Fundamental studies on degradation of phorbol esters isolated from Jatropha curcas L.

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Plantation of Jatropha has been planning for biodiesel fuelproduction. Jatropha contains toxic phorbol esters, therefore, their impact on environment with increasing the production should be considered. In this study, degradations of phorbol esters under natural circumstances were investigated. Treatment by soil bacteria and lighting by plant growth fluorescent lamp resulted in first-order degradation of phorbol esters. Further, hydrolysis by sodium hydroxide provided theirrapid decomposition.