This study investigated the utilization pattern of Jatropha curcas plant and phytochemical properties of Jatropha curcas (L) from Yewa South Local Government Area, Ogun State, Nigeria. A purposive sampling technique was used in selecting120 respondents and data were collected from them through questionnaires. Data analyses were carried out and result presented using descriptive statistics. Information were sought on level of awareness about Jatropha curcas and level of utilization of its derivatives. Findings
revealed that the respondents are vast in the use of Jatropha curcas for traditional medicine. The study also showed that Jatropha curcas has an average oil yield of 32% hence, it is efficient for use as bio-fuel. The highest phytochemical detected was alkaloids (8.1%). Biofuel has been regarded as potential alternative for fuel for partial substitution of bio-fuel.Jatropha curcas, which is one of the sources of bio-diesel, is readily available in tropical and sub-tropical areas. Awareness of Jatropha curcas plant usefulness but not that of its product is very high in Yewa south local government area. Deliberate promotion of the plant products and the establishment of Jatropha System for sustainable production among the populace is therefore recommended.
Keywords- Jatropha curcas, Biofuel, phytochemical, utilization, awareness