?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=BIOKONVERSI+PATI-SELULOSA+PADA+LIMBAH+KULIT+SINGKONG+%0D%0AMENJADI+PRODUK+INTERMEDIET+MENGGUNAKAN+ISOLAT+%0D%0AINDIGENOUS+BAKTERI+TERPILIH&rft.creator=WIDYA+SUSANTI%2C+1517011082&rft.subject=540+Kimia+dan+ilmu+yang+berhubungan&rft.description=Cassava+peel+is+one+of+agricultural+waste+that+has+not+been+uttilized+optimally.%0D%0ACassava+peel+waste+contains+starch+and+cellulose+which+could+be+converted+into+%0D%0Areducing+sugar+through+acid+hydrolysis+or+fermentation+process.+This+research+has+%0D%0Apurpose+to+convert+cassava+peel+waste+into+intermediate+products+using%0D%0Abioconversion+process+by+selected+indigenous+bacteria.+The+steps+of+experiments%0D%0Awere+the+characterization+composition+of+cassava+peel+substrate%2C+isolation+of+%0D%0Aindigenous+bacteria%2C+screening+of+amylolytic+and+cellulolytic+bacteria%2C+%0D%0Adetermination+of+optimum+time+and+pH+in+the+production+of+amilase+and+cellulase+%0D%0Aenzymes%2C+determination+of+enzyme+specific+activities+and+hydrolysis+of+biomass+%0D%0Ausing+selected+isolates+sequently.+The+results+showed+that+cassava+peel+contained+%0D%0A67.5%25+cellulose+23.69%25+starch%2C+and+9.39%25+other+compounds.+Isolation+of+%0D%0Aindigenous+bacteria+obtained+by+one+isolate%2C+namely+SCWB-13+which+has+an+%0D%0Aamylolytic+and+cellulolytic+indexes+at+5.33+and+3.4+respectively.+Determination+of+%0D%0Aoptimum+conditions+showed+amilase+and+cellulase+optimum+activity+at+pH+7+and+%0D%0Afermentation+time+of+48+hours+with+the+highest+amilase+enzyme+unit+activity+of+%0D%0A20.61+U+%2F+mL+and+specific+activity+of+53.94+U+%2F+mg+while+the+activity+of+cellulase+%0D%0Aenzyme+units+was+1.60+U+%2F+mL+and+specific+activity+8%2C19+U+%2F+mg.+Effectiveness+of+%0D%0Athe+hydrolysis+of+cassava+peels+on+Nutrient+Broth+(NB)+media+and+mineral+media+%0D%0Ausing+4%25+cassava+peel+flour+showed+in+mineral+media+having+a+higher+total+%0D%0Aglucose+which+is+1556.2+mg+compared+with+NB+media.+The+level+of+effectiveness+%0D%0Aof+hydrolysis+in+mineral+media+was+produced+77.8%25+in+yield+of+glucose.+Based+on+%0D%0Athe+results+of+the+study+concluded+that+the+isolate+SCWB-13+has+a+good+ability+in+%0D%0Abioconversion+of+starch-cellulose+on+cassava+peel.%0D%0AKeywords%3A+Bioconversion%2C+cassava+peel+waste%2C+indigenous+bacteria%2C+amilase%2C+%0D%0Acellulases%0D%0A%0D%0AKulit+singkong+merupakan+salah+satu+limbah+pertanian+yang+belum+dimanfaatkan+%0D%0Asecara+optimal.+Limbah+kulit+singkong+mengandung+amilum+dan+selulosa+yang+%0D%0Adapat+dikonversi+melalui+proses+hidrolisis+asam+atau+fermentasi.+Penelitian+ini+%0D%0Abertujuan+untuk+mengkonversi+limbah+kulit+singkong+menjadi+produk+intermediet+%0D%0Amenggunakan+bakteri+indigenous+terpilih.+Tahapan+penelitian+yang+dilakukan+%0D%0Ayaitu+karakterisasi+substrat+kulit+singkong%2C+isolasi+bakteri+indigenous%2C+penapisan+%0D%0Abakteri+amilolitik+dan+selulolitik%2C+penentuan+waktu+dan+pH+optimum+pada+%0D%0Aproduksi+enzim+amilase+dan+selulase%2C+penentuan+aktivitas+spesifik+enzim+dan+%0D%0Ahidrolisis+biomassa+menggunakan+isolat+terpilih.+Hasil+penelitian+menunjukkan+%0D%0Abahwa+kulit+singkong+mengandung+67%2C5%25%2C+selulosa+23%2C69%25+amilum%2C+dan+9%2C39%25+%0D%0Asenyawa+lainnya.+Hasil+isolasi+bakteri+indigenous+diperoleh+satu+isolat+yaitu%0D%0ASCWB-13+yang+memiliki+indeks+amilolitik+5%2C33+dan+indeks+selulolitik+3%2C4.+%0D%0APenentuan+kondisi+optimum+menunjukkan+aktivitas+optimum+amilase+dan+selulase+%0D%0Apada+pH+7+dan+waktu+fermentasi+48+jam+dengan+aktivitas+unit+enzim+amilase+%0D%0Atertinggi+20%2C61+U%2FmL+dan+aktivitas+spesifiknya+53%2C94+U%2Fmg+sedangkan+aktivitas%0D%0Aunit+enzim+selulase+tertingginya+1%2C60+U%2FmL+dan+aktivitas+spesifik+8%2C19+U%2Fmg.+%0D%0AEfektivitas+hidrolisis+kulit+singkong+pada+media+Nutrient+Broth+(NB)+dan+media+%0D%0Amineral+menggunakan+tepung+kulit+singkong+4%25+menunjukkan+pada+media+%0D%0Amineral+memiliki+total+glukosa+yang+lebih+tinggi+yaitu+1556%2C2+mg+dibandingkan+%0D%0Adengan+media+NB.+Tingkat+efektivitas+hidrolisis+dalam+media+mineral+%0D%0Amenghasilkan+77%2C8%25+yield+glukosa.+Berdasarkan+hasil+penelitian+disimpulkan+%0D%0Abahwa+isolat+SCWB-13+memiliki+kemampuan+yang+baik+dalam+biokonversi+pati%EF%BF%BDselulosa+pada+kulit+singkong.%0D%0AKata+kunci%3A+Biokonversi%2C+limbah+kulit+singkong%2C+bakteri+indigenous%2C+amilase%2C+%0D%0Aselulase%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%2F56566%2F3%2F1.%2520ABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F56566%2F2%2F2.%2520SKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F56566%2F1%2F3.%2520SKRIPSI%2520FULL%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++WIDYA+SUSANTI%2C+1517011082++(2019)+BIOKONVERSI+PATI-SELULOSA+PADA+LIMBAH+KULIT+SINGKONG+MENJADI+PRODUK+INTERMEDIET+MENGGUNAKAN+ISOLAT+INDIGENOUS+BAKTERI+TERPIL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