Bucharest","institution_ids":["https://openalex.org/I61641377"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5027243383","display_name":"Ioan C\u0103linescu","orcid":"https://orcid.org/0000-0003-4141-6697","observed_orcids":["https://orcid.org/0000-0003-4141-6697"]},"institutions":[{"id":"https://openalex.org/I61641377","display_name":"Universitatea Na\u021bional\u0103 de \u0218tiin\u021b\u0103 \u0219i Tehnologie Politehnica Bucure\u0219ti","ror":"https://ror.org/0558j5q12","country_code":"RO","type":"education","lineage":["https://openalex.org/I61641377"]}],"countries":["RO"],"is_corresponding":false,"raw_author_name":"Ioan C\u0103linescu","raw_affiliation_strings":["University POLITEHNICA of Bucharest"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University POLITEHNICA of Bucharest","institution_ids":["https://openalex.org/I61641377"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5051630407","display_name":"Zenovia Moldovan","orcid":"https://orcid.org/0000-0002-0320-9921","observed_orcids":["https://orcid.org/0000-0002-0320-9921"]},"institutions":[{"id":"https://openalex.org/I141595442","display_name":"University of Bucharest","ror":"https://ror.org/02x2v6p15","country_code":"RO","type":"education","lineage":["https://openalex.org/I141595442"]}],"countries":["RO"],"is_corresponding":false,"raw_author_name":"Zenovia Moldovan","raw_affiliation_strings":["University of Bucharest"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Bucharest","institution_ids":["https://openalex.org/I141595442"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5043926977","display_name":"Isabela \u0162\u00e2rcomnicu","orcid":"https://orcid.org/0000-0002-7439-2807","observed_orcids":["https://orcid.org/0000-0002-7439-2807"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Isabela \u0162\u00e2rcomnicu","raw_affiliation_strings":["Cytogenomic Medical Laboratory"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Cytogenomic Medical Laboratory","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5086417268","display_name":"Simona Carmen Li\u021bescu","orcid":"https://orcid.org/0000-0003-2346-8274","observed_orcids":["https://orcid.org/0000-0003-2346-8274"]},"institutions":[{"id":"https://openalex.org/I4210115638","display_name":"National Institute of Research and Development for Biological Sciences","ror":"https://ror.org/028wkbm97","country_code":"RO","type":"facility","lineage":["https://openalex.org/I4210115638"]}],"countries":["RO"],"is_corresponding":false,"raw_author_name":"Simona Litescu","raw_affiliation_strings":["National Institute of Research and Development for Biological Sciences"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Institute of Research and Development for Biological Sciences","institution_ids":["https://openalex.org/I4210115638"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5073705464","display_name":"Rodica Tatia","orcid":"https://orcid.org/0000-0002-8145-4105","observed_orcids":["https://orcid.org/0000-0002-8145-4105"]},"institutions":[{"id":"https://openalex.org/I4210115638","display_name":"National Institute of Research and Development for Biological Sciences","ror":"https://ror.org/028wkbm97","country_code":"RO","type":"facility","lineage":["https://openalex.org/I4210115638"]}],"countries":["RO"],"is_corresponding":false,"raw_author_name":"Rodica Tatia","raw_affiliation_strings":["National Institute of Research and Development for Biological Sciences"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Institute of Research and Development for Biological Sciences","institution_ids":["https://openalex.org/I4210115638"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5078996749","display_name":"Lucia Moldovan","orcid":"https://orcid.org/0000-0003-0724-5126","observed_orcids":["https://orcid.org/0000-0003-0724-5126"]},"institutions":[{"id":"https://openalex.org/I4210115638","display_name":"National Institute of Research and Development for Biological Sciences","ror":"https://ror.org/028wkbm97","country_code":"RO","type":"facility","lineage":["https://openalex.org/I4210115638"]}],"countries":["RO"],"is_corresponding":false,"raw_author_name":"Lucia