Published date: Jan 01 2016

Journal Title: KnE Life Sciences

Issue title: International conference on Agro-industry (ICoA) 2015

Pages: 107-113

DOI: 10.18502/kls.v3i3.390

Wagiman .ayuafif@ugm.ac.idDepartment of Agroindustrial Technology, Faculty of Agricultural Technology Universitas Gadjah Mada, Jl. Flora No.1 Bulaksumur 55281

Makhmudun AinuriDepartment of Agroindustrial Technology, Faculty of Agricultural Technology Universitas Gadjah Mada, Jl. Flora No.1 Bulaksumur 55281

Rinda GusvitaDepartment of Agroindustrial Technology, Faculty of Agricultural Technology Universitas Gadjah Mada, Jl. Flora No.1 Bulaksumur 55281

Jumeri .Department of Agroindustrial Technology, Faculty of Agricultural Technology Universitas Gadjah Mada, Jl. Flora No.1 Bulaksumur 55281

The aim of this research was study of E. cottonii to produce bioethanol fermentation substrate with a high reduction sugar content and low Hidroxymethilfurfural (HMF). Fermentation done by instant yeast and Saccharomyces cerevisiae culture of FNCC 3012.The best treatment was obtained in the combination of 2% of H2SO4 by time reaction of 120 minutes in 80°C produced 15.61 g/l reducing sugar and 5.03 g/l HMF. In fermented process, the hydrolysate with instant yeast starter delivered much more efficiency in 3.63 ml CO2 volume, 87.53% in fermentation efficiency, and 1.96 g/l reducing sugar on fifth day of fermentation.
Keywords: bioethanol, Eucheuma cottonii, fermentation, hydrolysis, process design

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