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Extraction and characterization of landolphia seed oil

Auwal Aliyu, Edward Kuhiyop and Abdulhamid Hamza

Landolphia seed oil was extracted using hexane solvent. The yield of the oil is very low (only 4.11 % by weight). The following properties of the extracted oil were determined: specific gravity, boiling point, saponification value, acid value and iodine value. The extracted oil has a very low acid value which makes it edible. The high saponification value of landolphia seed oil indicates strong cleansing ability of landolphia seed oil. The low Iodine value obtained also suggests that the landolphia seed oil will be less susceptible to oxidative deterioration