吊白块是一种工业漂白剂,具有毒性,其分解产物甲醛、二氧化硫对人体也有毒害,故在食品加工和生产中严禁使用吊白块。近年来一些不法生产者,为牟取私利,在一些食品中加入这种物质,严重地危害了广大消费者的身体健康。根据上级指示,在省食检所的组织下,1990年8至9月我们对我省十七个地市的部分食品(馒头、豆腐、腐竹、粉丝、凉粉、粉卷、水果罐头等)进 Hanging white block is an industrial bleach, with toxicity, the decomposition of formaldehyde, sulfur dioxide on the human body is also poisonous, it is prohibited in the food processing and production hanging white block. In recent years, some unscrupulous producers, for their own personal gain, have added such substances to some foods and have seriously endangered the health of consumers. According to instructions from superiors, under the organization of the Provincial Food Inspection Institute, from August to September 1990, we conducted a review of some foods (bread, tofu, yuba, vermicelli, jelly, dough, canned fruits, etc.) in 17 prefectures and cities in our province