?url_ver=Z39.88-2004&rft_id=1817011007&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=ISOLASI+DAN+KARAKTERISASI+SENYAWA+ALKALOID+FUNGI+SEDIMEN+MANGROVE+SERTA+UJI+AKTIVITASNYA+TERHADAP+Staphylococcus+aureus+DAN+Pseudomonas+aeruginosa&rft.creator=REYZKA+AULIA+WIHARDINI%2C+1817011007&rft.subject=500+ilmu+pengetahuan+alam+dan+matematika&rft.subject=660+Teknik+kimia&rft.description=Resistensi+bakteri+terhadap+antibiotik+menjadi+permasalahan+global+dan+menimbulkan+kebutuhan+mendesak+untuk+mencari+senyawa+metabolit+baru+dari+bahan+alam.++Ekosistem+mangrove+memiliki+karakteristik+lingkungan+yang+unik+sehingga+mikroba+yang+mampu+bertahan+dalam+kondisi+tersebut+memiliki+bioaktivitas+salah+satunya+sebagai+antibakteri.++Pada+penelitian+ini+sedimen+mangrove+diambil+secara+acak+di+kawasan+ekowisata+hutan+mangrove+Gebang+Petengoran+Kabupaten+Pesawaran+dengan+titik+koordinat+-5.570759%C2%B0LS+105.240765%C2%B0BT%2C+dan+kawasan+pantai+Dewi+Mandapa+dengan+titik+koordinat+-5.571883%C2%B0LS+105.243494%C2%B0BT.++Hasil+isolasi+diperoleh+empat+isolat+fungi+yang+difermentasi+menggunakan+media+beras+padat.+Isolat+terpilih+RSM1+dengan+indikasi+genus+Rhizidium%2C+ekstrak+hasil+ko-kultivasi+menunjukkan+nilai+%25+inhibisi+sebesar+21.2%25+terhadap+Staphylococcus+aureus+dan+26.8%25+terhadap+Pseudomonas+aeruginosa.+Analisis+FTIR+menunjukkan+adanya+serapan+pada+bilangan+gelombang+1371.7+cm-1++menunjukkan+serapan+gugus+C-N+yang+merupakan+gugus+fungsi+senyawa+alkaloid.+Serapan+pada+bilangan+gelombang+1744%2C4+cm-1+dan+2922.2+cm-1+menunjukkan+adanya+serapan+C%3DO+dan+C-C+alifatik.+Analisis+LC-MS+senyawa+fraksi+RSM1+diperoleh+komponen+alkaloid+berupa+best+peak+dengan+m%2Fz+365+dengan+formula+molekul+C17H33N8O+hasil+analisis+mengindikasi+struktur+alkaloid+dengan+kerangka+dasar+triazine.%0D%0A%0D%0AKata+kunci+%3A+Sedimen+mangrove%2C+fungi%2C+antibakteri%2C+alkaloid.%0D%0A+%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0AABSTRACT%0D%0A%0D%0ABacterial+resistance+to+antibiotics+is+a+global+problem+and+creates+an+urgent+need+to+look+for+new+metabolites+from+natural+ingredients.+Mangrove+ecosystems+have+unique+environmental+characteristics+so+that+microbes+that+are+able+to+survive+in+these+conditions+have+bioactivity%2C+one+of+which+is+antibacterial.+In+this+study%2C+mangrove+sediments+were+taken+randomly+in+the+ecotourism+area+of+the+Gebang+Petengoran+mangrove+forest%2C+Pesawaran+Regency+with+the+coordinates+of+-5.570759%C2%B0S+105.240765%C2%B0E%2C+and+the+Dewi+Mandapa+beach+area+with+the+coordinates+of+-5.571883%C2%B0S+105.243494%C2%B0E.+The+results+of+the+isolation+obtained+four+isolates+of+fungi+that+were+fermented+using+solid+rice+media.+The+selected+isolate+RSM1+with+an+indication+of+the+genus+Rhizidium%2C+the+extract+from+the+co-cultivation+method+an+inhibition+value+of+21.2%25+against+Staphylococcus+aureus+and+26.8%25+against+Pseudomonas+aeruginosa.+FT-IR+analysis+showed+an+absorption+at+wave+number+of+1371.7+cm-1+indicating+the+absorption+of+the+C-N+group+which+is+a+functional+group+of+alkaloid+compounds.+Absorption+at+wave+numbers+1744.4+cm-1+and+2922.2+cm-1+indicates+aliphatic+C%3DO+and+C-C+absorption.+LC-MS+analysis+of+RSM1+fraction+compounds+obtained+alkaloid+components+in+the+form+of+the+best+peak+with+m%2Fz+365+with+the+molecular+formula+C17H33N8O.+The+results+of+the+analysis+indicated+the+structure+of+the+alkaloids+with+base+structure+of+triazine.%0D%0A%0D%0AKey+words+%3A+Mangrove+sediment%2C+fungi%2C+antibacterial%2C+alkaloid.&rft.publisher=FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM&rft.date=2022-08-02&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F65179%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F65179%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F65179%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++REYZKA+AULIA+WIHARDINI%2C+1817011007++(2022)+ISOLASI+DAN+KARAKTERISASI+SENYAWA+ALKALOID+FUNGI+SEDIMEN+MANGROVE+SERTA+UJI+AKTIVITASNYA+TERHADAP+Staphylococcus+aureus+DAN+Pseudomonas+aeruginosa.++FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F65179%2F