胡麻是我国四大油料作物之一,历年种植面积在800—900万亩。主要分布在我国华北、西北冷凉旱作农业区。胡麻种子含油量一般为36.5—49.5％,高者可达50.9％,胡麻油是华北。西北一带人民的主要食用油,从油的品质看,在主要油料作物中油质也是居上等(表1),其突出的特点是油质比较稳定、耐贮藏、好保管、不变质。 Flax is one of the four major oil crops in China, with annual planting area of ​​800-900 mu. Mainly distributed in North China, Northwest cold and dry farming areas. Flax seed oil content is generally 36.5-49.5%, the highest up to 50.9%, flax oil is North China. From the quality of oil, the main edible oil of the people in the northwestern area is the same as the oil quality of the main oil crops (Table 1). Its salient features are relatively stable oil, stable storage, good storage and no spoilage.