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Extraction process parameters can influence the quality of oil obtained from seeds during extractionprocess. The effect of extraction process parameters on the quality of parinari seed oil, a potential renewable industrialraw material, is yet to be reported. This research was aimed at investigating the effects of some extraction processparameters on some quality characteristics of parinari oil (acid, iodine and saponification values). This work reportsfor the first time the effects of extraction process parameters on the properties of parinari seed oil. The parinari seedswere harvested and oil was obtained from the seeds by solvent extraction method based on the experimental design.The experimental design followed central composite design (CCD). Effects of extraction parameters on the qualitycharacteristics were investigated. The study parameters were time (2-6 h), temperature (60-70 oC), solid- solvent ratio(0.03 - 0.08 g/cm3) and solvent types (n-hexane and petroleum ether). The responses were acid, saponification andiodine values. The results indicated that time and temperature significantly influenced the physicochemical propertiesof parinari oil. Response Surface Methodology (RSM) based analysis of variance indicated that the models obtainedwere all significant (p < 0.0001). The set of conditions for the optimal quality was obtained at temperature (60 oC),time (2 h), solid to solvent ratio (0.07 g/cm3) and n-hexane solvent with 89.7% desirability. The effects of the extractionprocess parameters on parinari oil quality were obtained. The information provided from this work will be useful forpotential scaling up of the parinari oil extraction process

Effects of extraction process parameters on the quality characteristics of <i>Parinari polyandra B</i>. seed oil