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It is believed that feedstock for biofuel production should not constitute any form of competition in terms of food security, therefore the study considered the bioethanol potential comparison of a particular breed of palm commonly referred to as nypa palm ( Nypa fruticana ) which is usually of environmental concern in mangrove vegetation zones with two other species namely the raphia palm ( Raphia hookeria ) and oil palm ( Ealasis guinesis ) which are considered as having economic value. A catalysed fermentation process was carried out using Saccharomyces cerevisiae over a periods of 24, 48, 72, 96, 120, 144 and 168 hrs at room temperature. At peak production the bioethanol from Nypa palm specie had 38.6 and 37.9% more ethanol concentration than the oil and raffia palms respectively. The biomas concentration in the nypa palm sap sample after the fermentation period were about 26.7 and 29.5%  higher than what was obtainable in the oil and raffia palms.  The fermentation efficiency for the three samples was observed to be 90.2, 84.5 and 87.3% for nypa, oil and raffia palms respectively. It can be concluded from results obtained that nypa palm offered the highest bioethanol production potential, thus could offer a good source of non-competitive feedstock for renewable energy production in Nigeria where the plant is usually viewed as an environmental nuisance and in some extreme cases maritime hazard. Keywords — Alcoholmeter, Bioethanol, Fermentation Efficiency, Feed Stock, Nypa Palm

Effects of Fermentation Duration on Bio-Ethanol Yield from Cell Sap of Selected Palm Species in Nigeria