{"id":"https://openalex.org/W4205677753","doi":"https://doi.org/10.24198/ijpst.v8i2.27145","title":"Tyrosinase Inhibition from Green Tea (Camellia sinensis (L.) Kuntze) gel","display_name":"Tyrosinase Inhibition from Green Tea (Camellia sinensis (L.) Kuntze) gel","publication_year":2021,"publication_date":"2021-06-30","ids":{"openalex":"https://openalex.org/W4205677753","doi":"https://doi.org/10.24198/ijpst.v8i2.27145"},"language":"en","primary_location":{"id":"doi:10.24198/ijpst.v8i2.27145","doi":"https://doi.org/10.24198/ijpst.v8i2.27145","is_oa":true,"landing_page_url":"https://doi.org/10.24198/ijpst.v8i2.27145","pdf_url":"https://jurnal.unpad.ac.id/ijpst/article/download/27145/15577","source":{"id":"https://openalex.org/S4210192041","display_name":"Indonesian Journal of Pharmaceutical Science and Technology","issn_l":"2356-1971","issn":["2356-1971","2406-856X"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4310315076","host_organization_name":"Padjadjaran University","host_organization_lineage":["https://openalex.org/P4310315076"],"host_organization_lineage_names":["Padjadjaran University"],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Indonesian Journal of Pharmaceutical Science and Technology","raw_type":"journal-article"},"parent_works":[],"lineage":["https://openalex.org/W4205677753"],"child_works_count":0,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://jurnal.unpad.ac.id/ijpst/article/download/27145/15577","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5049512133","display_name":"Hanifah Rahmi","orcid":"https://orcid.org/0000-0002-8008-9046","observed_orcids":["https://orcid.org/0000-0002-8008-9046"]},"institutions":[{"id":"https://openalex.org/I4210113907","display_name":"Universitas Muhammadiyah Prof Dr Hamka","ror":"https://ror.org/01wqn3353","country_code":"ID","type":"education","lineage":["https://openalex.org/I4210113907"]}],"countries":["ID"],"is_corresponding":false,"raw_author_name":"Hanifah Rahmi","raw_affiliation_strings":["Universitas Muhammadiyah Prof.DR.HAMKA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Universitas Muhammadiyah Prof.DR.HAMKA","institution_ids":["https://openalex.org/I4210113907"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5112686237","display_name":"Supandi Supandi","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210113907","display_name":"Universitas Muhammadiyah Prof Dr Hamka","ror":"https://ror.org/01wqn3353","country_code":"ID","type":"education","lineage":["https://openalex.org/I4210113907"]}],"countries":["ID"],"is_corresponding":false,"raw_author_name":"Supandi Supandi","raw_affiliation_strings":["Universitas Muhammadiyah Prof. DR. HAMKA Jakarta"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Universitas Muhammadiyah Prof. DR. HAMKA Jakarta","institution_ids":["https://openalex.org/I4210113907"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113121420","display_name":"Naniek Setiadi Radjab","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210113907","display_name":"Universitas Muhammadiyah Prof Dr Hamka","ror":"https://ror.org/01wqn3353","country_code":"ID","type":"education","lineage":["https://openalex.org/I4210113907"]}],"countries":["ID"],"is_corresponding":false,"raw_author_name":"Naniek Setiadi Radjab","raw_affiliation_strings":["Department of Pharmacy, Faculty of Pharmacy and Sciences, Universitas Muhammadiyah Prof. DR. HAMKA, Jakarta, Indonesia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Pharmacy, Faculty of Pharmacy and Sciences, Universitas Muhammadiyah Prof. DR. HAMKA, Jakarta, Indonesia","institution_ids":["https://openalex.org/I4210113907"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5031871607","display_name":"Tiara Julianti","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210113907","display_name":"Universitas Muhammadiyah Prof Dr Hamka","ror":"https://ror.org/01wqn3353","country_code":"ID","type":"education","lineage":["https://openalex.org/I4210113907"]}],"countries":["ID"],"is_corresponding":false,"raw_author_name":"Tiara Julianti","raw_affiliation_strings":["Department of Pharmacy, Faculty of Pharmacy and Sciences, Universitas Muhammadiyah Prof. DR. HAMKA, Jakarta, Indonesia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Pharmacy, Faculty of Pharmacy and Sciences, Universitas Muhammadiyah