{"id":"https://openalex.org/W2140454281","doi":null,"title":"Antioxidant activity, phenolic and flavonoid contents in the leaves of different varieties of sweet potato (Ipomoea batatas).","display_name":"Antioxidant activity, phenolic and flavonoid contents in the leaves of different varieties of sweet potato (Ipomoea batatas).","publication_year":2012,"publication_date":"2012-05-01","ids":{"openalex":"https://openalex.org/W2140454281","mag":"2140454281"},"language":"en","primary_location":{"id":"mag:2140454281","doi":null,"is_oa":false,"landing_page_url":"https://www.researchgate.net/profile/Amru_Nasrulhaq_Boyce/publication/236455059_Antioxidant_activity_phenolic_and_flavonoid_contents_in_the_leaves_of_different_varieties_of_sweet_potato_%28Ipomoea_batatas%29/links/00463517f15a14594c000000.pdf","pdf_url":null,"source":{"id":"https://openalex.org/S93814841","display_name":"Australian Journal of Crop Science","issn_l":"1835-2693","issn":["1835-2693","1835-2707"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","jufo-1","norway-1","poland-40","russia-white-list-2"],"host_organization":"https://openalex.org/P4324096556","host_organization_name":"Southern Cross Publishing","host_organization_lineage":["https://openalex.org/P4324096556"],"host_organization_lineage_names":["Southern Cross Publishing"],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"Australian Journal of Crop Science","raw_type":null},"volume":null,"type":"article","is_traditional":true,"indexed_in":[],"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/A5028590165","display_name":"Seow-Mun Hue","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Seow-Mun Hue","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5080395518","display_name":"Amru Nasrulhaq Boyce","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Amru Nasrulhaq Boyce","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5030686068","display_name":"Chandran Somasundram","orcid":"https://orcid.org/0000-0002-5256-0048","observed_orcids":["https://orcid.org/0000-0002-5256-0048"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Chandran Somasundram","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0002-5256-0048","affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":3.4275,"has_fulltext":false,"cited_by_count":84,"citation_normalized_percentile":{"value":0.91900855,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":99},"biblio":{"volume":"6","issue":"3","first_page":"375","last_page":"380"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10035","display_name":"Phytochemicals and Antioxidant Activities","score":0.9980000257492065,"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":0.9980000257492065,"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/T14127","display_name":"Food Nutrient Composition and Product Development","score":0.000699999975040555,"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/T14521","display_name":"Medicinal Plant Research","score":0.0005000000237487257,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/sweet-potato","display_name":"Ipomoea batatas","score":1.0},{"id":"https://openalex.org/keywords/antioxidant-activity","display_name":"antioxidant activity","score":0.9829999804496765},{"id":"https://openalex.org/keywords/total-phenolic-content","display_name":"total phenolic content","score":0.9350000023841858},{"id":"https://openalex.org/keywords/flavonoid-content","display_name":"flavonoid content","score":0.8930000066757202},{"id":"https://openalex.org/keywords/reducing-power","display_name":"reducing power","score":0.9459999799728394},{"id":"https://openalex.org/keywords/dpph-radical-scavenging-activity","display_name":"DPPH radical scavenging","score":0.953000009059906},{"id":"https://openalex.org/keywords/natural-antioxidants","display_name":"natural antioxidants","score":0.9070000052452087}],"concepts":[{"id":"https://openalex.org/C2778728632","wikidata":"https://www.wikidata.org/wiki/Q161173","display_name":"Ipomoea","level":2,"score":0.8742837905883789},{"id":"https://openalex.org/C2781401929","wikidata":"https://www.wikidata.org/wiki/Q5205953","display_name":"DPPH","level":3,"score":0.8220123052597046},{"id":"https://openalex.org/C2779054382","wikidata":"https://www.wikidata.org/wiki/Q72185287","display_name":"Flavonoid","level":3,"score":0.818767786026001},{"id":"https://openalex.org/C2986274086","wikidata":"https://www.wikidata.org/wiki/Q199678","display_name":"Ascorbic acid","level":2,"score":0.7451497912406921},{"id":"https://openalex.org/C2778004101","wikidata":"https://www.wikidata.org/wiki/Q133948","display_name":"Antioxidant","level":2,"score":0.6455313563346863},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.5705416202545166},{"id":"https://openalex.org/C197321923","wikidata":"https://www.wikidata.org/wiki/Q4886","display_name":"Cultivar","level":2,"score":0.5175570845603943},{"id":"https://openalex.org/C3017828787","wikidata":"https://www.wikidata.org/wiki/Q20134","display_name":"Leafy vegetables","level":2,"score":0.4984116554260254},{"id":"https://openalex.org/C31903555","wikidata":"https://www.wikidata.org/wiki/Q1637030","display_name":"Food