Extraction of castor oil for (medical use)
DOI:
https://doi.org/10.32947/ajps.v6i1.369Abstract
Extraction of castor oil for medical uses by cold press of castor beans at 38˚C with applied pressure 140 bars & pressing time of 70min., the maximum efficiency was found to be 80%.
The pressed cake which contains 17% oil was subjected to solvent extraction with hexane under operation conditions: temperature, time of extraction and solvent to feed ratio.
Bleaching of the castor oil with natural earth (bentonite) to improve the color.