{"id":"https://openalex.org/W2774800566","doi":null,"title":"Effects of yeast extract concentrations on biomass and production of bacteriocin","display_name":"Effects of yeast extract concentrations on biomass and production of bacteriocin","publication_year":2009,"publication_date":"2009-01-01","ids":{"openalex":"https://openalex.org/W2774800566","mag":"2774800566"},"language":"en","primary_location":{"id":"pmh:oai:ir.unimas.my:18756","doi":null,"is_oa":false,"landing_page_url":"http://ir.unimas.my/id/eprint/18756/1/Khairunnisa%20Othman%20ft.pdf","pdf_url":"http://ir.unimas.my/id/eprint/18756/1/Khairunnisa%20Othman%20ft.pdf","source":{"id":"https://openalex.org/S4306400335","display_name":"Unimas Institutional Repository (Universiti Malaysia Sarawak)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I41461413","host_organization_name":"Universiti Malaysia Sarawak","host_organization_lineage":["https://openalex.org/I41461413"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"","raw_type":"Final Year Project Report"},"volume":null,"type":"report","is_traditional":false,"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/A5064668753","display_name":"Binti Othman. Khairunnisa","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Binti Othman. Khairunnisa","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5064668753"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10141","display_name":"Probiotics and Fermented Foods","score":0.9961000084877014,"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"}},"topics":[{"id":"https://openalex.org/T10141","display_name":"Probiotics and Fermented Foods","score":0.9961000084877014,"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/T10120","display_name":"Bacterial Genetics and Biotechnology","score":0.0007999999797903001,"subfield":{"id":"https://openalex.org/subfields/1311","display_name":"Genetics"},"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/T10252","display_name":"Microbial Natural Products and Biosynthesis","score":0.0003000000142492354,"subfield":{"id":"https://openalex.org/subfields/2402","display_name":"Applied Microbiology and Biotechnology"},"field":{"id":"https://openalex.org/fields/24","display_name":"Immunology and Microbiology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/nisin-z","display_name":"nisin Z","score":0.9860000014305115},{"id":"https://openalex.org/keywords/lactococcus-lactis","display_name":"Lactococcus lactis","score":0.8899999856948853},{"id":"https://openalex.org/keywords/yeast-extract","display_name":"yeast extract","score":0.7149999737739563},{"id":"https://openalex.org/keywords/glucose-levels","display_name":"glucose concentration","score":0.9330000281333923},{"id":"https://openalex.org/keywords/bacteriocin-production","display_name":"bacteriocin production","score":0.9739999771118164},{"id":"https://openalex.org/keywords/fermentation-medium-optimization","display_name":"fermentation medium optimization","score":0.8629999756813049},{"id":"https://openalex.org/keywords/specific-productivity","display_name":"specific productivity","score":0.7170000076293945},{"id":"https://openalex.org/keywords/lactic-acid-bacteria","display_name":"lactic acid bacteria","score":0.6510000228881836}],"concepts":[{"id":"https://openalex.org/C2778457984","wikidata":"https://www.wikidata.org/wiki/Q415798","display_name":"Nisin","level":3,"score":0.8904851675033569},{"id":"https://openalex.org/C2779222958","wikidata":"https://www.wikidata.org/wiki/Q45422","display_name":"Yeast","level":2,"score":0.8690855503082275},{"id":"https://openalex.org/C100544194","wikidata":"https://www.wikidata.org/wiki/Q41760","display_name":"Fermentation","level":2,"score":0.8285170197486877},{"id":"https://openalex.org/C145890019","wikidata":"https://www.wikidata.org/wiki/Q1593672","display_name":"Yeast extract","level":3,"score":0.8094613552093506},{"id":"https://openalex.org/C2780011460","wikidata":"https://www.wikidata.org/wiki/Q133598","display_name":"Lactococcus lactis","level":4,"score":0.7503297328948975},{"id":"https://openalex.org/C115574571","wikidata":"https://www.wikidata.org/wiki/Q183119","display_name":"Bacteriocin","level":3,"score":0.70095294713974},{"id":"https://openalex.org/C31903555","wikidata":"https://www.wikidata.org/wiki/Q1637030","display_name":"Food science","level":1,"score":0.6886451244354248},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.5110408067703247},{"id":"https://openalex.org/C523546767","wikidata":"https://www.wikidata.org/wiki/Q10876","display_name":"Bacteria","level":2,"score":0.3691693842411041},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.3577083945274353},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.32334214448928833},{"id":"https://openalex.org/C2775920511","wikidata":"https://www.wikidata.org/wiki/Q161249","display_name":"Lactic acid","level":3,"score":0.1124807596206665},{"id":"https://openalex.org/C54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:ir.unimas.my:18756","doi":null,"is_oa":false,"landing_page_url":"http://ir.unimas.my/id/eprint/18756/1/Khairunnisa%20Othman%20ft.pdf","pdf_url":"http://ir.unimas.my/id/eprint/18756/1/Khairunnisa%20Othman%20ft.pdf","source":{"id":"https://openalex.org/S4306400335","display_name":"Unimas Institutional Repository (Universiti Malaysia Sarawak)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I41461413","host_organization_name":"Universiti Malaysia Sarawak","host_organization_lineage":["https://openalex.org/I41461413"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"","raw_type":"Final Year Project Report"},{"id":"mag:2774800566","doi":null,"is_oa":false,"landing_page_url":"https://ir.unimas.my/18756/","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/2","score":0.8409000039100647,"display_name":"Zero hunger"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2085932258","https://openalex.org/W2091276993","https://openalex.org/W2029264885","https://openalex.org/W3024832546","https://openalex.org/W3017135328","https://openalex.org/W425140653","https://openalex.org/W186569776","https://openalex.org/W2726629942","https://openalex.org/W2214494481","https://openalex.org/W107874710"],"abstract_inverted_index":{"Optimum":[0],"glucose":[1,18,56,97,121],"and":[2,19,34,46,57,98,122,132,135,145],"yeast":[3,20,39,59,100,123,139],"extract":[4,21,40,60,124,140],"concentrations":[5,22,31,43],"for":[6,125],"nisin":[7,64,108,126],"Z":[8,65,109,127],"production":[9,62,110,128],"was":[10,67,86,141],"analyzed":[11],"on":[12],"Lactococcus":[13],"lactis":[14],"10-1":[15],"where":[16],"different":[17,42],"were":[23,36],"supplemented":[24],"into":[25],"the":[26,49],"fennentation":[27,94],"medium.":[28],"Glucose":[29],"with":[30,38,76,114],"of":[32,44,54,63,120],"15g11":[33],"30gll":[35,55,96,131],"tested":[37],"at":[41,72,79,88,130],"10gl1":[45,138],"20gll.":[47,146],"From":[48],"results":[50],"obtained,":[51],"a":[52],"combination":[53,119],"10gll":[58],"showed":[61],"that":[66],"higher":[68,91],"than":[69,92,143],"standard":[70,93,115],"fermentation":[71],"15.25":[73],"log":[74],"AU/ml":[75],"specific":[77],"productivity":[78],"1.24":[80],"x":[81],"1012":[82],"AU/g-DCW.":[83],"The":[84,102,117],"increased":[85],"recorded":[87,105],"1.28":[89],"fold":[90],"using":[95,137],"5g1l":[99],"extract.":[101],"other":[103],"parameters":[104],"reductions":[106],"in":[107],"as":[111],"to":[112],"compare":[113],"fermentation.":[116],"best":[118],"is":[129],"10gli":[133],"respectively":[134],"clearly,":[136],"better":[142],"5g11":[144]},"counts_by_year":[],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2017-12-22T00:00:00"}