前言榛子(Corylus heterophylla Fisch.)是我地区珍贵的乡土油料树种,野生资源十分丰富,面积达20万亩,占全省榛林总面积的43％,最高年收购量的1965年达三百万斤,是我国有名的榛子产区之一,早在清朝光绪年间,开原县就有宫庭专门经营的御榛园。榛子的综合利用价值很高,种仁含油量50.6～54.4％,出油率达30％左右,油香可食。榛仁味甘,不仅可以生吃、炒吃,而且 Introduction Corylus heterophylla Fisch. Is a precious native oilseed species in our region. It has abundant wild resources and covers an area of ​​200,000 mu, accounting for 43% of the total area of ​​the province’s hazel forest. The highest annual purchasing volume reached 3 million in 1965 Kg, is one of China’s famous hazelnut producing areas, as early as the Qing Dynasty Guangxu years, Kaiyuan County Court has specialized in the Royal Hazel Park. The comprehensive utilization of hazelnuts is of high value, with seed oil content of 50.6-54.4% and oil yield of about 30%. Hazelnut sweet, not only raw, fried food, but also