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The objective of our work in this study is the extraction and characterization of castor oil (Ricinus communis L) physicochemical characterization for a better appreciation of the oil. Extraction of The castor bean oil is made by the chemical method Soxhlet (extracted with petroleum ether) gave an oil yield of the order of 29.17% and for the results of the physicochemical parameters the values are as follows: Acid value is 0.57mg KOH/g oil, acidity is 0.28%, saponification number is 177.42 mgdoi:10.46325/jnpra.v1i01.5 fatcat:q2l5zscsard55fvwlmry2q6hvi