松花蛋制作松花蛋要用一定量的铅，经常食用会引起铅中毒。铅中毒表现为失眠、贫血、好动、智力减退等。铅在人体内取代钙质，还会引起缺钙。 臭豆腐臭豆腐在发酵过程中极易被微生物污染，它含有大量挥发性盐基氮以及硫化氢等，这些都是蛋白质分解的腐败物质，对人体有害。 味 Songhuahua Songhua egg production to use a certain amount of lead, regular consumption can cause lead poisoning. Lead poisoning manifested as insomnia, anemia, hyperactivity, mental retardation and so on. Lead in the human body to replace calcium, but also cause calcium deficiency. Stinky tofu stinky tofu in the fermentation process easily contaminated by microorganisms, it contains a large number of volatile salt-based nitrogen and hydrogen sulfide, which are decomposed protein spoilage, harmful to humans. taste