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JXB Advance Access published online on February 13, 2009
Journal of Experimental Botany, doi:10.1093/jxb/erp025
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© The Author [2009]. Published by Oxford University Press [on behalf of the Society for Experimental Biology]. All rights reserved. For Permissions, please e-mail: journals.permissions@oxfordjournals.org

REVIEW-ARTICLE

Potential of Jatropha curcas as a source of renewable oil and animal feed

Andrew J. King1, Wei He1, Jesús A. Cuevas2, Mark Freudenberger3, Danièle Ramiaramanana4 and Ian A. Graham1,*

1Centre for Novel Agricultural Products, Department of Biology, University of York, Heslington, York YO10 5YW, UK
2Universidad Autónoma Chapingo, Chapingo 56230, Mexico
3Ecoregional Initiatives Fianarantsoa, BP 1068, Fianarantsoa 301, Madagascar
4FOFIFA Fianarantsoa, PO Box 206, Fianarantsoa, Madagascar

* To whom correspondence should be addressed: E-mail: iag1{at}york.ac.uk

Jatropha curcas (L.) is a perennial plant of the spurge family (Euphorbiaceae). Recently, it has received much attention as a potential source of vegetable oil as a replacement for petroleum, and, in particular, the production of biodiesel. Despite the interest that is being shown in the large-scale cultivation of J. curcas, genetic resources remain poorly characterized and conserved and there has been very little plant breeding for improved traits. At present, the varieties being used to establish plantations in Africa and Asia are inedible. The meal obtained after the extraction of oil cannot, therefore, be used as a source of animal feed. Naturally existing edible varieties are, however, known to occur in Mexico. The toxic components of J. curcas seeds, the potential for plant breeding to generate improved varieties, and the suitability of J. curcas oil as a feedstock for biodiesel production are discussed.

Key words: Biodiesel, curcin, Jatropha curcas, oilseed, phorbal ester, ribosome inactivating protein, seed meal

Received 10 December 2008; Revised 20 January 2009 Accepted 22 January 2009


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