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Rupilu, Novi Soleman
University of Brawijaya
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Immunology & microbiology

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Isolation, Identification and Ethanol Production of Indigenous Yeast of Toddy Palm (Borassus Flabellifer L.) Juice From Tuban, East Java, Indonesia Wiratno, Ekwan Nofa; Rupilu, Novi Soleman
Biotropika: Journal of Tropical Biology Vol 6, No 1 (2018)
Publisher : University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (204.075 KB) | DOI: 10.21776/ub.biotropika.2018.006.01.2

Abstract

This study aimed to obtain and identify the indigenous yeasts isolated from Borassus flabellifer L. juice and its potency in ethanol production. Steps of this study included isolation, enumeration, characterization, identification and ethanol production and measurement of ethanol concentrations and medium acidity during fermentation. The yeast total isolated from Borassus flabellifer L. juice was 5.06 x 105 CFU/mL and the isolate U2 was phenotypically identified as Candida tropicalis (95.7% ID and T = 1). The pH level of medium decreased during the ethanol fermentation. Yeast isolate U2 was able to produce ethanol by 140.1 g/L using 50 g/L of glucose and it was not significantly different with ethanol yield fermented by Saccharomyces cerevisiae (148.6 g/L).
Co-Authors ekwan nofa wiratno