?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=ISOLASI+DAN+KARAKTERISASI+MIKROORGANISME+DARI+PRODUK%0D%0ASOLUBLE+LIQUID+(SL)+DAN+UJI+AKTIVITAS+METABOLITNYA%0D%0ASEBAGAI+ANTIBAKTERI+TERHADAP+Vibrio+parahaemolyticus&rft.creator=YASMIN%2C+FAHIRA&rft.subject=600+Teknologi+(ilmu+terapan)&rft.subject=660+Teknik+kimia&rft.description=Penyakit+vibriosis+yang+disebabkan+oleh+bakteri+Vibrio+sp.+menjadi+masalah%0D%0Akesehatan+utama+dalam+industri+perikanan+dan+budidaya+perairan+yang+sering+kali%0D%0Amenyebabkan+kematian+massal+pada+berbagai+jenis+ikan.+Penelitian+ini+dilakukan%0D%0Auntuk+memperoleh+senyawa+bioaktif+dari+ekstrak+bakteri+produk+pupuk+cair%0D%0ASoluble+Liquid+(SL).%0D%0ABakteri+diisolasi+dari+pupuk+cair+SL+menggunakan+media+Tryptose+Soy+Agar%0D%0A(TSA)+dan+de+Man+Rogosa+Sharpe+Agar+(MRSA).+Isolat+terpilih+selanjutnya%0D%0Adiidentifikasi+makroskopik+dan+mikroskopik%2C+serta+dikultivasi+pada+media+cair%0D%0ANutrient+Broth+(NB)+dan+diinkubasi+selama+tiga+hari.+Kultur+diekstraksi+dengan%0D%0Amenggunakan+etil+asetat+(EtOAc).+Ekstrak+kasar+diskrining+aktivitas%0D%0Aantibakterinya+terhadap+Vibrio+parahaemolyticus+menggunakan+metode+difusi+ring%0D%0Asumuran.+Isolat+potensial+dikultivasi+skala+besar+menggunakan+media+cair+NB.%0D%0AEkstrak+kasar+difraksinasi+dengan+kromatografi+kolom+dan+diuji+aktivitas%0D%0Abakterinya+terhadap+V.+parahaemolyticus.+Fraksi+aktif+dikarakterisasi%0D%0Amenggunakan+LC-MS%2FMS.+Hasil+diperoleh+isolat+bakteri+yang+terpilih+diduga%0D%0Aadalah+genus+Lactobacillus+sp.+Skrining+antibakteri+menunjukkan+isolat+YSL-1%0D%0Amemiliki+daya+hambat+paling+besar+terhadap+V.+parahaemolyticus.%0D%0AHasil+analisis+data+LC-MS%2FMS+sampel+YSL-1K2F1+terdeteksi+sebanyak+12%0D%0A%0D%0Apuncak+dengan+total+5+puncak+yang+memiliki+kelimpahan+tinggi.+Analisis+LC-%0D%0AMS%2FMS+pada+waktu+retensi+17%2C97+menit+dengan+puncak+dasar+441.2988+m%2Fz%0D%0A%0D%0Aterindikasi+sebagai+senyawa+turunan+Docosahexaenoic+Acid+(DHA)+dalam+fraksi%0D%0AYSL-1K2F1+yang+memiliki+aktivitas+antibakteri+terhadap+V.+parahaemolyticus.%0D%0AKata+kunci%3A+Docosahexaenoic+acid%2C+lactobacillus+sp.%2C+soluble+liquid%2C+dan+vibrio%0D%0A%0D%0Aparahaemolyticus.%0D%0A%0D%0AVibriosis+disease+caused+by+the+bacteria+Vibrio+sp.+It+is+a+major+health+problem+in%0D%0Athe+fishing+and+aquaculture+industry+which+often+causes+mass+deaths+in+various%0D%0Atypes+of+fish.+This+research+was+conducted+to+obtain+bioactive+compounds+from%0D%0Abacterial+extracts+from+Soluble+Liquid+(SL)+liquid+fertilizer+products.+Bacteria%0D%0Awere+isolated+from+SL+liquid+fertilizer+using+Tryptose+Soy+Agar+(TSA)+and+de%0D%0AMan+Rogosa+Sharpe+Agar+(MRSA)+media.+The+selected+isolates+were+then%0D%0Aidentified+macroscopically+and+microscopically%2C+and+cultivated+in+Nutrient+Broth%0D%0A(NB)+liquid+media+and+incubated+for+three+days.+Cultures+were+extracted+using%0D%0Aethyl+acetate+(EtOAc).+The+crude+extract+was+screened+for+its+antibacterial+activity%0D%0Aagainst+Vibrio+parahaemolyticus+using+the+ring+well+diffusion+method.+Potential%0D%0Aisolates+were+cultivated+on+a+large+scale+using+NB+liquid+media.+The+crude+extract%0D%0Awas+fractionated+by+column+chromatography+and+tested+for+bacterial+activity%0D%0Aagainst+V.+parahaemolyticus.+The+active+fraction+was+further+characterized+using%0D%0ALC-MS%2FMS.+The+results+obtained+by+the+selected+bacterial+isolate+are+thought+to%0D%0Abe+the+genus+Lactobacillus+sp.+Antibacterial+screening+showed+that+YSL-1+isolate%0D%0A%0D%0Ahad+the+greatest+inhibitory+effect+against+V.+parahaemolyticus.+The+results+of+LC-%0D%0AMS%2FMS+data+analysis+of+the+YSL-1K2F1+sample+detected+12+peaks+with+a+total+of%0D%0A%0D%0A5+peaks+having+high+abundance.+LC-MS%2FMS+analysis+at+a+retention+time+of+17.97%0D%0Aminutes+with+a+base+peak+of+441.2988+m%2Fz+indicated+a+compound+derived+from%0D%0ADocosahexaenoic+Acid+(DHA)+in+the+YSL-1K2F1+fraction+which+had+antibacterial%0D%0Aactivity+against+V.+parahaemolyticus.%0D%0AKeywords%3A+Docosahexaenoic+acid%2C+lactobacillus+sp.%2C+soluble+liquid%2C+and+vibrio%0D%0A%0D%0Aparahaemolyticus.&rft.publisher=FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM&rft.date=2024-07-18&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F84088%2F1%2FABSTRAK%2520-%2520Yasmin%2520Fahira.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F84088%2F2%2FSKRIPSI%2520FULL%2520-%2520Yasmin%2520Fahira.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F84088%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN%2520-%2520Yasmin%2520Fahira.pdf&rft.identifier=++YASMIN%2C+FAHIRA++(2024)+ISOLASI+DAN+KARAKTERISASI+MIKROORGANISME+DARI+PRODUK+SOLUBLE+LIQUID+(SL)+DAN+UJI+AKTIVITAS+METABOLITNYA+SEBAGAI+ANTIBAKTERI+TERHADAP+Vibrio+parahaemolyticus.++FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F84088%2F