?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=OPTIMASI+BIO-PRETREATMENT+JERAMI+PADI+SECARA%0D%0AFERMENTASI+FASE+PADAT+OLEH+ISOLAT%0D%0AACTINOMYCETES+AcP-1+DAN+AcP-7+(BIO-PRETREATMENT+OPTIMIZATION+IN+RICE+STRAW+SOLID%0D%0ASTATE+FERMENTATION+BY+ACTINOMYCETES%0D%0AAcP-1+AND+AcP-7+ISOLATE)&rft.creator=Agus%2C+MAJID+RIMBANI&rft.subject=Q+Science+(General)&rft.subject=QD+Chemistry&rft.description=Jerami+padi+merupakan+biomassa+berlignoselulosa+yang+banyak+ditemukan+di+Indonesia.+Upaya+peningkatan+nilai+ekonomis+dari+jerami+padi+banyak+dilakukan+antara+lain+dengan+memanfaatkannya+sebagai+sumber+gula+pereduksi+yang+dapat+digunakan+sebagai+transisi+produk+senyawa+kimia+lainnya+seperti+etanol%2C+asam+sitrat%2C+asam+asetat+dan+produk+fermentasi+lainnya.+Penelitian+ini+dilakukan+untuk+memecahkan+permasalahan+pretreatment+jerami+padi+secara+biologi+yaitu+dengan+mengurangi+kandungan+lignin+pada+jerami+padi+sehingga+proses+hidrolisis+hemiselulosa+dan+selulosa+menjadi+lebih+efektif.+Dua+perlakuan+diberikan+masing-masing+waktu+fermentasi+dan+perbedaan+pH+untuk+memperoleh+kondisi+optimum+dengan+melihat+beberapa+parameter+kimia+sebagai+indikator.+Dua+isolat+Actinomycetes+AcP-1+dan+AcP-7%2C+yang+digunakan+masing-masing+sebagai+agen+biologi+bio-pretreatment+menunjukkan+waktu+optimum+yang+sama+yaitu+pada+hari+ke-15+dan+pada+pH+7%2C5.+Kesimpulan+ini+diambil+dari+parameter+kimia+yang+menunjukkan+nilai+optimum+pada+waktu+dan+pH+parameter+yang+diujikan.+Hasil+pengukuran+beberapa+parameter+kimia+pada+kondisi+fermentasi+optimum+oleh+isolat+AcP-1+untuk+pencapaian+APPL+sebesar+33%2C2+mg%2Fg+substrat%2C+kandungan+lignin+pada+substrat+menurun+7%2C15%25%2C+kandungan+selulosa+pada+substrat+menurun+10%2C4+%25%2C+aktivitas+ligninase+optimum+sebesar+1%2C05+U%2FmL%2C+aktivitas+xilanase+optimum+sebesar+0%2C575+U%2FmL%2C+aktivitas+selulase+optimum+sebesar+0%2C77+U%2FmL.+Sedangkan+hasil+pengukuran+beberapa+parameter+kimia+oleh+isolat+AcP-7+untuk+pencapaian+APPL+sebesar+35%2C8+mg%2Fg+substrat%2C+kandungan+lignin+pada+substrat+menurun+8%2C66+%25%2C+kandungan+selulosa+pada+substrat+menurun+10%2C91+%25%2C+aktivitas+ligninase+optimum+sebesar+0%2C71+U%2FmL%2C+aktivitas+xilanase+optimum+sebesar+0%2C48+U%2FmL%2C+aktivitas+selulase+optimum+sebesar+0%2C63+U%2FmL.%0D%0AKata+kunci%3A+lignoselulosa%2C+bio-pretreatment%2C+isolat+Actinomycetes+AcP-1+dan+AcP-7+(Rice+straw+waste+is+most+abundant+ligno-cellulosic+biomass+in+Indonesia.+Efforts+to+increase+the+economic+value+of+rice+straw+is+done+by+converting+the+polymer+into+simple+sugars+that+could+be+utilized+as+a+transition+in+the+field+of+biotechnology+products.+This+study+was+conducted+to+reduce+the+lignin+content+in+rice+straw+in+which+hemicellulose+and+cellulose+hydrolysis+in+order+to+be+more+effective.+Two+condition+in+fermentation+has+been+set+up%2C+each+time+of+incubation+and+different+pH%2C+to+obtain+optimum+condition+fermentation+by+two+isolate+Actinomycetes+Acp-1+and+AcP-7.+Result+of+this+treatment+show+that+optimum+condition+reach+at+15th+day+fermentation+and+pH+7%2C5.+Some+of+chemical+parameter+which+are+used+as+guide+to+obtain+the+optimum+fermentation+condition+have+reached+the+peak+at+this+condition.+Fermentation+by+Actinomycetes+AcP-1+isolat+has+optimum+performance+on+APPL+was+33%2C2+mg+g-1+substrate%2C+decrease+of+lignin+content+was+7%2C15+%25%2C+decrease+of+cellulose+content+was+10%2C4+%25%2C+ligninase+activity+1%2C05+UmL-1+xylanase+activity+was+0%2C58+UmL-1%2C+and+cellulase+activity+was+0%2C77+UmL-1+respectively.+On+the+other+hand%2C+fermentation+by+Actinomycetes+AcP-7+isolat+has+optimum+performance+on+APPL+was+35%2C8+mg+g-1+substrate%2C+decrease+of+lignin+content+was+8%2C66+%25%2C+decrease+of+cellulose+content+was+10%2C91+%25%2C+ligninase+activity+0%2C71+U+mL-1+xylanase+activity+was+0%2C48+U+mL-1%2C+and+cellulase+activity+was+0%2C63+U+mL-1+respectively.%0D%0AKey+words%3A+ligno-cellulosic%2C+bio-pretreatment%2C+Actinomycetes+AcP-1+and+AcP-7+isolate.)&rft.publisher=Fakultas+MIPA&rft.date=2013-09-23&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F903%2F1%2FCOVER%2520DALAM.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F903%2F2%2FABSTRACT.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F903%2F3%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F903%2F4%2FHALAMAN%2520MENYETUUI.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F903%2F5%2FHALAMAN%2520PENGESAHAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F903%2F6%2FDAFTAR%2520ISI.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F903%2F7%2FBAB%2520I.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F903%2F8%2FBAB%2520II.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F903%2F9%2FBAB%2520III.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F903%2F10%2FBAB%2520IV.pdf&rft.f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