International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
Open Access | Fully Refereed | Peer Reviewed

ISSN: 2319-7064




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Research Paper | Biochemistry Science | Nigeria | Volume 3 Issue 8, August 2014


Bioethanol Production from Ziziphus abyssinica Agroresidues: a Comparison of Effect of Different Pretreatment Approaches on Amount of Glucose

Samson Baranzan Wayah, Waheedah Abdallah


Abstract: The aim of this research was to optimize bioethanol production from Ziziphus abyssinica agroresidues (inner stone). Proximate composition of the agroresidues was determined. Seven pretreatment approaches comprising of single-step (Aspergillus niger, sodium hydroxide, sulphuric acid) and multi-step (sodium hydroxide + A. niger, sulphuric acid + A. niger, sulphuric acid + sodium hydroxide, sulphuric acid + sodium hydroxide + A. niger) were carried out. Fermentation was carried out for three (3) days using Saccharomyces cerevisiae. Proximate analysis of these agroresidues revealed that it contain high amount of crude fibre (35.59 %) and non-fibrous carbohydrates (36.60 %) making it potential feedstock for bioethanol production. Pretreatment with dilute sulphuric acid produced the highest amount of glucose (286.80 mg/g biomass) while the unpretreated biomass yielded the lowest amount of glucose (10.87 mg/g biomass). Fermentation under optimized condition yielded bioethanol of concentration 4.5133 % (v/v).


Keywords: Pretreatment, Bioethanol, Ziziphus abyssinica, Agroresidues, Glucose


Edition: Volume 3 Issue 8, August 2014,


Pages: 700 - 704


How to Cite this Article?

Samson Baranzan Wayah, Waheedah Abdallah, "Bioethanol Production from Ziziphus abyssinica Agroresidues: a Comparison of Effect of Different Pretreatment Approaches on Amount of Glucose", International Journal of Science and Research (IJSR), https://www.ijsr.net/get_abstract.php?paper_id=2015325, Volume 3 Issue 8, August 2014, 700 - 704

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