Moldovan","raw_affiliation_strings":["National Institute of Research and Development for Biological Sciences"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Institute of Research and Development for Biological Sciences","institution_ids":["https://openalex.org/I4210115638"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5072507680","display_name":"Daniel Boda","orcid":"https://orcid.org/0000-0003-3282-3426","observed_orcids":["https://orcid.org/0000-0003-3282-3426"]},"institutions":[{"id":"https://openalex.org/I162051807","display_name":"Carol Davila University of Medicine and Pharmacy","ror":"https://ror.org/04fm87419","country_code":"RO","type":"education","lineage":["https://openalex.org/I162051807"]}],"countries":["RO"],"is_corresponding":false,"raw_author_name":"Daniel Boda","raw_affiliation_strings":["University of Medicine and Pharmaceutics \u201cCarol Davila\u201d"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Medicine and Pharmaceutics \u201cCarol Davila\u201d","institution_ids":["https://openalex.org/I162051807"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5015947682","display_name":"Mircea Iovu","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I162051807","display_name":"Carol Davila University of Medicine and Pharmacy","ror":"https://ror.org/04fm87419","country_code":"RO","type":"education","lineage":["https://openalex.org/I162051807"]}],"countries":["RO"],"is_corresponding":false,"raw_author_name":"Mircea Iovu","raw_affiliation_strings":["University of Medicine and Pharmaceutics \u201cCarol Davila\u201d"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Medicine and Pharmaceutics \u201cCarol Davila\u201d","institution_ids":["https://openalex.org/I162051807"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":1600,"currency":"EUR","value_usd":1808},"apc_paid":{"value":1600,"currency":"EUR","value_usd":1808},"fwci":2.9676,"has_fulltext":true,"cited_by_count":35,"citation_normalized_percentile":{"value":0.89168848,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":98},"biblio":{"volume":"12","issue":"8","first_page":"858","last_page":"867"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10035","display_name":"Phytochemicals and Antioxidant Activities","score":0.9951000213623047,"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":0.9951000213623047,"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/T11613","display_name":"Phytochemistry and Biological Activities","score":0.002199999988079071,"subfield":{"id":"https://openalex.org/subfields/1110","display_name":"Plant 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/T12181","display_name":"Agricultural and Biological Research","score":0.0012000000569969416,"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/coreopsis-tinctoria","display_name":"Coreopsis tinctoria","score":1.0},{"id":"https://openalex.org/keywords/polyphenols","display_name":"polyphenols","score":0.7639999985694885},{"id":"https://openalex.org/keywords/fruits","display_name":"fruits","score":0.6819999814033508},{"id":"https://openalex.org/keywords/ultrasound-assisted-extraction","display_name":"ultrasound-assisted extraction","score":0.8550000190734863},{"id":"https://openalex.org/keywords/flavonoids","display_name":"flavonoids","score":0.8360000252723694},{"id":"https://openalex.org/keywords/phenolic-acids","display_name":"phenolic acids","score":0.8970000147819519},{"id":"https://openalex.org/keywords/chlorogenic-acid","display_name":"chlorogenic acid","score":0.8069999814033508},{"id":"https://openalex.org/keywords/caffeic-acid","display_name":"caffeic acid","score":0.9919999837875366},{"id":"https://openalex.org/keywords/antioxidant-capacity","display_name":"antioxidant capacity","score":0.765999972820282},{"id":"https://openalex.org/keywords/total-phenolic-content","display_name":"total phenolic content","score":0.9829999804496765},{"id":"https://openalex.org/keywords/extraction-optimization","display_name":"extraction