山楂是我国特有的果树,栽培历史悠久。果实中含铁、钙及维生素,营养价值很高,适合于生食和加工,可做果冻、果酱,果酒,蜜饯及罐头等。果实还可入药,有散淤,消积,化痰,解毒,止血等效能。果皮和根部含有单宁,可用以染色。随着外贸事业的发 Hawthorn is a peculiar fruit tree in our country with a long history of cultivation. Fruits contain iron, calcium and vitamins, high nutritional value, suitable for raw food and processing, can do jelly, jam, wine, preserves and canned food. Fruit can also be used as medicine, scattered silt, consumer product, phlegm, detoxification, bleeding and other effects. Tannins and roots contain tannins for staining. With the development of foreign trade