Lap cheung
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Lap cheung is a common food in Guangdong Province, Hong Kong and Macau. It consists of ground pork, usually packed in a casing (the large intestines of a pig) going through compression, drying and exposure to sun light.
[edit] Health concern
The Hong Kong government in 14th September, 2006 disclosed that a sample made in Macau sold at Kee Wah contains a forbidden colouring Rhodamine B, which can cause vomiting and suppress the central nervous system.