?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=SELEKSI+DAN+KARAKTERISASI+ANTIBAKTERI+DARI+BAKTERI%0D%0ALactobacillus+sp.+ASAL+VERMIKOMPOS+TERHADAP+Bacillus+sp.+DAN%0D%0A%0D%0AEscherichia+coli&rft.creator=WAHYU+%2C+APRIA+NINGSIH&rft.subject=500+ilmu+pengetahuan+alam+dan+matematika&rft.subject=570+Biologi&rft.description=Vermikompos+merupakan+salah+satu+pupuk+organik+yang+dihasilkan+dari+proses%0D%0Afermentasi+cacing+tanah.+Vermikompos+dijadikan+pupuk+organik+untuk+mengatasi%0D%0Apermasalahan+penurunan+kualitas+tanah+karena+rendahnya+tingkat+kesuburan+tanah%0D%0Aakibat+penggunaan+pupuk+anorganik+secara+berlebihan.+Hasil+fermentasi+dari+cacing%0D%0Atanah+akan+dilakukan+proses+penguraian+yang+dibantu+oleh+berbagai+macam%0D%0Amikroba+tanah+diantaranya+yaitu+Lactobacillus+sp.+Lactobacillus+sp.+merupakan%0D%0Asalah+satu+genus+bakteri+asam+laktat+(BAL)+yang+dapat+membantu+proses%0D%0Apenguraian+bahan+organik+dan+dapat+menghambat+pertumbuhan+bakteri+lain+karena%0D%0Amengandung+senyawa+berupa+asam+laktat%2C+asam+asetat%2C+asam+propionat%2C+bakteriosin%0D%0Adan+hidrogen+peroksida.+Tujuan+dari+penelitian+ini+adalah+untuk+seleksi%0D%0Apertumbuhan+bakteri+Lactobacillus+sp.+berdasarkan+pH+dan+suhu+serta%0D%0Amengkarakterisasi+antibakteri+Lactobacillus+sp.+terhadap+Bacillus+sp.+dan+E.coli.%0D%0ARancangan+penelitian+yang+digunakan+bersifat+deskriptif+untuk+melihat+zona+hambat%0D%0Ayang+terbentuk.+Metode+pengukuran+yang+digunakan+adalah+metode+difusi+kertas%0D%0Acakram%2C+besaran+kemampuan+hambatan+dari+antibakteri+terhadap+pertumbuhan%0D%0ABacillus+sp.+dan+E.coli.+Antibakteri+yang+digunakan+berupa+antibakteri+yang%0D%0Aberasal+dari+Lactobacillus+sp.+dengan+jenis+antibakteri+tanpa+penetralan+dan%0D%0Aantibakteri+dengan+penetralan+yaitu+menggunakan+NaOH+1+M.+Hasil+Penelitian%0D%0Aberdasarkan+uji+pH+6+dan+pH+8+serta+uji+suhu+ruang+(28%C2%B0C)%2C+37%C2%B0+C%2C+dan+45%C2%B0+C+koloni%0D%0ALB51+lebih+dominan+untuk+tumbuh+serta+terdapat+zona+hambat+yang+dihasilkan+dari%0D%0Abakteri+uji+Bacillus+sp.+dan+E.coli.+Koloni+LB6%2C+LB29%2C+LB37%2C+LB44+dan+LB51+pada%0D%0Aantibakteri+yang+bersifat+tanpa+penetralan+mampu+menghambat+pertumbuhan%0D%0ABacillus+sp.+sedangkan+koloni+LB37+dan+LB51+pada+antibakteri+yang+bersifat+tanpa%0D%0Apenetralan+mampu+menghambat+pertumbuhan+E.coli.%0D%0AKata+kunci%3A+Vermikompos%2C+Lactobacillus+sp.+Antibakteri%0D%0A%0D%0AABSTRACT%0D%0A%0D%0ASELECTION+AND+ANTIBACTERY+CHARACTERIZATION+OF+THE%0D%0ABACTERY+Lactobacillus+sp.+FROM+VERMICOMPOS+TO+Bacillus+sp.+AND%0D%0A%0D%0AEscherichia+coli%0D%0A%0D%0ABy%0D%0A%0D%0AWAHYU+APRIA+NINGSIH%0D%0A%0D%0AVermicompost+is+one+the+organic+fertilizers+produced+from+the+fermentation+process%0D%0Aof+earthworms.+Vermicompost+is+used+as+organic+fertilizer+to+overcome+the%0D%0Aproblem+of+soil+quality+degradation+due+to+low+soil+fertility+due+to+excessive+use+of%0D%0Ainorganic+fertilizers.+The+fermentation+results+from+earthworms+will+be+decomposed%0D%0Aby+various+soil+microbes+including+Lactobacillus+sp.+Lactobacillus+sp.+is+one+genus%0D%0Aof+lactic+acid+bacteria+(LAB)+that+can+help+the+process+of+decomposing+organic%0D%0Amatter+and+can+inhibit+the+growth+of+other+bacteria+because+it+contains+compouds%0D%0Asuch+as+lactic+acid%2C+acetic+acid%2C+propionic+acid%2C+bacteriocins+and+hydrogen+peroxide.%0D%0AThe+purpose+of+this+study+was+to+select+the+growth+of+Lactobacillus+sp.+bacteria%0D%0Abased+on+pH+and+temperature+and+characterize+the+antibacterial+Lactobacillus+sp.%0D%0Aagainst+Bacillus+sp.+and+E.coli.+The+research+design+used+was+descriptive+to+see+the%0D%0Ainhibition+zone+formed.+The+measurement+method+used+is+the+disc+paper+diffusion%0D%0Amethod%2C+the+amount+of+inhibition+ability+of+antibacterial+against+the+growth+of%0D%0ABacillus+sp.+and+E.coli.+antibacterials+used+are+antibacterials+derived+from%0D%0ALactobacillus+sp.+with+antibacterial+types+without+neutralization+and+antibacterials%0D%0Awith+neutralization+using+1+M+NaOH.+Research+results+based+on+pH+6+and+pH+8%0D%0Atests+and+room+temperature+tests+(28%C2%B0+C)%2C+37%C2%B0+C%2C+and+45%C2%B0+C+LB51+colonies+are+more%0D%0Adominant+to+grow+and+there+are+inhibition+zones+produced+from+Bacillus+sp.+and%0D%0AE.coli+test+bacteria.+Colonies+LB6%2C+LB29%2C+LB37%2C+LB44+and+LB51+in+the%0D%0Aantibacterial+without+concentrating+were+able+to+inhibit+the+growth+og+Bacillus+sp.%0D%0Awhile+colonies+LB37+and+LB51+in+the+antibacterial+without+concentrating+were+able%0D%0Ato+inhibit+the+growth+of+E.coli.%0D%0AKeywords+%3A+Vermicompost%2C+Lactobacillus+sp.+Antibacterial&rft.publisher=FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM&rft.date=2024-06-05&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F83217%2F1%2FABSTRAK%2520-%2520Wahyu%2520Apria%2520Ningsih.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F83217%2F2%2FSKRIPSI%2520FULL%2520-%2520Wahyu%2520Apria%2520Ningsih.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F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