?url_ver=Z39.88-2004&rft_id=1817011101+&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=OPTIMASI+KONDISI+KULTUR+PRODUKSI+BACTERIAL%0D%0ANANOCELLULOSE+(BNC)+OLEH+ISOLAT+LOKAL+Kc-D-4+DARI%0D%0ALIMBAH+CAIR+INDUSTRI+NANAS&rft.creator=NATASYA+NATHANIELA++%2C+AKBAR&rft.subject=500+ilmu+pengetahuan+alam+dan+matematika&rft.subject=540+Kimia+dan+ilmu+yang+berhubungan&rft.description=Bacterial+nanocellulose+(BNC)+is+a+biopolymer+that+has+been+widely+applied+in%0D%0Avarious+fields+due+to+its+unique+properties.+BNC+production+is+carried+out+by%0D%0Aculturing+BNC-producing+bacterial+strains+in+media+containing+nutrients+under%0D%0Aappropriate+conditions+to+maximize+output.+This+study+was+aimed+to+determine+the%0D%0Aoptimum+conditions+for+BNC+production+by+varying+pH%2C+carbon%2C+nitrogen%2C+and%0D%0Aphosphate+sources.+BNC+production+was+carried+out+by+isolate+Kc-D-4+using+a%0D%0Amodified+Hestrin-Schramm+(HS)+medium+containing+pineapple+liquid+waste+with%0D%0Aa+concentration+of+6%25+brix+as+a+replacement+for+glucose+source.+Parameters%0D%0Ameasured+included+BNC+pellicle+weight+and+Water+Hold+Capacity+(WHC).+The%0D%0Aobtained+BNC+pellicles+were+characterized+using+Scanning+Electron+Microscopy%0D%0A(SEM)+and+Fourier+Transform+Infrared+(FTIR).+The+results+showed+that+the%0D%0Aoptimum+isolate+Kc-D-4+produced+wet+pellicles+of+12.1+g%2C+using+a+modified+HS%0D%0Amedium+at+pH+4.5+with+a+fermentation+period+of+14+days.+The+percentage+of%0D%0Apellicles+water+hold+capacity+(WHC)+value+from+various+variations+of+the+culture%0D%0Acondition's+pHs%2C+carbon%2C+nitrogen%2C+and+phosphate+sources+ranged+from+96%25-98%25.%0D%0AThe+results+of+BNC+characterization+using+SEM+and+FTIR+show+that+BNC%0D%0Apellicles+are+proven+to+be+cellulose+and+have+nano-sized+fibers+with+a+52-92+nm%0D%0Adiameter.%0D%0AKeywords%3A+Bacterial+nanocellulose+(BNC)%2C+kombucha%2C+pineapple+liquid+waste%2C%0D%0AHestrin-Schramm+(HS)+Medium.%0D%0A%0D%0ABacterial+nanocellulose+(BNC)+adalah+biopolimer+yang+telah+banyak%0D%0Adiaplikasikan+diberbagai+bidang+karena+sifat+unik+yang+dimilikinya.+Produksi%0D%0ABNC+dilakukan+dengan+membiakkan+strain+bakteri+penghasil+BNC+dalam+media%0D%0Ayang+mengandung+nutrisi+pada+kondisi+yang+sesuai+untuk+memaksimalkan%0D%0Aproduksi.+Penelitian+ini+bertujuan+untuk+menentukan+kondisi+optimum+produksi%0D%0ABNC+dengan+variasi+pH%2C+sumber+karbon%2C+sumber+nitrogen%2C+dan+sumber+fosfat.%0D%0AProduksi+BNC+dilakukan+oleh+isolat+Kc-D-4+dengan+menggunakan+medium+HS%0D%0Atermodifikasi+mengandung+limbah+cair+nanas+dengan+konsentrasi+sebesar+6%25+brix%0D%0Asebagai+pengganti+sumber+glukosa.+Parameter+yang+diukur+meliputi+berat+pelikel%0D%0ABNC+dan+Water+Hold+Capacity+(WHC).+Pelikel+BNC+yang+diperoleh%0D%0Adikarakterisasi+menggunakan+Scanning+Electron+Microscopy+(SEM)+dan+Fourier%0D%0ATransform+Infra-Red+(FTIR).+Hasil+penelitian+menunjukkan+isolat+Kc-D-4%0D%0Aoptimum+menghasilkan+pelikel+basah+sebesar+12%2C1+g%2C+menggunakan+medium+HS%0D%0Atermodifikasi+pada+pH+4%2C5+dengan+masa+fermentasi+selama+14+hari.+Presentase%0D%0Anilai+water+hold+capacity+(WHC)+pelikel+dari+berbagai+variasi+pH%2C+sumber+karbon%2C%0D%0Asumber+nitrogen%2C+dan+sumber+fosfat+dari+kultur+berkisar+antara+96%25-98%25.+Hasil%0D%0Akarakterisasi+BNC+menggunakan+SEM+dan+FTIR+menunjukkan+pelikel+BNC%0D%0Aadalah+benar+selulosa+dan+memiliki+serat+berukuran+nano+dengan+diameter+52-92%0D%0Anm.%0D%0AKata+kunci%3A+Bacterial+Nanocellulose+(BNC)%2C+Kombucha%2C+Limbah+Cair+Nanas%2C%0D%0AMedium+Hestrin-Schramm+(HS).&rft.publisher=FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM&rft.date=2023-11-06&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F77096%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F77096%2F3%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F77096%2F2%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++NATASYA+NATHANIELA+%2C+AKBAR++(2023)+OPTIMASI+KONDISI+KULTUR+PRODUKSI+BACTERIAL+NANOCELLULOSE+(BNC)+OLEH+ISOLAT+LOKAL+Kc-D-4+DARI+LIMBAH+CAIR+INDUSTRI+NANAS.++FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F77096%2F