茎类蔬菜主要分为地下茎类和地上茎类,如马铃薯、莲藕、姜、荸荠、茭白、竹笋、莴苣等。东南大学营养与食品卫生系主任孙桂菊教授表示,尽管现在还没有确切的科学研究表明茎类蔬菜的重金属吸收能力比别的蔬菜强,不过从植物生长情况能看出一些端倪。在植物 Stem vegetables are mainly divided into underground stems and aboveground stems, such as potatoes, lotus root, ginger, water chestnuts, scallions, bamboo shoots, lettuce and so on. Professor Sun Guiju, director of the Department of Nutrition and Food Hygiene at Southeast University, said that although there is still no exact scientific evidence indicating that the heavy metal absorption capacity of stem vegetables is stronger than that of other vegetables, some clues can be seen from the growth of plants. In the plant