亚硝酸钠(NaNO_2)在食品加工中用作发色剂,可限量在肉制品中使用。其性状为白色细颗粒,与食盐和白砂糖等相似,容易被误用而引起食物中毒。此类中毒在报纸和专业刊物上常有报导,但仍未引起高度重视,致使类似事件难以杜绝。1999年11月19日和12月25日,我区的两家餐馆相继发生中毒事件。作者在此报告如下,旨在杜绝此类事件。1 发生经过 11月19日,A餐馆厨师在制作早点炸油饼时,向5 kg面粉中投入添加剂(盐碱矾)。误把100 g亚硝酸钠当食盐使用。炸 Sodium nitrite (NaNO_2) is used as a hair dye in food processing and can be used in meat products in limited quantities. Its traits are fine white granules, similar to salt and sugar, and are easily misused to cause food poisoning. Such poisoning is often reported in newspapers and professional journals, but it has still not been given the highest priority so that similar incidents can hardly be stopped. On November 19 and December 25, 1999, two restaurants in our district were successively poisoned. The author reports here as follows to eliminate such incidents. 1 Occurs After November 19, a restaurant chef puts in 5 kg of flour an additive (Saline Alum) while making an early fryer. 100 g sodium nitrite by mistake when used as salt. Fried