东北人喜欢吃干豆腐卷大葱、小葱拌豆腐,需要提醒的是,这种吃法并不科学,不能常吃,因为豆腐不宜与葱同吃。经研究,葱里含有大量的草酸,当它与豆腐混合在一起时,豆腐中的钙与葱里的草酸会结合形成白色沉淀物草酸钙。这种草酸钙是难以被人体吸收的,容易在人体内形成结石。另外,豆腐中的 Northeast people like to eat dried tofu rolls green onions, green onion tofu, need to be reminded that this method of eating is not scientific, can not eat, because tofu should not eat with onions. After research, onion contains a lot of oxalic acid, when it is mixed with tofu, the tofu calcium and onion oxalic acid will form a white precipitate of calcium oxalate. This calcium oxalate is difficult to be absorbed by the body, easy to form stones in the body. In addition, the tofu