期刊
BIOMASS & BIOENERGY
卷 23, 期 3, 页码 161-164出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0961-9534(02)00044-2
关键词
fatty acid; gross heat value; growth regulators; oil; hydrocarbon; polyphenol
Jatropha curcas is a multipurpose species with many attributes and considerable potential. The oil from the seeds is potentially the most valuable end product. Nearly 40% of the land area in India is wasteland. However, a large number of latex bearing and oil yielding plants can grow under such unfavorable agroclimatic conditions. J curcas, a Euphorbiaceae grows well under such adverse climatic conditions because of its low moisture demands, fertility requirements, and tolerance to high temperatures. The seed contains 19.0% oil, 4.7% polyphenol, and 3.9% hydrocarbon. This semi-drying oil could be an efficient substitute for diesel fuel. The gross heat value for the seed (0% moisture content) was 4980.3 cal/g (20.85 MJ/kg), oil was 9036.1 cal/g (37.83 MJ/kg), and hydrocarbon was 9704.4 cal/g (40.63 MJ/kg). The oil fraction consists of both saturated fatty acids, palmitic acid (14.1%), stearic acid (6.7%) and unsaturated fatty acids, oleic acid (47.0%), and linoleic acid (31.6%). Treatment of plants with growth regulators significantly influenced the production of hydrocarbons. Among the treatments, ethephon and morphactin induced the maximum production of hydrocarbon with 5.0% and 5.4%, respectively. Published by Elsevier Science Ltd.
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