optimization","score":0.7149999737739563},{"id":"https://openalex.org/keywords/ethanol-extract","display_name":"ethanol extract","score":0.6589999794960022},{"id":"https://openalex.org/keywords/luteolin","display_name":"luteolin","score":0.6380000114440918},{"id":"https://openalex.org/keywords/apigenin","display_name":"apigenin","score":0.824999988079071}],"concepts":[{"id":"https://openalex.org/C2778362808","wikidata":"https://www.wikidata.org/wiki/Q375837","display_name":"Gallic acid","level":3,"score":0.848146915435791},{"id":"https://openalex.org/C70899900","wikidata":"https://www.wikidata.org/wiki/Q290439","display_name":"Polyphenol","level":3,"score":0.8267474174499512},{"id":"https://openalex.org/C2780117898","wikidata":"https://www.wikidata.org/wiki/Q421964","display_name":"Chlorogenic acid","level":2,"score":0.8173595666885376},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.796105682849884},{"id":"https://openalex.org/C2778224086","wikidata":"https://www.wikidata.org/wiki/Q414116","display_name":"Caffeic acid","level":3,"score":0.7807416915893555},{"id":"https://openalex.org/C4725764","wikidata":"https://www.wikidata.org/wiki/Q844704","display_name":"Extraction (chemistry)","level":2,"score":0.6228969097137451},{"id":"https://openalex.org/C2778004101","wikidata":"https://www.wikidata.org/wiki/Q133948","display_name":"Antioxidant","level":2,"score":0.5162618160247803},{"id":"https://openalex.org/C31903555","wikidata":"https://www.wikidata.org/wiki/Q1637030","display_name":"Food science","level":1,"score":0.48052963614463806},{"id":"https://openalex.org/C2776080593","wikidata":"https://www.wikidata.org/wiki/Q415011","display_name":"Luteolin","level":4,"score":0.44008103013038635},{"id":"https://openalex.org/C43617362","wikidata":"https://www.wikidata.org/wiki/Q170050","display_name":"Chromatography","level":1,"score":0.42911651730537415},{"id":"https://openalex.org/C2781401929","wikidata":"https://www.wikidata.org/wiki/Q5205953","display_name":"DPPH","level":3,"score":0.4222722053527832},{"id":"https://openalex.org/C59822182","wikidata":"https://www.wikidata.org/wiki/Q441","display_name":"Botany","level":1,"score":0.34860727190971375},{"id":"https://openalex.org/C2779054382","wikidata":"https://www.wikidata.org/wiki/Q72185287","display_name":"Flavonoid","level":3,"score":0.25074702501296997},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.1720132827758789},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.08530372381210327}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.2478/s11532-014-0539-x","doi":"https://doi.org/10.2478/s11532-014-0539-x","is_oa":true,"landing_page_url":"https://doi.org/10.2478/s11532-014-0539-x","pdf_url":"https://www.degruyter.com/document/doi/10.2478/s11532-014-0539-x/pdf","source":{"id":"https://openalex.org/S4210229753","display_name":"Open Chemistry","issn_l":"2391-5420","issn":["2391-5420"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-d","jufo-1","norway-1","oarl","poland-70","russia-white-list-2"],"host_organization":"https://openalex.org/P4310320322","host_organization_name":"De Gruyter Open","host_organization_lineage":["https://openalex.org/P4310320322","https://openalex.org/P4310313990"],"host_organization_lineage_names":["De Gruyter Open","De Gruyter"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Open Chemistry","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:d8db59e8d443421d97db62a47a3a730e","doi":null,"is_oa":false,"landing_page_url":"https://doaj.org/article/d8db59e8d443421d97db62a47a3a730e","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Open Chemistry, Vol 12, Iss 8, Pp 858-867 (2014)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.2478/s11532-014-0539-x","doi":"https://doi.org/10.2478/s11532-014-0539-x","is_oa":true,"landing_page_url":"https://doi.org/10.2478/s11532-014-0539-x","pdf_url":"https://www.degruyter.com/document/doi/10.2478/s11532-014-0539-x/pdf","source":{"id":"https://openalex.org/S4210229753","display_name":"Open Chemistry","issn_l":"2391-5420","issn":["2391-5420"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-d","jufo-1","norway-1","oarl","poland-70","russia-white-list-2"],"host_organization":"https://openalex.org/P4310320322","host_organization_name":"De