Prof. DR. HAMKA, Jakarta, Indonesia","institution_ids":["https://openalex.org/I4210113907"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I4210113907"],"apc_list":null,"apc_paid":null,"fwci":0.3558,"has_fulltext":true,"cited_by_count":6,"citation_normalized_percentile":{"value":0.41461055,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":93,"max":96},"biblio":{"volume":"8","issue":"2","first_page":"59","last_page":"59"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11144","display_name":"melanin and skin pigmentation","score":0.9164999723434448,"subfield":{"id":"https://openalex.org/subfields/1307","display_name":"Cell Biology"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},"topics":[{"id":"https://openalex.org/T11144","display_name":"melanin and skin pigmentation","score":0.9164999723434448,"subfield":{"id":"https://openalex.org/subfields/1307","display_name":"Cell Biology"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T11411","display_name":"Tea Polyphenols and Effects","score":0.05559999868273735,"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/T11013","display_name":"Skin Protection and Aging","score":0.014399999752640724,"subfield":{"id":"https://openalex.org/subfields/2708","display_name":"Dermatology"},"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/tyrosinase-inhibition","display_name":"tyrosinase inhibition","score":0.9879999756813049},{"id":"https://openalex.org/keywords/green-tea","display_name":"green tea","score":0.7699999809265137},{"id":"https://openalex.org/keywords/camellia-sinensis","display_name":"Camellia sinensis","score":0.9919999837875366},{"id":"https://openalex.org/keywords/polyphenols","display_name":"polyphenols","score":0.7289999723434448},{"id":"https://openalex.org/keywords/melanin-synthesis","display_name":"melanogenesis","score":0.8500000238418579},{"id":"https://openalex.org/keywords/depigmentation","display_name":"depigmentation","score":0.8159999847412109},{"id":"https://openalex.org/keywords/gel-formulation","display_name":"gel formulation","score":0.777999997138977},{"id":"https://openalex.org/keywords/skin-lightening","display_name":"skin lightening","score":0.49300000071525574}],"concepts":[{"id":"https://openalex.org/C87554066","wikidata":"https://www.wikidata.org/wiki/Q85942926","display_name":"Tyrosinase","level":3,"score":0.9257895946502686},{"id":"https://openalex.org/C2992816389","wikidata":"https://www.wikidata.org/wiki/Q101815","display_name":"Camellia sinensis","level":2,"score":0.83420330286026},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.6835019588470459},{"id":"https://openalex.org/C43617362","wikidata":"https://www.wikidata.org/wiki/Q170050","display_name":"Chromatography","level":1,"score":0.5032801032066345},{"id":"https://openalex.org/C2777752497","wikidata":"https://www.wikidata.org/wiki/Q286779","display_name":"IC50","level":3,"score":0.4911191165447235},{"id":"https://openalex.org/C31903555","wikidata":"https://www.wikidata.org/wiki/Q1637030","display_name":"Food science","level":1,"score":0.4660338759422302},{"id":"https://openalex.org/C58808276","wikidata":"https://www.wikidata.org/wiki/Q3652158","display_name":"Catechol oxidase","level":5,"score":0.42472466826438904},{"id":"https://openalex.org/C70899900","wikidata":"https://www.wikidata.org/wiki/Q290439","display_name":"Polyphenol","level":3,"score":0.41165149211883545},{"id":"https://openalex.org/C556039675","wikidata":"https://www.wikidata.org/wiki/Q771035","display_name":"Traditional medicine","level":1,"score":0.38406670093536377},{"id":"https://openalex.org/C181199279","wikidata":"https://www.wikidata.org/wiki/Q8047","display_name":"Enzyme","level":2,"score":0.2998782992362976},{"id":"https://openalex.org/C59822182","wikidata":"https://www.wikidata.org/wiki/Q441","display_name":"Botany","level":1,"score":0.2580680847167969},{"id":"https://openalex.org/C2776338311","wikidata":"https://www.wikidata.org/wiki/Q904493","display_name":"Polyphenol oxidase","level":4,"score":0.22690623998641968},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.2120133638381958},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.14501622319221497},{"id":"https://openalex.org/C2778004101","wikidata":"https://www.wikidata.org/wiki/Q133948","display_name":"Antioxidant","level":2,"score":0.11883750557899475},{"id":"https://openalex.org/C202751555","wikidata":"https://www.wikidata.org/wiki/Q221681","display_name":"In vitro","level":2,"score":0.08842805027961731},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.06571075320243835},{"id":"https://openalex.org/C162008176","wikidata":"https://www.wikidata.org/wiki/Q419305","display_name":"Peroxidase","level":3,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.24198/ijpst.v8i2.27145","doi":"https://doi.org/10.24198/ijpst.v8i2.27145","is_oa":true,"landing_page_url":"https://doi.org/10.24198/ijpst.v8i2.27145","pdf_url":"https://jurnal.unpad.ac.id/ijpst/article/download/27145/15577","source":{"id":"https://openalex.org/S4210192041","display_name":"Indonesian