{"id":"https://openalex.org/W7128923490","doi":"https://doi.org/10.21608/ejabf.2026.427472.6660","title":"Comparative FTIR Spectral Characteristics of Carrageenan Extracted from Kappaphycus alvarezii Cultivated in Lingga and Karimun Regencies, Riau Islands","display_name":"Comparative FTIR Spectral Characteristics of Carrageenan Extracted from Kappaphycus alvarezii Cultivated in Lingga and Karimun Regencies, Riau Islands","publication_year":2026,"publication_date":"2026-01-01","ids":{"openalex":"https://openalex.org/W7128923490","doi":"https://doi.org/10.21608/ejabf.2026.427472.6660"},"language":"en","primary_location":{"id":"doi:10.21608/ejabf.2026.427472.6660","doi":"https://doi.org/10.21608/ejabf.2026.427472.6660","is_oa":true,"landing_page_url":"https://doi.org/10.21608/ejabf.2026.427472.6660","pdf_url":null,"source":{"id":"https://openalex.org/S4210167569","display_name":"Egyptian Journal of Aquatic Biology and Fisheries","issn_l":"1110-6131","issn":["1110-6131","2536-9814"],"is_oa":true,"is_in_doaj":true,"is_core":false,"listed_in":["doaj","norway-1","poland-20","russia-white-list-3"],"host_organization":"https://openalex.org/P4310318980","host_organization_name":"Egyptian Society for the Development of Fisheries and Human Health","host_organization_lineage":["https://openalex.org/P4310318980"],"host_organization_lineage_names":["Egyptian Society for the Development of Fisheries and Human Health"],"type":"journal"},"license":"cc-by-nc-sa","license_id":"https://openalex.org/licenses/cc-by-nc-sa","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Egyptian Journal of Aquatic Biology and Fisheries","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://doi.org/10.21608/ejabf.2026.427472.6660","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5014247293","display_name":"Aidil Fadli Ilhamdy","orcid":"https://orcid.org/0000-0003-3017-790X","observed_orcids":["https://orcid.org/0000-0003-3017-790X"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Aidil Fadli Ilhamdy","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029467749","display_name":"Jumsurizal Jumsurizal","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Jumsurizal Jumsurizal","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5004757492","display_name":"Hollanda Arief Kusuma","orcid":"https://orcid.org/0000-0003-4720-1072","observed_orcids":["https://orcid.org/0000-0003-4720-1072"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Hollanda Arief Kusuma","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5032532455","display_name":"Bakti Berlyanto Sedayu","orcid":"https://orcid.org/0000-0003-3666-0011","observed_orcids":["https://orcid.org/0000-0003-3666-0011"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Bakti Beryanto Sedayu","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015186296","display_name":"Cindytia Prastari","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Cindytia Prastari","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5126004840","display_name":"Fathul Rahman","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Fathul Rahman","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5031251687","display_name":"Anggrei Viona Seulalae","orcid":"https://orcid.org/0000-0002-2028-2311","observed_orcids":["https://orcid.org/0000-0002-2028-2311"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Anggrei Viona Seulalae","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":100,"currency":"USD","value_usd":100},"apc_paid":{"value":100,"currency":"USD","value_usd":100},"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"30","issue":"1","first_page":"2091","last_page":"2102"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11390","display_name":"Seaweed-derived Bioactive Compounds","score":0.913100004196167,"subfield":{"id":"https://openalex.org/subfields/1104","display_name":"Aquatic 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"}},"topics":[{"id":"https://openalex.org/T11390","display_name":"Seaweed-derived Bioactive Compounds","score":0.913100004196167,"subfield":{"id":"https://openalex.org/subfields/1104","display_name":"Aquatic 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/T12192","display_name":"Polysaccharides Composition and Applications","score":0.06809999793767929,"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/T10643","display_name":"Marine and coastal plant biology","score":0.002400000113993883,"subfield":{"id":"https://openalex.org/subfields/1910","display_name":"Oceanography"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/carrageenan","display_name":"carrageenan","score":0.9539999961853027},{"id":"https://openalex.org/keywords/kappaphycus-alvarezii","display_name":"Kappaphycus alvarezii","score":0.9929999709129333},{"id":"https://openalex.org/keywords/red-algae","display_name":"red