?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=BIOKONVERSI+ONGGOK+UBI+KAYU+MENJADI+PRODUK+%0D%0AINTERMEDIET+MENGGUNAKAN+ISOLAT+PENGHASIL+ENZIM+%0D%0AAMILASE+DAN+SELULASE+SCWB-7+&rft.creator=Melina+Putri+Ahmad+%2C+1517011078&rft.subject=540+Kimia+dan+ilmu+yang+berhubungan&rft.description=The+second+generation+of+bioethanol+utilizes+lignocellulosic+biomass+waste+as+raw+%0D%0Amaterial%2C+which+one+of+them+is+onggok.+This+research+aims+to+obtain+bacteria+that+%0D%0Ahave+amylolytic+and+cellulolytic+activities+and+it+could+be+applied+to+convert+%0D%0Aonggok+into+intermediate+products+such+as+glucose.+The+steps+of+this+research+%0D%0Ainclude+the+process+of+characterization+composition+of+onggok+substrate%2C+isolation+%0D%0Aof+bacteria+that+have+amylolytic+and+cellulolytic+activities%2C+determination+of+%0D%0Aoptimum+time+and+pH+for+hydrolysis%2C+determination+concentration+of+protein%2C+and+%0D%0Aeffectiency+of+hydrolysis+of+onggok+biomass.+The+results+showed+that+cassava+%0D%0Aonggok+used+composed+of+37%2C02%25+starch+and+46%2C10%25+cellulose.+One+of+the+isolates+%0D%0Afrom+bacterial+isolation+(SCWB-7)+that+obtained+from+onggok+had+an+amylolytic+%0D%0Aindex+of+1+and+a+cellulolytic+index+of+4.+The+production+of+amylase+and+cellulase+%0D%0Aenzymes+have+similar+optimum+conditions%2C+at+pH+7+and+48+hours.+The+highest+%0D%0Aamylase+activity+was+24%2C53+U%2FmL+with+a+specific+activity+of+64%2C60+U+%2F+mg%2C+%0D%0Afurthermore+the+highest+cellulase+activity+was+1%2C60+U%2FmL+with+the+specific+activity+%0D%0Aof+3%2C62+U%2Fmg.+Two+types+of+medium+were+applied+to+determine+the+effectiveness+%0D%0Ahydrolysis+of+onggok%2C+the+composition+of+nutrient+broth+(NB)+medium+and+mineral+%0D%0Amedium+respectively.+Both+of+these+medium+were+added+by+4%25+cassava+flour.+%0D%0ATotal+glucose+produced+in+NB+medium+was+1%2C77+grams+higher+than+in+mineral+%0D%0Amedium+of+1%2C62+grams.+The+degree+of+effectiveness+of+hydrolysis+could+also+be+seen+%0D%0Afrom+the+difference+in+glucose+yield%2C+which+are+in+the+NB+media+was+95%2C99%25+and+in+%0D%0Amineral+media+was+87%2C96%25.%0D%0AKeywords%3A+bioconversion%2C+onggok%2C+indigenous+bacteria%2C+amylase%2C+cellulase%0D%0A%0D%0AGenerasi+kedua+bioetanol+memanfaatkan+residu+biomassa+berlignoselulosa+sebagai+%0D%0Abahan+baku%2C+salah+satunya+onggok+ubi+kayu.+Penelitian+ini+bertujuan+untuk+%0D%0Amendapatkan+bakteri+yang+memiliki+aktivitas+amilolitik+dan+selulolitik+yang+dapat+%0D%0Adimanfaatkan+untuk+menkonversi+onggok+ubi+kayu+menjadi+produk+intermediet+%0D%0Aberupa+glukosa.+Tahap+penelitian+ini+meliputi+proses+karakterisasi+substrat+onggok+%0D%0Aubi+kayu%2C+isolasi+bakteri+yang+memiliki+aktivitas+amilolitik+dan+selulolitik%2C+%0D%0Apenentuan+waktu+dan+pH+optimum%2C+penetuan+kadar+protein%2C+dan+efesienshidrolisis+%0D%0Abiomassa+onggok+ubi+kayu.+Hasil+penelitian+menunjukkan+onggok+ubi+kayu+yang+%0D%0Adigunakan+memiliki+kandungan+37%2C02%25+amilum+dan+46%2C10%25+selulosa.+Salah+satu+%0D%0Aisolat+hasil+isolasi+bakteri+(SCWB-7)+yang+diperoleh+dari+onggok+ubi+kayu+%0D%0Amemiliki+indeks+amilolitik+sebesar+1+dan+indeks+selulolitik+sebesar+4.+Produksi+%0D%0Aenzim+amilase+dan+selulase+berada+pada+kondisi+optimum+yang+sama+yaitu+pada+pH+%0D%0A7+dan+waktu+produksi+48+jam.+Aktivitas+amilase+tertinggi+sebesar+24%2C53+U%2FmL+%0D%0Adengan+aktivitas+spesifik+sebesar+64%2C60+U%2Fmg%2C+sedangkan+aktivitas+selulase+tertinggi+%0D%0Asebesar+1%2C60+U%2FmL+dengan+aktivitas+spesifik+sebesar+3%2C62+U%2Fmg.+Dua+jenis+media+%0D%0Adigunakan+untuk+mengevaluasi+efektivitas+hidrolisis+onggok+ubi+kayu+yaitu+media+%0D%0Anutrient+broth+(NB)+dan+media+mineral.+Kedua+media+tersebut+ditambahkan+4%25+%0D%0Atepung+onggok+ubi+kayu.+Total+glukosa+yang+dihasilkan+pada+media+NB+lebih+%0D%0Atinggi+sebesar+1%2C77+gram+dibandingkan+pada+media+mineral+sebesar+1%2C62+gram.+%0D%0ATingkat+efektivitas+hidrolisis+juga+dapat+dilihat+dari+perbedaan+yield+glukosa%2C+pada+%0D%0Amedia+NB+dihasilkan+yield+glukosa+sebesar+95%2C99%25+dan+pada+media+mineral+%0D%0Asebesar+87%2C96%25.+%0D%0AKata+kunci%3A+biokonversi%2C+onggok+ubi+kayu%2C+bakteri+indigenous%2C+amilase%2C+selulase.%0D%0A&rft.publisher=Fakultas+Matematika+dan+Ilmu+Pengetahuan+Alam&rft.date=2019&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F57083%2F1%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F57083%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F57083%2F3%2FABSTRAK.pdf&rft.identifier=++Melina+Putri+Ahmad+%2C+1517011078++(2019)+BIOKONVERSI+ONGGOK+UBI+KAYU+MENJADI+PRODUK+INTERMEDIET+MENGGUNAKAN+ISOLAT+PENGHASIL+ENZIM+AMILASE+DAN+SELULASE+SCWB-7.++Fakultas+Matematika+dan+Ilmu+Pengetahuan+Alam%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F57083%2F