沙棘(Hippophae rhamnoides)是胡颓子科(Elaeagnaceae)、沙棘属(Hipjopha)植物,它又叫酸刺、醋柳。分布我国华北、西北、西南及东北的一些省区。有放线根瘤菌,与其共生固氮,是非豆科具有固氮能力的少数野生植物之一。沙棘适应性强,具有耐寒、耐早、耐瘠薄和耐盐碱等特性,是保持水土、改良土壤和固沙造林的优良树种。沙棘的可贵之处,还在于它有很高的经济价值,它的果汁含有多种维生素,特别是维生素C的含量,高达825～1060mg/100g,相当 Hippophae rhamnoides is a family of Elaeagnaceae and Hipjopha. It is also called Acanthopanax senticosus and willow vinegar. Distribution of North China, Northwest China, Southwest China and some northeastern provinces. An actinomycosis, symbiotic nitrogen fixation, non-legumes with nitrogen fixation ability of one of the few wild plants. Seabuckthorn adaptability, with cold, early resistance, tolerance to barren and salinity and other characteristics, is to maintain soil and water, improve soil and afforestation excellent tree species. Seabuckthorn valuable, but also because it has a high economic value, its juice contains a variety of vitamins, especially vitamin C content, up to 825 ~ 1060mg / 100g, quite