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International Journal of Basic Science and Technology

A publication of the Faculty of Science, Federal University Otuoke, Bayelsa State

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Archive | ISSUE: , Volume: Apr-Jun-2025

Investigating the Fungal and Physicochemical Parameters During the Fermentation of Plantain (Musa paradisiaca) Peels to Bioethanol


Author:Alabere, A.

published date:2025-Sep-01

FULL TEXT in - | page 55 - 60

Abstract

The growing reliance on fossil fuels has led to numerous environmental challenges and exacerbated climate change, underscoring the need for alternative, affordable, renewable, and eco-friendly bioenergy sources. This study examined the fungal and physicochemical parameters involved in the fermentation of bioethanol from plantain (Musa paradisiaca) peels in Bayelsa State, Nigeria. Musa paradisiaca peels were selected for this research due to their availability in large quantities as waste products in the region. The fermentation process was carried out in two setups: one using A. niger and the other using S. cerevisiae. Over a 12-day fermentation period, bioethanol was recovered via distillation on the 13th day. The fermentation process was closely monitored, with fungal and physicochemical parameters (temperature, pH, specific gravity, and alcohol content) analyzed using standard methods. Results indicated an increase in total fungal count from 3.1 × 10² to 3.5 × 10² CFU/mL from days 1 to 3, followed by a decrease from 3.5 × 10² to 0 CFU/mL from day 3 to the end of distillation for the setup fermented by Aspergillus niger. Similarly, the fungal count for the Saccharomyces cerevisiaesetup increased from 3.2 × 10² to 3.5 × 10² CFU/mL from days 1 to 3 and then decreased from 3.5 × 10² to 0 CFU/mL after distillation. Throughout the fermentation, the temperature rose from 25.00°C to 30.35°C, while the pH decreased from 5.50 to 3.85. Specific gravity decreased from 1.018 to 0.436, resulting in an increase in alcohol content from 1.50% to 45.00% for the Aspergillus niger setup and from 1.60% to 50.00% for the S. cerevisiae setup. This study demonstrates that bioethanol can be effectively produced from Musa paradisiaca peels using A. niger and S. cerevisiae as fermenting agents.

Keywords: Bioethanol, Fermentation, Plantain (Musa paradisiaca) peels, Aspergillus niger,

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