?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PRODUKSI+GULA+REDUKSI+SEBAGAI+BAHAN+BAKU+BIOETANOL+DARI+UMBI+TALAS+BENENG+DENGAN+METODE+HIDROLISIS+DAN+ULTRASONIKASI+SECARA+SIMULTAN&rft.creator=Tiurma+Debora+S%2C+1217011064&rft.subject=+&rft.description=Penelitian+ini+dilakukan+untuk+memberikan+kajian+informasi+mengenai+produksi+gula+reduksi+dari+umbi+talas+beneng+melalui+hidrolisis+asam+di+bawah+pengaruh+ultrasonikasi+pada+frekuensi+tetap+sebesar+40+kHz+dan+pada+pH+dan+waktu+yang+bervariasi.+Kadar+gula+reduksi+dianalisis+menggunakan+spektrofotometer+UV-Vis.+Kadar+gula+reduksi+tertinggi+(577%2C5+mg%2FL)+dihasilkan+pada+kondisi+hidrolisis+suhu+tetap+70+oC%2C+pH+1+selama+30+menit.+Hidrolisat+optimum+difermentasi+dengan+dua+agen+fermentasi+yaitu+Saccharomyces+cerevisiae+dan+kulit+kayu+raru+dan+bioetanol+dianalisis+dengan+gas+chromatography+flame+ionization+detector+(GC-FID).+Kedua+agen+fermentasi+mampu+menghasilkan+bioetanol+dengan+kadar+etanol+sebesar+0%2C0357%25+menggunakan+Saccharomyces+cerevisiae+dan+0%2C0511%25+menggunakan+kulit+kayu+raru.+Kata+kunci+%3A+talas+beneng%2C+pati%2C+hidrolisis%2C+fermentasi%2C+Saccharomyces+cerevisiae%2C+kulit+kayu+raru%2C+bioetanol.%0D%0A%0D%0AThis+research+was+conducted+to+investigate+the+production+of+reducing+sugar+from%0D%0Abeneng+taro+tuber+by+simultaneous+acid+hydrolysis+and+ultrasonication+with+a+fixed%0D%0Afrequency+of+40+kHz+at+different+pHs+and+times.+The+quantity+of+reducing+sugar%0D%0Aproduced+as+determined+using+UV-Vis+Spectrophotometer.+The+highest%0D%0Aconcentration+of+reducing+sugars+(577.5+mg+%2FL)+was+produced+from+hydrolysis%0D%0Aconditions+of+70+%C2%B0C%2C+pH+1+for+30+minutes.+Fermentations+of+the+hydrolizates+were%0D%0Acarried+out+using+Saccharomyces+cerevisiae+and+bark+of+raru+tree+and+the%0D%0Abioethanol+produced+as+analysed+using+gas+chromatography+flame+ionization%0D%0Adetector+(GC-FID).+Both+agents+were+able+to+produce+bioethanol+with+the%0D%0Aconcentration+of+0.0357%25+using+Saccharomyces+cerevisiae+and+0.0511%25+using%0D%0Abark+of+raru+tree.%0D%0AKeywords+%3A+beneng+taro%2C+starch%2C+hydrolysis%2C+fermentation%2C+Saccharomyces%0D%0Acerevisiae%2C+bark+of+raru+tree%2C+bioethanol.&rft.publisher=Fakultas+MIPA&rft.date=2016-06-27&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F23126%2F3%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F23126%2F1%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F23126%2F2%2FSKRIPSI%2520FULL%2520%2528TANPA%2520BAB%2520IV%2529.pdf&rft.identifier=++Tiurma+Debora+S%2C+1217011064++(2016)+PRODUKSI+GULA+REDUKSI+SEBAGAI+BAHAN+BAKU+BIOETANOL+DARI+UMBI+TALAS+BENENG+DENGAN+METODE+HIDROLISIS+DAN+ULTRASONIKASI+SECARA+SIMULTAN.++Fakultas+MIPA%2C+Universitas+Lampung.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F23126%2F