{"id":"https://openalex.org/W2928964607","doi":"https://doi.org/10.1177/1934578x1601100903","title":"Harpagoside Content in Devil's Claw Extracts","display_name":"Harpagoside Content in Devil's Claw Extracts","publication_year":2016,"publication_date":"2016-09-01","ids":{"openalex":"https://openalex.org/W2928964607","doi":"https://doi.org/10.1177/1934578x1601100903","mag":"2928964607","pmid":"https://pubmed.ncbi.nlm.nih.gov/30807002"},"language":"en","primary_location":{"id":"doi:10.1177/1934578x1601100903","doi":"https://doi.org/10.1177/1934578x1601100903","is_oa":false,"landing_page_url":"https://doi.org/10.1177/1934578x1601100903","pdf_url":null,"source":{"id":"https://openalex.org/S124250138","display_name":"Natural Product Communications","issn_l":"1555-9475","issn":["1555-9475","1934-578X"],"is_oa":false,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","dongbi-c","jufo-1","norway-1","oarl","poland-40","russia-white-list-2"],"host_organization":"https://openalex.org/P4310320017","host_organization_name":"SAGE Publishing","host_organization_lineage":["https://openalex.org/P4310320017"],"host_organization_lineage_names":["SAGE Publishing"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Natural Product Communications","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doaj.org/article/a70f1111aa6348869213cdd10e64dbfe","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5006243222","display_name":"Narasimharao Kondamudi","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I120156002","display_name":"Boise State University","ror":"https://ror.org/02e3zdp86","country_code":"US","type":"education","lineage":["https://openalex.org/I120156002"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Narasimharao Kondamudi","raw_affiliation_strings":["Department of Chemistry & Biochemistry, Boise State University, 1910 University Drive, Boise, ID 83725, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Chemistry & Biochemistry, Boise State University, 1910 University Drive, Boise, ID 83725, USA","institution_ids":["https://openalex.org/I120156002"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Matthew W. Turner","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I120156002","display_name":"Boise State University","ror":"https://ror.org/02e3zdp86","country_code":"US","type":"education","lineage":["https://openalex.org/I120156002"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Matthew W. Turner","raw_affiliation_strings":["Department of Chemistry & Biochemistry, Boise State University, 1910 University Drive, Boise, ID 83725, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Chemistry & Biochemistry, Boise State University, 1910 University Drive, Boise, ID 83725, USA","institution_ids":["https://openalex.org/I120156002"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5050447663","display_name":"Owen M. McDougal","orcid":"https://orcid.org/0000-0002-1502-3462","observed_orcids":["https://orcid.org/0000-0002-1502-3462"]},"institutions":[{"id":"https://openalex.org/I120156002","display_name":"Boise State University","ror":"https://ror.org/02e3zdp86","country_code":"US","type":"education","lineage":["https://openalex.org/I120156002"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Owen M. McDougal","raw_affiliation_strings":["Department of Chemistry & Biochemistry, Boise State University, 1910 University Drive, Boise, ID 83725, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Chemistry & Biochemistry, Boise State University, 1910 University Drive, Boise, ID 83725, USA","institution_ids":["https://openalex.org/I120156002"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5050447663"],"corresponding_institution_ids":["https://openalex.org/I120156002"],"apc_list":{"value":2650,"currency":"USD","value_usd":2650},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":95},"biblio":{"volume":"11","issue":"9","first_page":"1215","last_page":"1216"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T13335","display_name":"Pharmacological Effects of Medicinal Plants","score":0.3075999915599823,"subfield":{"id":"https://openalex.org/subfields/2736","display_name":"Pharmacology (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/T13335","display_name":"Pharmacological Effects of Medicinal Plants","score":0.3075999915599823,"subfield":{"id":"https://openalex.org/subfields/2736","display_name":"Pharmacology (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":0.15109999477863312,"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/T14521","display_name":"Medicinal Plant Research","score":0.12809999287128448,"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/devil-s-claw","display_name":"devil's claw","score":0.9480000138282776},{"id":"https://openalex.org/keywords/harpagophytum-procumbens","display_name":"Harpagophytum procumbens","score":0.9750000238418579},{"id":"https://openalex.org/keywords/harpagoside","display_name":"harpagoside","score":0.9610000252723694},{"id":"https://openalex.org/keywords/iridoid-glycosides","display_name":"iridoid glycosides","score":0.9959999918937683},{"id":"https://openalex.org/keywords/nutraceutical-supplement","display_name":"nutraceutical supplement","score":0.8659999966621399},{"id":"https://openalex.org/keywords/root-extract","display_name":"root extract","score":0.7329999804496765},{"id":"https://openalex.org/keywords/species-identification","display_name":"species identification","score":0.5879999995231628},{"id":"https://openalex.org/keywords/arthritis","display_name":"arthritis","score":0.3659999966621399},{"id":"https://openalex.org/keywords/microwave-assisted-extraction","display_name":"microwave-assisted extraction","score":0.5989999771118164}],"concepts":[{"id":"https://openalex.org/C17857428","wikidata":"https://www.wikidata.org/wiki/Q533025","display_name":"Nutraceutical","level":2,"score":0.8742190003395081},{"id":"https://openalex.org/C556039675","wikidata":"https://www.wikidata.org/wiki/Q771035","display_name":"Traditional medicine","level":1,"score":0.6170881986618042},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.5542551279067993},{"id":"https://openalex.org/C2780589914","wikidata":"https://www.wikidata.org/wiki/Q10675206","display_name":"Ingredient","level":2,"score":0.5141875743865967},{"id":"https://openalex.org/C3018363719","wikidata":"https://www.wikidata.org/wiki/Q645858","display_name":"Dietary supplement","level":2,"score":0.4981081485748291},{"id":"https://openalex.org/C59822182","wikidata":"https://www.wikidata.org/wiki/Q441","display_name":"Botany","level":1,"score":0.4213648736476898},{"id":"https://openalex.org/C31903555","wikidata":"https://www.wikidata.org/wiki/Q1637030","display_name":"Food science","level":1,"score":0.22962412238121033},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.1313200294971466}],"mesh":[{"descriptor_ui":"D002851","descriptor_name":"Chromatography, High Pressure Liquid","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006027","descriptor_name":"Glycosides","qualifier_ui":"Q000302","qualifier_name":"isolation & purification","is_major_topic":true},{"descriptor_ui":"D010936","descriptor_name":"Plant Extracts","qualifier_ui":"Q000737","qualifier_name":"chemistry","is_major_topic":true},{"descriptor_ui":"D011714","descriptor_name":"Pyrans","qualifier_ui":"Q000302","qualifier_name":"isolation & purification","is_major_topic":true},{"descriptor_ui":"D013045","descriptor_name":"Species Specificity","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D018517","descriptor_name":"Plant Roots","qualifier_ui":"Q000737","qualifier_name":"chemistry","is_major_topic":false},{"descriptor_ui":"D019587","descriptor_name":"Dietary Supplements","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D031684","descriptor_name":"Harpagophytum","qualifier_ui":"Q000145","qualifier_name":"classification","is_major_topic":false},{"descriptor_ui":"D031684","descriptor_name":"Harpagophytum","qualifier_ui":"Q000737","qualifier_name":"chemistry","is_major_topic":true}],"locations_count":3,"locations":[{"id":"doi:10.1177/1934578x1601100903","doi":"https://doi.org/10.1177/1934578x1601100903","is_oa":false,"landing_page_url":"https://doi.org/10.1177/1934578x1601100903","pdf_url":null,"source":{"id":"https://openalex.org/S124250138","display_name":"Natural Product Communications","issn_l":"1555-9475","issn":["1555-9475","1934-578X"],"is_oa":false,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","dongbi-c","jufo-1","norway-1","oarl","poland-40","russia-white-list-2"],"host_organization":"https://openalex.org/P4310320017","host_organization_name":"SAGE Publishing","host_organization_lineage":["https://openalex.org/P4310320017"],"host_organization_lineage_names":["SAGE