The following several common foods, we must not be unfamiliar, but they are at some point comparable to arsenic, is never to be consumed. A, green tomatoes. Green tomatoes contain toxic substances, called lobotropin, eat this not yet ripe green tomatoes, the mouth has a bitter feeling, after eating can appear nausea, vomiting and other symptoms of poisoning, raw food is more dangerous. Second, rotten cabbage. After consuming rotten cabbage, it can cause headache, dizziness, nausea, abdominal distension, etc., and serious cramps, coma, and even life-threatening. Third, rootless bean sprouts. In the production process, herbicides are applied to make the bean sprouts grow out without roots. The herbicide contains harmful substances that cause cancer, deformation and mutation. Fourth, fresh yellow cauliflower. Fresh yellow cauliflower is extremely toxic, and the dried product is non-toxic. Because the fresh yellow cauliflower contains colchicine, this toxin can cause dry throat, burning sensation in the stomach, hematuria and other symptoms of poisoning. If the cauliflower is first rinsed in boiling water, then soaked in cool water for more than 2 hours, changing the water once in between, fresh cauliflower is non-toxic. Five, sprouted potatoes. Sprouted potatoes (potatoes) shoots and become green skin in the high content of lobeline, easy to eat poisoning. Therefore, sprouted and green skin of potatoes should not be eaten. Six, rotten ginger. Rotting ginger produces a very toxic safrole. People eat this toxin, even if the amount is small, can cause liver cell poisoning and degeneration. Seven, brown-hearted sugarcane. The deteriorated sugarcane is black and brown inside and tastes like alcohol. This is the sugar cane was infected by Fusarium cepacia and produced toxins caused. Eight, the long moldy tea. Moldy tea is the result of contamination by Penicillium, Aspergillus, if you drink the moldy tea water, light dizziness, diarrhea, heavy can cause necrosis of vital organs. Nine, long spotted sweet potatoes. Sweet potatoes with long black spots, is due to infection with black spot bacteria, easy to eat poisoning. Ten, yellowing silver fungus. Metamorphosis of yellowing silver fungus is caused by the contamination of yellow bacillus, eaten can cause dizziness, belly pain and diarrhea and other poisoning phenomena. Eleven, not pickled pickles. Northerners in the fall and winter have the habit of pickling pickles. Many people do not wait for vegetables pickled through the color, you think fresh pickles fresh taste beautiful, eaten in advance. The actual pickled vegetables if the amount of salt is not enough, pickling time less than 8 days, will cause nitrite poisoning. Twelve, the uncooked beans. If the four seasons beans are not cooked, beans in the saponin will strongly stimulate the digestive tract, and the beans contain coagulant, with coagulation effect. In addition the four seasons beans also contain nitrite and trypsin, can stimulate the human gastrointestinal, make people food poisoning, gastroenteritis symptoms. In order to prevent the occurrence of four-season bean poisoning, be sure to cook the four-season beans thoroughly, cooked.