核桃是落叶乔木,经济价值很高,是木本粮油干果。核桃仁内含有丰富的脂肪、蛋白质和维生素,可以榨油,出油率达20～30％,是高级食用油;还可供上等油漆及绘画颜料的调配剂。核桃仁也是重要外销干果之一。核桃树皮、叶、果皮都含单宁,可做染料和鞣制皮革。木质坚硬,纹理细致,伸缩性小,抗击力强,不翘不裂,不受虫蛀,光滑美观,可供制造家具和器械。 Walnut is a deciduous tree, high economic value, is the woody grain and oil dried fruit. Walnut is rich in fat, protein and vitamins, can be pressed oil, oil rate of 20 to 30%, is a senior edible oil; also for fine paint and paint formulations. Walnut is also one of the important export dried fruit. Walnut bark, leaves, peel contains tannin, do dye and tanned leather. Hard wood, delicate texture, low scalability, strong resistance, not Alice not cracked, insecure, smooth and beautiful, for the manufacture of furniture and equipment.