【摘要】 苏子油中富含人体所需的α－亚麻酸，具有极大的保健价值。采用碱炼法精炼苏子粗油，得苏子精油。其最佳条件为：过碱量：５％～１０％，皂化温度：３０℃～４０℃。精油经过皂化水解后，采用脲包合法纯化α－亚麻酸，可将α－亚麻酸的含量由粗油中的５７．０５％提高到８４．２４％。更多还原

【Abstract】 Perilla seed oil is rich in α-linolenic acid and is essential for man,and it is a kind of healthy oil resource having great exploitable potentialities.The refined perilla seed oil was obtained by alkali refine method with the following optimum conditions:excessive alkali:5%～10%;tempreture of chemical saponification:30℃～40℃.α-linolenic acid was purified by urea inclusion treatment of the refined oil,resulting an increase of α-linolenic acid content from 57.05% of the crude oil to 84.24%.更多还原