问:我蒸出的鸡蛋羹经常会出现黑绿色,这样的鸡蛋羹还能吃吗?答:鸡蛋羹出现变色,主要有两个原因:一是炊具的问题,例如不锈钢碗中的金属离子易与鸡蛋里的成分发生化学反应,导致蒸好的鸡蛋羹变黑;二是蒸的时间过长,使鸡蛋中的硫和铁发生反应 Q: I steamed egg custard often appear black and green, so that egg custard can eat it? A: The egg custard discoloration, there are two main reasons: First, the problem of cooking utensils, such as stainless steel bowl of metal ions easily Chemical reaction with the ingredients in the egg, resulting in steamed egg soup dark; Second, the steaming time is too long, so that the eggs of sulfur and iron react