science","level":1,"score":0.4941602051258087},{"id":"https://openalex.org/C2777728882","wikidata":"https://www.wikidata.org/wiki/Q407142","display_name":"Phenols","level":2,"score":0.4372546076774597},{"id":"https://openalex.org/C59822182","wikidata":"https://www.wikidata.org/wiki/Q441","display_name":"Botany","level":1,"score":0.4358947277069092},{"id":"https://openalex.org/C144027150","wikidata":"https://www.wikidata.org/wiki/Q48803","display_name":"Horticulture","level":1,"score":0.3966904282569885},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.2615235149860382},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.09424838423728943}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:2140454281","doi":null,"is_oa":false,"landing_page_url":"https://www.researchgate.net/profile/Amru_Nasrulhaq_Boyce/publication/236455059_Antioxidant_activity_phenolic_and_flavonoid_contents_in_the_leaves_of_different_varieties_of_sweet_potato_%28Ipomoea_batatas%29/links/00463517f15a14594c000000.pdf","pdf_url":null,"source":{"id":"https://openalex.org/S93814841","display_name":"Australian Journal of Crop Science","issn_l":"1835-2693","issn":["1835-2693","1835-2707"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","jufo-1","norway-1","poland-40","russia-white-list-2"],"host_organization":"https://openalex.org/P4324096556","host_organization_name":"Southern Cross Publishing","host_organization_lineage":["https://openalex.org/P4324096556"],"host_organization_lineage_names":["Southern Cross Publishing"],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"Australian Journal of Crop Science","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.875,"display_name":"Zero hunger","id":"https://metadata.un.org/sdg/2"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":35,"referenced_works":["https://openalex.org/W1457809072","https://openalex.org/W1606232665","https://openalex.org/W1826417692","https://openalex.org/W1967940610","https://openalex.org/W1969564032","https://openalex.org/W1976971142","https://openalex.org/W2003089097","https://openalex.org/W2003326711","https://openalex.org/W2009917368","https://openalex.org/W2010211982","https://openalex.org/W2012874198","https://openalex.org/W2013307530","https://openalex.org/W2020895372","https://openalex.org/W2021995332","https://openalex.org/W2025084935","https://openalex.org/W2028528871","https://openalex.org/W2045898150","https://openalex.org/W2055622101","https://openalex.org/W2057889917","https://openalex.org/W2063205643","https://openalex.org/W2077787784","https://openalex.org/W2079431502","https://openalex.org/W2091495617","https://openalex.org/W2098689751","https://openalex.org/W2105178294","https://openalex.org/W2110830365","https://openalex.org/W2112371042","https://openalex.org/W2115314798","https://openalex.org/W2129365218","https://openalex.org/W2140320797","https://openalex.org/W2157079028","https://openalex.org/W2265350555","https://openalex.org/W2605789493","https://openalex.org/W2980372257","https://openalex.org/W4253134632"],"related_works":["https://openalex.org/W2326128855","https://openalex.org/W2768382312","https://openalex.org/W2781522621","https://openalex.org/W1970351277","https://openalex.org/W2293060101","https://openalex.org/W2894658481","https://openalex.org/W4280489485","https://openalex.org/W4283769334","https://openalex.org/W6960091316","https://openalex.org/W4410573269"],"abstract_inverted_index":{"The":[0,65],"study":[1],"of":[2,53,118,172],"antioxidants":[3],"from":[4,72],"natural":[5,173],"sources":[6],"has":[7],"gained":[8],"popularity":[9],"in":[10,68,78,86,101,103,154],"the":[11,34,46,50,69,97,105,112,135,142,148],"recent":[12],"years.":[13],"Six":[14],"Ipomoea":[15,162],"batatas":[16,163],"leafy":[17],"varieties":[18,150],"namely":[19],"Batu":[20,22,87],"Kelantan,":[21],"Biasa,":[23],"Biru":[24,108,132],"Putih,":[25,133],"Oren,":[26],"Vitato":[27],"and":[28,40,107,114,123],"Indon":[29,47,79,106],"were":[30],"compared":[31,140],"to":[32,81,95,141],"assess":[33],"total":[35,54],"phenols,":[36],"flavonoids,":[37],"reducing":[38,156],"power":[39,157],"antioxidant":[41],"activity.":[42],"In":[43],"this":[44],"study,":[45],"variety":[48,80,110],"showed":[49,134,152],"highest":[51,113],"level":[52],"phenolic":[55],"contents":[56,67],"at":[57],"5.35":[58],"\u00b1":[59,74,83],"0":[60],"g":[61,63,77],"GAE/100":[62],"DW.":[64],"flavonoid":[66],"leaves":[70,164],"ranged":[71],"96":[73],"47.6":[75],"\u00b5g/":[76,120,125],"263.5":[82],"43.5":[84],"\u00b5g/g":[85],"Biasa":[88],"variety.":[89],"1,1-diphenyl-2-picryl":[90],"hydrazyl":[91],"(DPPH)":[92],"was":[93],"used":[94,167],"determine":[96],"radical":[98,137],"scavenging":[99,116,138],"activity":[100,139],"leaves,":[102],"which":[104],"Putih":[109],"had":[111],"lowest":[115],"activities":[117],"372.4":[119],"ml":[121,126],"(IC50)":[122],"597.61":[124],"(IC50),":[127],"respectively.":[128],"All":[129],"varieties,":[130],"except":[131],"high":[136],"ascorbic":[143],"acid":[144],"standard.":[145],"Besides,":[146],"all":[147],"leaf":[149],"also":[151],"increment":[153],"their":[155],"with":[158],"increasing":[159],"concentrations.":[160],"Thus,":[161],"can":[165],"be":[166],"as":[168],"a":[169],"potential":[170],"source":[171],"antioxidants.":[174]},"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":5},{"year":2023,"cited_by_count":6},{"year":2022,"cited_by_count":6},{"year":2021,"cited_by_count":11},{"year":2020,"cited_by_count":12},{"year":2019,"cited_by_count":6},{"year":2018,"cited_by_count":12},{"year":2017,"cited_by_count":5},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":4},{"year":2014,"cited_by_count":7},{"year":2013,"cited_by_count":5},{"year":2012,"cited_by_count":1}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}
