Dry Jatropha curcas fruit contains about 37.5% pod and 62.5% seed, and the seed contains about 42% shell and 58% kernel. The seed kernel contains about 40–60% (w/w) of oil. Extraction of oil from jatropha seeds can be done by mechanical means, such as with a screw press (Amoah, 2012).To obtain kernels of seeds for oil extraction, the fruits are dried and decorticated to obtain the seeds ...
