This study utilized solvent extraction to extract oil from tiger nut.The extraction process focused on evaluating the effects of extraction temperature,extraction time,and solvent-to-material ratio on oil yield,employing both single-factor experiments and response surface methodology.Optimal conditions were determined as follows:extraction temperature of 47 ℃,extraction time of 5 h,and solvent-to-material ratio of 1∶9(g/mL).Validation experiments conducted under these conditions yielded an oil yield of 24.52％.Additionally,physicochemical properties of the extracted tiger nut oils were assessed,demonstrating compliance with national standards.
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