近年来,野菜日益受到人们的青睐,特别在城市,人们把食用野菜作为一种时尚。但部分野菜中含有对人体有害的物质,如单宁、生物碱、皂甙、酚类物质、萜类物质、硝酸盐、重金属等。如长期或过量食用,会对人体产生较大的副作用。因此,开发和食用野菜时应注意下列问题。一、安全性即野菜是否具有毒性,台湾近年来连续发生因食用守宫木而引起的中毒事件。败酱、野蒜、小蓟、白仔菜等一些野菜小有毒性,吃后会引起不适。如野蒜含丙烯基硫化合物,性味辛热,常食令人阴虚火旺。咽喉干燥,眼目赤肿:小蓟(刺儿菜、青青菜)含生物碱、甙类 In recent years, wild vegetables are increasingly favored by people, especially in cities, where people use edible wild herbs as a fashion. However, some wild plants contain substances harmful to humans, such as tannins, alkaloids, saponins, phenols, terpenoids, nitrates, heavy metals and so on. If long-term or excessive consumption, will have greater side effects on the human body. Therefore, the development and consumption of wild herbs should pay attention to the following questions. First, the safety of wild vegetable that is toxic, Taiwan in recent years due to consumption of Gongmu caused poisoning. Patrin sauce, wild garlic, thistle, white cabbage and some other small toxic vegetables, will cause discomfort after eating. Such as wild garlic with propylene-based sulfur compounds, hot and sour taste, it is often eating yin Huo-wang. Dry throat, red eyes and swollen throat: Thistle (sage vegetables, green vegetables) containing alkaloids, glycosides