Gruyter Open","host_organization_lineage":["https://openalex.org/P4310320322","https://openalex.org/P4310313990"],"host_organization_lineage_names":["De Gruyter Open","De Gruyter"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Open Chemistry","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W1968529754.pdf","grobid_xml":"https://content.openalex.org/works/W1968529754.grobid-xml"},"referenced_works_count":23,"referenced_works":["https://openalex.org/W560228687","https://openalex.org/W1878701644","https://openalex.org/W1984172052","https://openalex.org/W1987730117","https://openalex.org/W1997924931","https://openalex.org/W2012991711","https://openalex.org/W2022694430","https://openalex.org/W2034072238","https://openalex.org/W2035931266","https://openalex.org/W2043897885","https://openalex.org/W2077947004","https://openalex.org/W2080112019","https://openalex.org/W2094075851","https://openalex.org/W2164867369","https://openalex.org/W2314924220","https://openalex.org/W2315364415","https://openalex.org/W2320395895","https://openalex.org/W2326877470","https://openalex.org/W2945792041","https://openalex.org/W2970765470","https://openalex.org/W4240243276","https://openalex.org/W4285719527","https://openalex.org/W6757440664"],"related_works":["https://openalex.org/W2070660102","https://openalex.org/W2384668523","https://openalex.org/W242476790","https://openalex.org/W4400935759","https://openalex.org/W3216805357","https://openalex.org/W2795265231","https://openalex.org/W1981798465","https://openalex.org/W2939125765","https://openalex.org/W6902271943","https://openalex.org/W2944255010"],"abstract_inverted_index":{"Abstract":[0],"The":[1,67,112],"aim":[2],"of":[3,12,22,30,50,102,118,139],"this":[4,97],"research":[5],"was":[6,54,165],"to":[7,18,45,56,124],"investigate":[8],"the":[9,20,27,47,58,116,119,125,137],"chemical":[10],"composition":[11],"Coreopsis":[13,62],"tinctoria":[14,63],"Nutt.":[15,64],"fruits":[16],"extract,":[17],"highlight":[19],"potential":[21,49],"ultrasound":[23],"assisted":[24],"extraction":[25,92,144,148],"in":[26,33],"fast":[28],"preparation":[29],"extracts":[31,104],"rich":[32],"polyphenols":[34],"using":[35],"different":[36,70],"solvents":[37],"(55%,":[38],"78%":[39],"and":[40,44,80,108,135,162],"96%":[41],"hydrous":[42],"ethanol)":[43],"evaluate":[46],"antioxidant":[48,110,163],"formulated":[51],"extracts.":[52],"LC-MS/MS":[53],"used":[55],"characterize":[57],"ethanolic":[59],"extract":[60,68],"from":[61],"dried":[65],"fruits.":[66],"contains":[69],"flavonoids":[71],"(marein,":[72],"flavanomarein,":[73],"quercetagetin-7-O-glucoside,":[74],"okanin":[75],"aurone,":[76],"leptosidin,":[77],"luteolin,":[78],"apigenin)":[79],"phenolic":[81,106,140,160],"acids":[82],"(chlorogenic":[83],"acid,":[84],"caffeic":[85],"acid).":[86],"Several":[87],"parameters":[88,122],"that":[89],"could":[90],"affect":[91],"efficiency":[93],"were":[94],"evaluated.":[95],"Finally,":[96],"study":[98],"focused":[99],"on":[100],"determination":[101],"plant":[103],"total":[105,127,159],"content":[107,161],"their":[109],"capacity.":[111],"experimental":[113],"results":[114],"allowed":[115],"selection":[117],"optimum":[120],"operating":[121],"leading":[123],"highest":[126],"polyphenolic":[128],"content,":[129],"expressed":[130],"as":[131],"gallic":[132],"acid":[133],"equivalents,":[134],"avoiding":[136],"degradation":[138],"compounds":[141],"(ethanol":[142],"55%;":[143],"temperature":[145],"323.15":[146],"K,":[147],"time":[149],"30":[150],"min,":[151],"liquid/solid":[152],"ratio":[153],"20/1).":[154],"A":[155],"good":[156],"relationship":[157],"between":[158],"capacity":[164],"obtained.":[166]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":4},{"year":2019,"cited_by_count":4},{"year":2018,"cited_by_count":3},{"year":2017,"cited_by_count":3},{"year":2016,"cited_by_count":4},{"year":2015,"cited_by_count":6},{"year":2014,"cited_by_count":1}],"updated_date":"2026-11-10T11:39:43.021295","created_date":"2016-06-24T00:00:00"}