?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PRODUKSI+BIOSURFAKTAN+LIPOPEPTIDA+DARI+BAKTERI+INDIGEN++BSPP+4+ASAL+SEDIMEN+PERAIRAN+PELABUHAN+PANJANG&rft.creator=Vezhia%2C+Sheiscatamya&rft.subject=540+Kimia+dan+ilmu+yang+berhubungan&rft.description=Biosurfaktan+merupakan+salah+satu+senyawa+produk+metabolit+yang+dapat+disintesis+secara+ekstraselular+oleh+mikroba+seperti+bakteri+atau+jamur.+Penelitian+ini+bertujuan+untuk+mendapatkan+biosurfaktan+lipopeptida+dari+bakteri+indigen+BSPP+4+asal+sedimen+perairan+pelabuhan+panjang+dan+menentukan+identitas+dari+isolat+lokal+BSPP+4.+Metode+yang+dilakukan+meliputi+identifikasi+molekular+isolat+bakteri+menggunakan+metode+16S+rRNA%2C+optimasi+produksi+biosurfaktan+yang+meliputi+variasi+konsentrasi+sumber+karbon+gliserol%2C+sumber+nitrogen+natrium+nitrat%2C+pH%2C+dan+kadar+salin%2C+serta+karakteristik+biosurfaktan+hasil+produksi+menggunakan+KLT+dan+FTIR.+Hasil+analisa+16S+rRNA+menunjukkan+bahwa+bakteri+indigen+BSPP+4+memiliki+skor+identitas+100%25+dengan+Bacillus+cereus+dan+hasil+analisa+filogenetik+menunjukkan+bakteri+ini+termasuk+ke+dalam+kelompok+Bacillus+cereus+strain+CURB8.+Produksi+biosurfaktan+dilakukan+pada+kondisi+optimum+sumber+karbon+gliserol+3%25%2C+sumber+nitrogen+natrium+nitrat+0%2C6%25%2C+pH+7%2C+dan+kadar+salin+0%2C3%25+dengan+nilai+indeks+emulsifikasi+75%25%2C+oil+spreading+3+cm%2C+dan+uji+drop+collapse+positif.++Produksi+biosurfaktan+dari+bakteri+isolat+BSPP+4+menghasilkan+sebanyak+0%2C1087+g%2FL+yang+berwarna+kuning+kecoklatan.++Analisa+KLT+menunjukkan+adanya+bercak+noda+merah+muda+yang+mengindikasikan+adanya+biosurfaktan+lipopeptida+dan+diperkuat+dari+data+hasil+FTIR+dengan+munculnya+serapan+khas+lipopeptida+pada+daerah+3280+cm-1+memiliki+ikatan+N-H+yang+menunjukkan+karakteristik+untuk+peptida.++Berdasarkan+hasil+analisa+keseluruhan%2C+dapat+disimpulkan+bahwa+bakteri+indigen+BSPP+4+merupakan+kelompok+Bacillus+cereus+dan+dapat+menghasilkan+biosurfaktan+kelompok+lipopeptida.+%0D%0A%0D%0AKata+kunci%3A+16S+rRNA%2C+biosurfaktan%2C+sedimen+perairan+Pelabuhan+Panjang%2C+lipopeptida.%0D%0A+%0D%0A%0D%0ABiosurfactant+is+one+of+the+metabolite+product+compounds+that+can+be+synthesized+extracellularly+by+microbes+such+as+bacteria+or+fungi.+This+study+aims+to+obtain+biosurfactant+lipopeptides+from+indigenous+bacteria+BSPP+4+from+the+sediment+waters+of+Panjang+Port+and+determine+the+identity+of+the+local+isolate+BSPP+4.+The+methods+include+molecular+identification+of+bacterial+isolates+using+the+16S+rRNA+method%2C+optimization+of+biosurfactant+production+which+includes+variations+in+the+concentration+of+glycerol+carbon+source%2C+sodium+nitrate+nitrogen+source%2C+pH%2C+and+saline+level%2C+and+characteristics+of+biosurfactants+produced+using+KLT+and+FTIR.+The+results+of+16S+rRNA+analysis+showed+that+the+indigenous+bacteria+of+BSPP+4+had+a+100%25+identity+score+with+Bacillus+cereus+and+the+results+of+phylogenetic+analysis+showed+that+these+bacteria+belonged+to+the+Bacillus+cereus+strain+CURB8+group.+Biosurfactant+production+was+carried+out+under+optimum+conditions+of+3%25+glycerol+carbon+source%2C+0.6%25+sodium+nitrate+nitrogen+source%2C+pH+7%2C+and+0.3%25+saline+level+with+emulsification+index+value+75%25%2C+oil+spreading+3+cm%2C+and+positive+drop+collapse+test.++Biosurfactant+production+from+bacterial+isolate+BSPP+4+produced+as+much+as+0.1087+g%2FL+which+was+brownish+yellow+in+color.++The+KLT+analysis+showed+the+spot+of+pink+stain+indicating+the+lipopeptide+biosurfactant+and+was+strengthened+by+the+FTIR+data+results+with+the+appearance+of+typical+lipopeptide+absorption+in+the+3280+cm-1+region+which+has+N-H+bonds+that+show+characteristics+for+peptides.++Based+on+the+results+of+the+whole+analysis%2C+it+can+be+concluded+that+the+indigenous+bacteria+BSPP+4+is+a+group+of+Bacillus+cereus+and+can+produce+lipopeptide+group+biosurfactant.%0D%0A%0D%0AKeywords%3A.+16S+rRNA%2C+biosurfactant%2C+sediment+waters+of+Panjang+Port%2C+lipopeptide.%0D%0A&rft.publisher=MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM&rft.date=2023-05-26&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F72613%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F72613%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F72613%2F3%2FSKRIPSI%2520TANPA%2520PEMBAHASAN.pdf&rft.identifier=++Vezhia%2C+Sheiscatamya++(2023)+PRODUKSI+BIOSURFAKTAN+LIPOPEPTIDA+DARI+BAKTERI+INDIGEN+BSPP+4+ASAL+SEDIMEN+PERAIRAN+PELABUHAN+PANJANG.++MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F72613%2F