?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=OPTIMASI+PRODUKSI+BIOSURFAKTAN+DENGAN+MENGGUNAKAN+%0D%0AMEDIA+LIMBAH+CAIR+KELAPA+SAWIT+DARI+BAKTERI+LIPOLITIK+%0D%0AISOLAT+LOKAL+TERPILIH&rft.creator=MEITRI+AYU+NINGRUM%2C+1517011131&rft.subject=+&rft.description=Biosurfaktan+merupakan+salah+satu+produk+bioteknologi+yang+dihasilkan+oleh+%0D%0Amikroorganisme+dan+dapat+diproduksi+menggunakan+berbagai+substrat+pertumbuhan.+%0D%0ATujuan+penelitian+ini+untuk+mengetahui+kemampuan+limbah+cair+kelapa+sawit+sebagai+%0D%0Asubstrat+produksi+biosurfaktan+yang+dihasilkan+oleh+bakteri+lipolitik+isolat+lokal+%0D%0Aterpilih+serta+menentukan+kondisi+optimumnya.+Metode+yang+dilakukan+meliputi+uji+%0D%0Ahemolisis%2C+penentuan+kurva+pertumbuhan+bakteri%2C+optimasi+waktu+produksi+%0D%0Abiosurfaktan+menggunakan+10+%25+limbah+cair+kelapa+sawit%2C+serta+optimasi+pH+dan+%0D%0Asalinitas+dengan+uji+emulsifikasi%2C+oil+spreading%2C+dan+drop+collapse.+Hasil+penelitian+%0D%0Amenunjukan+bahwa+isolat+bakteri+lipolitik+LKM+D1%2C+LKT+B1%2C+dan+LKM+C2+dapat+%0D%0Amenghasilkan+biosurfaktan+ditandai+terbentuknya+zona+bening+disekitar+kertas+%0D%0Acakram.+Isolat+bakteri+lipolitik+menghasilkan+biosurfaktan+pada+akhir+fase+stasioner+%0D%0Ayaitu+isolat+LKM+D1+dan+LKT+B1+pada+jam+ke-60+dan+LKM+C2+pada+jam+ke-72.+%0D%0AProduksi+biosurfaktan+menggunakan+10+%25+limbah+cair+kelapa+sawit+pada+ketiga+isolat+%0D%0Abakteri+lipolitik+optimum+pada+waktu+ke-108+jam.+Hasil+penentuan+pH+dan+salinitas+%0D%0Aoptimum+produksi+biosurfaktan+menggunakan+10+%25+limbah+cair+kelapa+sawit+%0D%0Amenunjukan+bahwa+isolat+LKM+D1+optimum+pada+pH+7+dan+kadar+salinitas+0%2C5+%25%2C+%0D%0ALKT+B1+optimum+pada+pH+8+dan+kadar+salinitas+1+%25%2C+serta+LKM+C2+optimum+pada+pH+%0D%0A9+dan+kadar+salinitas+1+%25.%0D%0AKata+kunci%3A+biosurfaktan%2C+limbah+cair+kelapa+sawit%2C+bakteri+lipolitik%0D%0A%0D%0ABiosurfactant+is+one+of+the+biotechnology+products+produced+by+microorganisms+and+%0D%0Acan+be+produced+using+various+growth+substrates.+The+purpose+of+this+study+was+to+%0D%0Adetermine+the+ability+of+palm+oil+liquid+waste+as+a+biosurfactant+production+substrate+%0D%0Aproduced+by+selected+local+isolate+lipolytic+bacteria+and+determine+optimum+%0D%0Aconditions.+Methods+included+hemolysis%2C+determination+of+bacterial+growth+curves%2C+%0D%0Aoptimization+of+biosurfactant+production+time+using+10+%25+palm+oil+liquid+waste%2C+and+%0D%0Aoptimization+of+pH+and+salinity+with+emulsification%2C+oil+spreading%2C+and+drop+collapse+%0D%0Atests.+The+results+showed+that+LKM+D1%2C+LKT+B1%2C+and+LKM+C2+lipolytic+isolates+can+%0D%0Aproduce+biosurfactants+marked+by+the+formation+of+clear+zones+around+the+paper+disk.+%0D%0ALipolytic+bacterial+isolates+produce+biosurfactants+at+the+end+of+the+stationary+phase%2C+%0D%0Anamely+LKM+D1+and+LKT+B1+isolates+at+60+hours+and+LKM+C2+at+72+hours.+%0D%0ABiosurfactant+production+uses+10+%25+of+palm+oil+liquid+waste+in+the+three+optimum+%0D%0Aisolates+of+lipolytic+bacteria+at+108+hours.+The+results+of+determining+the+optimum+pH+%0D%0Aand+salinity+of+biosurfactant+production+using+10+%25+of+palm+oil+liquid+waste+showed+%0D%0Athat+the+optimum+LKM+D1+isolates+at+pH+7+and+salinity+level+of+0.5+%25%2C+optimum+LKT+%0D%0AB1+at+pH+8+and+salinity+level+of+1+%25%2C+and+optimum+LKM+C2+at+pH+9+and+salinity+level+%0D%0Aof+1+%25.%0D%0AKeywords%3A+biosurfactant%2C+palm+oil+liquid+waste%2C+lipolytic+bacteria%0D%0A&rft.publisher=Fakultas+Matematika+dan+Ilmu+Pengetahuan+Alam&rft.date=2019&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F55702%2F1%2F1.%2520ABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F55702%2F2%2F2.%2520SKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F55702%2F3%2F3.%2520SKRIPSI%2520FULL%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++MEITRI+AYU+NINGRUM%2C+1517011131++(2019)+OPTIMASI+PRODUKSI+BIOSURFAKTAN+DENGAN+MENGGUNAKAN+MEDIA+LIMBAH+CAIR+KELAPA+SAWIT+DARI+BAKTERI+LIPOLITIK+ISOLAT+LOKAL+TERPILIH.++Fakultas+Matematika+dan+Ilmu+Pengetahuan+Alam%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F55702%2F