Journal of Pharmaceutical Science and Technology","issn_l":"2356-1971","issn":["2356-1971","2406-856X"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4310315076","host_organization_name":"Padjadjaran University","host_organization_lineage":["https://openalex.org/P4310315076"],"host_organization_lineage_names":["Padjadjaran University"],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Indonesian Journal of Pharmaceutical Science and Technology","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.24198/ijpst.v8i2.27145","doi":"https://doi.org/10.24198/ijpst.v8i2.27145","is_oa":true,"landing_page_url":"https://doi.org/10.24198/ijpst.v8i2.27145","pdf_url":"https://jurnal.unpad.ac.id/ijpst/article/download/27145/15577","source":{"id":"https://openalex.org/S4210192041","display_name":"Indonesian Journal of Pharmaceutical Science and Technology","issn_l":"2356-1971","issn":["2356-1971","2406-856X"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4310315076","host_organization_name":"Padjadjaran University","host_organization_lineage":["https://openalex.org/P4310315076"],"host_organization_lineage_names":["Padjadjaran University"],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Indonesian Journal of Pharmaceutical Science and Technology","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/W4205677753.pdf","grobid_xml":"https://content.openalex.org/works/W4205677753.grobid-xml"},"referenced_works_count":12,"referenced_works":["https://openalex.org/W1532546741","https://openalex.org/W1581114148","https://openalex.org/W2064534971","https://openalex.org/W2074817486","https://openalex.org/W2115982180","https://openalex.org/W2154182508","https://openalex.org/W2466613579","https://openalex.org/W2594720372","https://openalex.org/W2606645117","https://openalex.org/W2789445535","https://openalex.org/W2905232986","https://openalex.org/W2925226318"],"related_works":["https://openalex.org/W7150849161","https://openalex.org/W4390502340","https://openalex.org/W2092111102","https://openalex.org/W7015959328","https://openalex.org/W2028948412","https://openalex.org/W2982378408","https://openalex.org/W6982807583","https://openalex.org/W4361205540","https://openalex.org/W2026644086","https://openalex.org/W2350534715"],"abstract_inverted_index":{"Green":[0,49],"tea":[1,50,81,167,183],"(Camellia":[2],"sinensis":[3],"(L.)":[4],"Kuntze)":[5],"leaf":[6,51,82,168,184],"has":[7,86,152],"polyphenol":[8],"substance":[9],"that":[10,24,85,138,165],"able":[11],"to":[12,71],"inhibit":[13],"tyrosinase":[14,89,130,176,188],"enzyme.":[15],"Tyrosinase":[16],"enzyme":[17,37],"is":[18],"one":[19],"of":[20,58,76,142,159,187],"the":[21,31,55,73,139,148],"essential":[22],"components":[23],"can":[25,38],"be":[26,39],"initiated":[27],"melanin":[28],"formation":[29],"on":[30,79,147],"skin":[32],"(melanogenesis).":[33],"The":[34,125,135],"natural":[35],"inhibitory":[36,88,186],"utilized":[40],"in":[41,54],"cosmetics":[42],"and":[43,102,119,156],"medicinal":[44],"industries":[45],"as":[46,64],"depigmentation":[47],"agent.":[48,67],"was":[52,99,108,128,145],"formulated":[53],"dosage":[56],"form":[57],"a":[59,65,133],"gel":[60,84,170],"with":[61,171],"carbomer":[62,77,95,143,173],"934":[63,78,96,144,174],"gelling":[66],"This":[68,91,162],"study":[69],"aimed":[70],"determine":[72],"optimum":[74,126],"concentration":[75,141],"green":[80,166,182],"extract":[83,169],"an":[87],"activity.":[90,177],"research":[92,163],"used":[93,132],"three":[94],"concentration,":[97],"there":[98],"0.5%,":[100],"0.75%,":[101],"1%":[103],"respectively.":[104],"Which":[105],"every":[106],"formula":[107,127],"evaluated":[109,129],"during":[110],"six":[111,123],"weeks":[112],"involve":[113],"organoleptic,":[114],"homogeneity,":[115],"viscosity,":[116],"pH,":[117],"centrifuge,":[118],"freeze-thaw":[120],"test":[121],"(during":[122],"cycles).":[124],"activity":[131],"spectrophotometer-vis.":[134],"results":[136],"showed":[137,164],"great":[140],"contained":[146],"first":[149],"formula,":[150],"which":[151],"not":[153],"phase":[154],"separation":[155],"49.62":[157],"ppm":[158],"IC50":[160],"value.":[161],"0,5%":[172],"prevented":[175],"Keywords:":[178],"Carbomer":[179],"934,":[180],"gel,":[181],"extract,":[185]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":2}],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2022-01-26T00:00:00"}