algae","score":0.6600000262260437},{"id":"https://openalex.org/keywords/carrageenan-extraction","display_name":"carrageenan extraction","score":0.9079999923706055},{"id":"https://openalex.org/keywords/seaweed-farming","display_name":"seaweed cultivation","score":0.5440000295639038},{"id":"https://openalex.org/keywords/lingga-regency","display_name":"Lingga Regency","score":0.7789999842643738},{"id":"https://openalex.org/keywords/karimun-regency","display_name":"Karimun Regency","score":0.9629999995231628},{"id":"https://openalex.org/keywords/riau-islands","display_name":"Riau Islands","score":0.9739999771118164}],"concepts":[{"id":"https://openalex.org/C2778344045","wikidata":"https://www.wikidata.org/wiki/Q6367130","display_name":"Kappaphycus alvarezii","level":3,"score":0.9563999772071838},{"id":"https://openalex.org/C2781227287","wikidata":"https://www.wikidata.org/wiki/Q421991","display_name":"Carrageenan","level":2,"score":0.891700029373169},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.7358999848365784},{"id":"https://openalex.org/C160892712","wikidata":"https://www.wikidata.org/wiki/Q901559","display_name":"Fourier transform infrared spectroscopy","level":2,"score":0.5557000041007996},{"id":"https://openalex.org/C31903555","wikidata":"https://www.wikidata.org/wiki/Q1637030","display_name":"Food science","level":1,"score":0.49160000681877136},{"id":"https://openalex.org/C59822182","wikidata":"https://www.wikidata.org/wiki/Q441","display_name":"Botany","level":1,"score":0.3547999858856201},{"id":"https://openalex.org/C2983668108","wikidata":"https://www.wikidata.org/wiki/Q280453","display_name":"Spectral analysis","level":3,"score":0.3319000005722046},{"id":"https://openalex.org/C45812177","wikidata":"https://www.wikidata.org/wiki/Q432016","display_name":"Alkalinity","level":2,"score":0.29760000109672546},{"id":"https://openalex.org/C144027150","wikidata":"https://www.wikidata.org/wiki/Q48803","display_name":"Horticulture","level":1,"score":0.2492000013589859},{"id":"https://openalex.org/C43617362","wikidata":"https://www.wikidata.org/wiki/Q170050","display_name":"Chromatography","level":1,"score":0.24120000004768372}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.21608/ejabf.2026.427472.6660","doi":"https://doi.org/10.21608/ejabf.2026.427472.6660","is_oa":true,"landing_page_url":"https://doi.org/10.21608/ejabf.2026.427472.6660","pdf_url":null,"source":{"id":"https://openalex.org/S4210167569","display_name":"Egyptian Journal of Aquatic Biology and Fisheries","issn_l":"1110-6131","issn":["1110-6131","2536-9814"],"is_oa":true,"is_in_doaj":true,"is_core":false,"listed_in":["doaj","norway-1","poland-20","russia-white-list-3"],"host_organization":"https://openalex.org/P4310318980","host_organization_name":"Egyptian Society for the Development of Fisheries and Human Health","host_organization_lineage":["https://openalex.org/P4310318980"],"host_organization_lineage_names":["Egyptian Society for the Development of Fisheries and Human Health"],"type":"journal"},"license":"cc-by-nc-sa","license_id":"https://openalex.org/licenses/cc-by-nc-sa","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Egyptian Journal of Aquatic Biology and Fisheries","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.21608/ejabf.2026.427472.6660","doi":"https://doi.org/10.21608/ejabf.2026.427472.6660","is_oa":true,"landing_page_url":"https://doi.org/10.21608/ejabf.2026.427472.6660","pdf_url":null,"source":{"id":"https://openalex.org/S4210167569","display_name":"Egyptian Journal of Aquatic Biology and Fisheries","issn_l":"1110-6131","issn":["1110-6131","2536-9814"],"is_oa":true,"is_in_doaj":true,"is_core":false,"listed_in":["doaj","norway-1","poland-20","russia-white-list-3"],"host_organization":"https://openalex.org/P4310318980","host_organization_name":"Egyptian Society for the Development of Fisheries and Human Health","host_organization_lineage":["https://openalex.org/P4310318980"],"host_organization_lineage_names":["Egyptian Society for the Development of Fisheries and Human Health"],"type":"journal"},"license":"cc-by-nc-sa","license_id":"https://openalex.org/licenses/cc-by-nc-sa","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Egyptian Journal of Aquatic Biology and Fisheries","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W7160771326","https://openalex.org/W2022799137","https://openalex.org/W2077639976","https://openalex.org/W2128021319","https://openalex.org/W3134718327","https://openalex.org/W3195388788","https://openalex.org/W2512222145","https://openalex.org/W7203718766","https://openalex.org/W7169652158","https://openalex.org/W4381113520"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-09-25T08:18:29.962427","created_date":"2026-02-15T00:00:00"}