The results of monitoring the lead content of 42 sets of cake molds made by different materials, the test range of cake mold made by different materials is <0.11.92mg/L, which indicates that the lead content of different materials is different, 42 sets of cake mold lead content There are 14 sets exceeding the standard, the total over-standard rate is 33.33%, of which 38 sets of iron mold lead content >1.0mg/L 14 sets, the over-standard rate is 36.8%, and the lead content of 4 sets of copper stamping dies are <0.1mg/ L.
Lead content of molds made of different materials, lead content (mg/L)<0.1<0.5<1.0>1.5>2.0 iron 38978104 copper 402.2 different manufacturing process of iron mold lead content iron cake mold production process is different, its There is a big difference in lead content. Among the 38 sets of iron cake molds, 18 sets are stamped, and the lead content exceeds 3, the over-standard rate is 16.67%. 20 sets are made of iron, and the lead content exceeds 11, exceeding the standard. The rate was 55.0%, and the lead content of the homemade mold was significantly higher than that of the stamper (X2=5.98, P<0.05).
The lead content in the molds of the township pastry factory and the individual cake workshop was compared in the 42 sets of molds, 22 sets were collected from the township pastry food factory, and 20 sets were collected from the individual cake workshops. Among them, 8 sets of molds from the township pastry food factory exceeded the standard. 36.36%, the lead content of the mold collected from the individual cake workshop exceeded 6 sets, and the over-standard rate was 30%. There was no significant difference between the two (X2=0.191, P>0.05).
Township pastry factory and individual cake workshop mold lead sample number detection range (mg / L) pass number exceeds the standard number exceeds the standard rate (%) township pastry factory 6 individual workshop 20 total 4.4 This survey has 4 copper cake molds, The lead content was tested at <0.1mg/L, in line with national health standards (GB11333-89), and 14 parts of 38 iron cake molds exceeded the standard, and the over-standard rate was 36.84%.
Discussing the influence of lead on children's growth and development, especially mental development, is a relatively common problem in recent years. The digestive tract is the main way for children to absorb lead. In order to effectively prevent the occurrence of lead poisoning in children, it must be strictly implemented. 5 Food Hygiene Law 6 and Food Hygienic standards for lead content, control the content of lead in food molds and containers, and reduce the pollution of lead on children's food. Through the investigation of the lead content of 42 cake molds, it is found that the lead content of copper mold is significantly lower than that of iron mold. The over-standard rate of iron self-made cake mold is obviously higher than that of stamping. To ensure that cake food is not contaminated by lead, it should be It is strictly forbidden to use homemade iron cake molds for the hygiene management of molds for cake production.
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