The quality of polyethylene (PE) inner plugs affects the safety of packaged food. The work aims to analyze and study the content of three types of additives, namely flame retardants, antioxidants, and lubricants, in PE inner plugs. The laboratory-established method was adopted to conduct rapid screening and detection analysis of the three target substances in PE inner plugs. Testing was conducted on 15 batches of PE inner plugs. The results showed that triethyl phosphate (TEP) was detected in 2 batches, antioxidant 264 in 3 batches, and oleamide in 4 batches. It was also observed that the bottle cap inner plugs tended to yellow after prolonged storage at high temperatures, and that low-alcohol liquor tended to produce a white flocculent precipitate under low-temperature conditions. It is suggested that from the consumer level, the production enterprise level, and the government supervision level, product quality management should be strengthened, attention should be paid to consumers' experience effects and complaints, the formulation and revision of standards should be promoted, and risk monitoring, supervision and inspection of products should be actively carried out. The research and promotion of green packaging products should be accelerated to minimize the impact of risk substances in plastic products on human health.
Key words
PE inner plugs /
typical risk substances /
GC-MS
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