山桃(Persica davidiana Franch)属蔷薇科桃属。主要品种有红花、白花及尖叶山桃三个变种。山核根系发达,耐寒、抗旱、耐瘠薄,萌芽力强,病虫害少。苗木是嫁接桃树的优良砧木。材质坚韧,可供雕刻。树的韧皮纤维细长,可用以编制耱、筐和囤。山桃核千粒重5.8斤,出仁率为10.2％。山桃仁用途广,可榨油和药用,为紧缺出口商品。山桃仁含油量为45.95％,出油率在40％以上。据延安地区药材公司测定,山桃仁脂肪含量为53.22％,蛋白质含量为26.28％,糖含量为0.59％。桃仁能破血行痰,润燥滑肠,主治跌打损伤、闭经、高血压、慢性阑尾炎、胃 Persimmon (Persica davidiana Franch) belongs to Rosaceae peach. The main varieties are safflower, white flowers and Peach three varieties. Horn root developed, cold, drought, barren, strong sprout, pests and diseases less. Seedlings are excellent grafting peach rootstock. Tough material for engraving. Tree bast fiber slender, can be used to prepare 耱, baskets and store. Peach kernel weight of 5.8 kg, kernel rate was 10.2%. Mountain Peach wide use, can be squeezed oil and medicinal, for the lack of export commodities. Peach kernel oil content of 45.95%, the oil yield above 40%. According to the determination of Yanan herbs company, Shanxi peach kernel fat content of 53.22%, the protein content of 26.28%, the sugar content of 0.59%. Peach can phlegm, Runzao smooth intestine, indications traumatic injury, amenorrhea, hypertension, chronic appendicitis, stomach