深圳市售食品膨松剂中铝含量监测结果分析

Determination and analysis of aluminum contents in baking powder

目的：为了解深圳市售膨松剂中铝含量情况,并为今后有目的地开展卫生监督监测工作提供依据。方法：采用ICP-MS法对市内部分餐厅、职工食堂、学校食堂、集贸市场所采集泡打粉、小苏打、明矾、面包改良剂、塔塔粉、酵母等样品检测铝含量。结果：目前市售含铝复合膨松剂中铝含量一般在3%-5%之间。无铝复合膨松剂市场已有销售。结论：面制品中铝含量超标与制作过程中使用含铝添加剂泡打粉有关。

Objective：To understand the aluminum content in baking powder in ShenZhen District,we develop the supervising and inspecting with the intertion in future. Methods：These samples were analyzed by ICP - MS for determination of aluminum with Rh internal calibration. Results： The aluminum content of baking powder ranged from 3% to 5%. Conclusion： The use of baking powder which contains aluminum in producing process of the food may lead to the problem that samples containing aluminum over set standard.