In biodiesel production, first-generation fuel faces the problems of using
food as a feedstock which has its limitations like the destruction of vital soil resources,
deforestation and negative impact on biodiversity, and the use of much of the available
arable land. At the same time, the high cost of feedstock also restricts its widespread
use. Keeping all those points in mind, researchers are focusing their attention on the
production of biodiesel from non-edible vegetable oils such as Jatropha curcas L. The
present chapter deals with the harvesting methods of Jatropha curcas L, extractions,
and properties of the blends used in detail.
Keywords: Enzymatic extraction, Glycerolysis, Jatropha curcas L, Supercritical CO2, Subcritical fluid extraction, Sedimentation.