Energies 2010, 3(4), 607-618; doi:10.3390/en3040607
Article

Investigating “Egusi” (Citrullus Colocynthis L.) Seed Oil as Potential Biodiesel Feedstock

1 Alternative and Renewable Energy Laboratory, Institute of Advanced Technology (ITMA)/Mechanical and Manufacturing Engineering Department, Faculty of Engineering, Universiti Putra Malaysia, 43400, Serdang Darul Ehsan, Selangor, Malaysia 2 Chemical and Environmental Engineering Department, Faculty of Engineering, Universiti Putra Malaysia, 43400, Serdang Darul Ehsan, Selangor, Malaysia 3 Laboratory of Biopolymer and Derivatives, Institute of Tropical Forestry and Forest Products (INTROP), Universiti Putra Malaysia, 43400, Serdang Darul Ehsan, Selangor, Malaysia
* Author to whom correspondence should be addressed.
Received: 22 October 2009; in revised form: 31 December 2009 / Accepted: 15 January 2010 / Published: 30 March 2010
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Abstract: Biodiesel’s acceptance as a substitute for fossil-derived diesel has grown the world over. However, the food-fuel debate over conventional vegetable oils has rekindled research interest in exploring lesser known and minor oil crops. In this work, egusi melon seed oil was studied for the first time as a potential feedstock for biodiesel production. Crude egusi melon seed oil was transesterified using sodium methoxide as the catalyst at 60 °C and an oil/methanol ratio of 1:6 to produce its corresponding methyl esters. Egusi melon oil methyl ester (EMOME) yield was 82%. Gas chromatographic analysis of EMOME showed that it was composed mainly of palmitic, stearic, oleic, linoleic and linolenic esters, which is similar to the profile of sunflower, soybean and safflower oil. All the measured fuel properties of EMOME satisfied both the ASTM D6751 and the EN 14214 biodiesel standards. Fuel properties of EMOME were essentially identical with those of soybean, safflower and sunflower biodiesel. Remarkably, the kinematic viscosity of EMOME was measured to be 3.83 mm2/s, a value lower than most biodiesel fuels reported in the literature. The potential of egusi melon seed oil as a biodiesel feedstock is clearly presented in this study.
Keywords: biodiesel; fuel properties; egusi; melon seed oil; crude oil

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MDPI and ACS Style

Giwa, S.; Abdullah, L.C.; Adam, N.M. Investigating “Egusi” (Citrullus Colocynthis L.) Seed Oil as Potential Biodiesel Feedstock. Energies 2010, 3, 607-618.

AMA Style

Giwa S, Abdullah LC, Adam NM. Investigating “Egusi” (Citrullus Colocynthis L.) Seed Oil as Potential Biodiesel Feedstock. Energies. 2010; 3(4):607-618.

Chicago/Turabian Style

Giwa, Solomon; Abdullah, Luqman Chuah; Adam, Nor Mariah. 2010. "Investigating “Egusi” (Citrullus Colocynthis L.) Seed Oil as Potential Biodiesel Feedstock." Energies 3, no. 4: 607-618.

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