Publishing"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Natural Product Communications","raw_type":"journal-article"},{"id":"pmid:30807002","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/30807002","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Natural product communications","raw_type":"Journal Article"},{"id":"pmh:oai:doaj.org/article:a70f1111aa6348869213cdd10e64dbfe","doi":null,"is_oa":true,"landing_page_url":"https://doaj.org/article/a70f1111aa6348869213cdd10e64dbfe","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":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Natural Product Communications, Vol 11 (2016)","raw_type":"article"}],"best_oa_location":{"id":"pmh:oai:doaj.org/article:a70f1111aa6348869213cdd10e64dbfe","doi":null,"is_oa":true,"landing_page_url":"https://doaj.org/article/a70f1111aa6348869213cdd10e64dbfe","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":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Natural Product Communications, Vol 11 (2016)","raw_type":"article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":7,"referenced_works":["https://openalex.org/W1971790908","https://openalex.org/W1973308497","https://openalex.org/W2032125743","https://openalex.org/W2035764538","https://openalex.org/W2050959281","https://openalex.org/W2052885323","https://openalex.org/W2335036998"],"related_works":["https://openalex.org/W1973308497","https://openalex.org/W4200433584","https://openalex.org/W2954048706","https://openalex.org/W1530634917","https://openalex.org/W180282835","https://openalex.org/W2049709736","https://openalex.org/W2625261067","https://openalex.org/W4281665393","https://openalex.org/W2313883442","https://openalex.org/W3183776329"],"abstract_inverted_index":{"Devil's":[0],"claw":[1,42,215],"is":[2,61,71],"a":[3],"common":[4],"ingredient":[5],"in":[6,72,137],"nutraceutical":[7,35,200],"products":[8,39],"for":[9,176],"the":[10,34,53,97,109,114,203,207],"treatment":[11],"of":[12,21,33,81,100,150,156,165,168,184,206],"inflammation":[13],"due":[14],"to":[15,49,63,74,87,95,111,180,197],"arthritis.":[16],"The":[17,91,170],"secondary":[18],"root":[19,151,174],"extract":[20],"Harpagophymn":[22],"piocumbens":[23],"contains":[24],"bioactive":[25,115],"iridoid":[26],"glycosides":[27],"known":[28],"as":[29,66,88],"harpagosides.":[30],"Recent":[31],"scrutiny":[32],"industry":[36],"claims":[37],"that":[38,78],"listing":[40],"devil's":[41,67,89,214],"on":[43],"their":[44,124,188],"labels":[45],"should":[46],"refer":[47],"only":[48],"H.":[50,59,103,106,132,157,160],"procumbens,":[51],"while":[52],"closely":[54],"related,":[55],"and":[56,105,122,159,202,211],"less":[57],"expensive,":[58],"zeyheri":[60,161],"not":[62],"be":[64,84],"classified":[65],"claw.":[68,90],".This":[69],"assertion":[70],"contrast":[73],"botanists":[75],"who":[76],"claim":[77],"either":[79],"species":[80],"Harpagophytum":[82],"can":[83],"generically":[85],"referred":[86],"current":[92],"research":[93],"aimed":[94],"determine":[96],"chemical":[98,171],"composition":[99,172],"extracts":[101,134,175],"from":[102,129,153],"procumbens":[104,133],"zeyheri,":[107],"with":[108],"intent":[110],"identify":[112],"whether":[113],"harpagosides":[116],"were":[117],"similarly":[118],"present":[119],"between":[120,173,209],"species,":[121],"how":[123],"presence":[125],"resembled":[126],"or":[127],"deviated":[128],"commercially":[130],"available":[131],"commonly":[135],"used":[136],"-nutraceutical":[138],"products.":[139],"A":[140],"microwave":[141],"extraction":[142],"followed":[143],"by":[144],"high":[145],"performance":[146],"liquid":[147],"chromatography":[148],"analysis":[149],"samples":[152],"botanical":[154],"specimens":[155],"procimbens":[158],"identified":[162],"similar":[163],"quantities":[164,183],"harpagoside,":[166],"regardless":[167],"species.":[169],"each.species":[177],"was":[178,191],"found":[179],"contain":[181],"varying":[182],"non-harpagoside":[185],"constituents,":[186],"however":[187],"harpagoside":[189],"content":[190],"comparable.":[192],"These":[193],"findings":[194],"are":[195],"intended":[196],"inform":[198],"policymakers,":[199],"manufacturers,":[201],"general":[204],"public":[205],"distinction":[208],"myth":[210],"reality":[212],"regarding":[213],"supplements.":[216]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":1}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2019-04-11T00:00:00"}
