?url_ver=Z39.88-2004&rft_id=1757011012&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PRODUKSI+BACTERIAL+NANOCELLULOSE+(BNC)+DARI+LIMBAH+NANAS+OLEH+MIKROBA+ISOLAT+LOKAL+Kc-D-4&rft.creator=Nurbaiti%2C+1757011012&rft.subject=000+Ilmu+komputer%2C+informasi+dan+pekerjaan+umum&rft.description=Produksi+bacterial+nanocellulose+(BNC)+umumnya+menggunakan+glukosa+sebagai+sumber+karbon+pada+medium+Hestrin-Schramm+(HS)+cair.+Limbah+nanas+berpotensi+sebagai+sumber+karbon+alami+dalam+media+fermentasi+untuk+produksi+BNC+karena+mengadung+karbohidrat+sebesar+17%2C53%25.+Penggunaan+limbah+nanas+sebagai+sumber+karbon+alternatif+pengganti+glukosa+diharapkan+meminimalisir+biaya+produksi+BNC.+Penelitian+ini+bertujuan+untuk+memperoleh+isolat+bakteri+penghasil+BNC+dari+kombucha+dan+memperoleh+kondisi+optimum+produksi+BNC+menggunakan+sumber+karbon+dari+limbah+nanas.+Produksi+BNC+dilakukan+dengan+menggunakan+medium+HS+cair+yang+dimodifikasi+glukosanya+menggunakan+limbah+nanas+dengan+variasi+konsentrasi+2%25%2C+4%25%2C+6%25%2C+dan+8+%25.+Produksi+BNC+dilakukan+dengan+variasi+keadaan+fermentasi+(statis+dan+agitasi+dengan+kecepatan+150+rpm)+dan+variasi+waktu+inkubasi+(7%2C+14%2C+dan+21+hari).+Parameter+yang+diukur+meliputi+berat+pelikel+BNC+dan+Water+Hold+Capacity+(WHC).+Pelikel+BNC+yang+diperoleh+pada+kondisi+optimum+dikarakterisasi+menggunakan+SEM+(Scanning+Electron+Microscopy).+Hasil+penelitian+diperoleh+isolat+Kc-D-4+yang+mampu+menghasilkan+BNC.+Produksi+BNC+oleh+isolat+Kc-D-4+pada+sumber+karbon+limbah+nanas+optimum+pada+konsentrasi+8%25+dan+waktu+inkubasi+14+hari+dalam+keadaan+statis.+Pada+kondisi+tersebut+dihasilkan+berat+basah+pelikel+BNC+sebesar+10%2C2+g+dengan+WHC+sebesar+97%2C30%25.+Hasil+karakterisasi+BNC+menggunakan+SEM+menunjukkan+morfologi+struktur+jaringan+serat+saling+berhubungan+dan+rapat+serta+memiliki+serat+berukuran+nano+dengan+diameter+39-65+nm.%0D%0A%0D%0AKata+kunci%3A+Bacterial+Nanocellulose+(BNC)%2C+Kombucha%2C+Limbah+Nanas%2C+Medium+Hestrin-Schramm+(HS)+cair%2C+Sumber+Karbon.%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0Aabstract%0D%0A%0D%0AThe+production+of+bacterial+nanocellulose+(BNC)+generally+uses+glucose+as+a+carbon+source+in+a+liquid+Hestrin-Schramm+(HS)+medium.+However%2C+the+pineapple+waste+can+be+a+natural+carbon+source+in+the+fermentation+medium+for+BNC+production+because+it+contains+17.53%25+carbohydrates.+The+use+of+pineapple+waste+as+an+alternative+source+of+carbon+in+place+of+glucose+is+expected+to+minimize+the+cost+of+BNC+production.+This+study+is+aimed+to+obtain+isolates+of+BNC-producing+bacteria+from+kombucha+and+obtain+optimum+conditions+for+BNC+production+using+carbon+sources+from+pineapple+waste.+BNC+production+was+carried+out+using+a+modified+liquid+HS+medium+using+pineapple+waste+with+variations+in+concentrations+of+2%25%2C+4%25%2C+6%25%2C+and+8%25.+In+addition%2C+BNC+production+was+carried+out+with+variations+in+fermentation+conditions+(static+and+agitate+at+a+speed+of+150+rpm)+and+variations+in+incubation+time+(7%2C+14%2C+and+21+days).+The+parameters+measured+include+the+BNC's+pellicle+weight+and+Water+Hold+Capacity+(WHC).+BNC+pellicle+obtained+under+optimum+conditions+was+characterized+using+SEM+(Scanning+Electron+Microscopy).+The+results+of+the+study+obtained+Kc-D-4+isolates+capable+of+producing+BNC.+Production+of+BNC+by+Kc-D-4+isolates+at+the+optimum+pineapple+waste+carbon+source+at+a+concentration+of+8%25+and+an+incubation+time+of+14+days+in+a+static+state.+In+these+conditions%2C+the+wet+weight+of+BNC+is+produced+at+10.2+g+with+a+WHC+of+97.30%25.+The+results+of+BNC+characterization+using+SEM+showed+the+morphology+of+the+fiber+network+structure+is+interconnected+and+tight+and+has+nano-sized+fibers+with+a+diameter+of+39-65+nm.%0D%0A%0D%0AKeywords%3A+Bacterial+Nanocellulose+(BNC)%2C+Kombucha%2C+Pineapple+Waste%2C+Liquid+Hestrin-Schramm+(HS)+medium%2C+Carbon+Source.&rft.publisher=FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM+&rft.date=2022-08-09&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F65868%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F65868%2F3%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F65868%2F2%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++Nurbaiti%2C+1757011012++(2022)+PRODUKSI+BACTERIAL+NANOCELLULOSE+(BNC)+DARI+LIMBAH+NANAS+OLEH+MIKROBA+ISOLAT+LOKAL+Kc-D-4.++FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM+%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F65868%2F