?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=BIO-DEGRADASI+SELULOSA+HASIL+BIO-PRETREATMENT+JERAMI%0D%0APADI+SECARA+FERMENTASI+PADAT+MENGGUNAKAN+ISOLAT%0D%0AACTINOMYCETES+AcP-1+DAN+AcP-7+(BIODEGRADATION+OF+CELLULOSE+IN+SOLID+STATE%0D%0AFERMENTATION+PRE-TREATED+RICE+STRAW+BY%0D%0AACTINOMYCETES+AcP-1+AND+AcP-7+ISOLATE&rft.creator=Anwar%2C+Ahmad+Ruzki&rft.subject=Q+Science+(General)&rft.subject=QD+Chemistry&rft.description=Selulosa+merupakan+komponen+utama+penyusun+dinding+sel+tanaman.+Seperti%0D%0Apada+limbah+jerami+padi%2C+diketahui+kandungan+selulosa+mencapai+34%2C2%25+berat%0D%0Akering.+Upaya+peningkatan+nilai+ekonomis+dari+jerami+padi+banyak+dilakukan%0D%0Aantara+lain+memanfaatkanya+sebagai+sumber+gula+pereduksi+yang+dapat+digunakan%0D%0Asebagai+transisi+produk+senyawa+kimia+lainnya+seperti+etanol%2C+asam+sitrat%2C+asam%0D%0Aasetat+dan+produk+fermentasi+lainnya.+Penelitian+dilakukan+untuk+mengetahui%0D%0Aadanya+gula+pereduksi+yang+dihasilkan+dari+substrat+jerami+padi+hasil+biopretreatment%0D%0Ayaitu+dengan+mendegradasi+kandungan.+Dua+perlakuan+diberikan%0D%0Amasing-masing+waktu+fermentasi+dan+variasi+pH+dengan+perbandingan%0D%0Asubstrat%3Abuffer+(1%3A3)+untuk+memperoleh+kondisi+optimum+dengan+melihat%0D%0Abeberapa+parameter+kimia+sebagai+indikator.+Dua+isolat+Actinomycetes+AcP-1+dan%0D%0AAcP-7%2C+yang+digunakan+masing-masing+sebagai+agen+biologi+menunjukkan+waktu%0D%0Aoptimum+yang+sama+yaitu+pada+hari+ke-12+dan+pada+pH+7%2C5.+Kesimpulan+ini%0D%0Adiambil+dari+parameter+kimia+yang+menunjukkan+nilai+optimum+pada+waktu+dan%0D%0ApH+parameter+yang+diujikan.+Hasil+pengukuran+beberapa+parameter+kimia+pada%0D%0Akondisi+fermentasi+optimum+oleh+isolat+AcP-1+untuk+kandungan+selulosa+pada%0D%0Asubstrat+menurun+10%2C595+%25+dan+aktivitas+enzim+selulase+optimum+sebesar+1%2C164%0D%0AU%2FmL.+Sedangkan+hasil+pengukuran+beberapa+parameter+kimia+oleh+isolat+AcP-7%0D%0Auntuk+kandungan+selulosa+pada+substrat+menurun+10%2C580+%25%2C+aktivitas+selulase%0D%0Aoptimum+sebesar+0%2C997+U%2FmL.+Berdasarkan+kondisi+optimum+yang+diperoleh%0D%0Aproduk+fermentasi+dianalisis+dengan+metode+DNS+dan+KCKT.+Hasil+analisis+gula%0D%0Apereduksi+total+dilakukan+dengan+metode+DNS+oleh+isolat+AcP-1+sebesar+15%2C134%0D%0Amg%2FmL+dan+oleh+isolat+AcP-7+sebesar+14%2C803+mg%2FmL.+Sementara+dengan+metode%0D%0AKCKT+diperoleh+glukosa+pada+waktu+retensi+8%2C911+menit+untuk+isolat+AcP-1+dan%0D%0A8%2C904+menit+untuk+isolat+AcP-7.%0D%0AKata+Kunci%3A+selulosa%2C+bio-pretreatment%2C+isolat+Actinomycetes+AcP-1+dan+AcP-7.+(Cellulose+is+primary+component+of+plant+cells+wall%2C+in+which+in+rice+straw+the%0D%0Acontent+of+reach+34%25+repectively.+Efforts+to+increase+the+economic+value+of+rice%0D%0Astraw+is+done+by+converting+the+polymer+into+simple+sugars+that+could+be+utilized%0D%0Aas+a+transition+in+the+field+of+biotechnology+products.+This+study+was+conducted+to%0D%0Aoptimize+rice+straw+pre-treated+hydrolysis+process+and+to+characterize+reducing%0D%0Asugar+content+that+release+in+process.+Two+condition+in+fermentation+has+been+set%0D%0Aup%2C+each+time+of+incubation+and+different+pH%2C+to+obtain+optimum+condition%0D%0Afermentation+by+two+isolate+actinomycetes+AcP-1+and+AcP-7.+Result+of+this%0D%0Atreatment+show+that+optimum+condition+were+reached+at+12nd+day+fermentation+in%0D%0ApH+7%2C5.+Some+of+chemical+parameter+which+are+used+as+guide+to+obtain+the%0D%0Aoptimum+fermentation+condition+have+reached+the+peak+at+this+condition.%0D%0AFermentation+by+actinomycetes+AcP-1+isolat+has+optimum+performance+on%0D%0Adecreasing+of+cellulose+content+was+10%2C595%25%2C+and+cellulase+activity+was+1%2C164+U%0D%0AmL-1+respectively.+On+the+other+hand%2C+fermentation+by+actinomycetes+AcP-7+isolat%0D%0Ahas+optimum+performance+on+decreasing+of+cellulose+content+was+10%2C580%25%2C+and%0D%0Acellulase+activity+was+0%2C997+U+mL-1+respectively.+Reducing+sugar+which+analyzed%0D%0Aby+DNS+method+shows+that+hydrolysis+by+AcP-1+isolate+release+reducing+sugar%0D%0Aat15%2C134+mg+mL-1%2C+and+AcP-7+isolate+at+14%2C803+mg+mL-1.+In+addition%2C+retention%0D%0Atime+of+glucose+from+both+of+fermentation+filtrates+was+slighty+different.%0D%0AChromatogram+from+HPLC+analyze+shows+for+AcP-1+filtrate+the+retention+time%0D%0Apeak+at+8%2C911+minute%2C+however+AcP-7+filtrate+at+8%2C911.%0D%0AKey+words+%3A+cellulose%2C+reducing+sugar%2C+actinomycetes+AcP-1+and+AcP-7+isolate.)&rft.publisher=Fakultas+MIPA&rft.date=2013&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F897%2F1%2FCOVER%2520DALAM.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F897%2F2%2FABSTRACT.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F897%2F3%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F897%2F4%2FHALAMAN%2520MENYETUJUI.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F897%2F5%2FHALAMAN%2520PENGESAHAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.a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