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菠菜:由于被认为是最富含铁质的蔬菜而深受人们的喜爱。然而,它同时也是一种非常危险的食物,因为它含有一种叫草酸的抗钙物质,一个体重七十公斤的人食用五克草酸就能足以丧命。一般来讲,四至四点五公斤菠菜中所含的草酸就能使人中毒。 土豆:在人们的膳食中占据重要的位置。但是由于它含有两种有毒性的生物碱,所以人食用后会出现精神恍忽、神经过敏和视力模糊等不良的反应。为了避免出现这种情况,专家的忠告是永远不要食用土豆皮。买回土豆后要把他们放在干燥、避
Spinach: loved by people because it is considered the most iron-rich vegetable. However, it is also a very dangerous food because it contains an anti-calcium oxalate substance. A man weighing 70 kg can consume five grams of oxalic acid enough to die. In general, oxalic acid in four to 4.5 kilograms of spinach can poison people. Potatoes: occupy an important place in people’s diet. But because it contains two kinds of toxic alkaloids, so people will appear after eating dull, nervous and blurred vision and other adverse reactions. In order to avoid this situation, the expert’s advice is never to eat potatoes skin. Buy potatoes and put them in a dry, avoid