Shrimp dumpling sample detected with non-permitted preservative

Food name:

Shrimp dumpling


Boric acid

Detected level:

70 parts per million

Maximum permitted level:

Not permitted in food

Sampling location:

A restaurant in Tuen Mun


  1. The CFS has instructed the vendor to stop selling the affected product.
  2. According to the Preservatives in Food Regulation (Cap 132BD), boric acid is not a permitted preservative in food. The maximum penalty upon conviction is a fine of $50,000 and six months' imprisonment. 
  3. The CFS will continue to follow up on the unsatisfactory result, including tracing the source of the food in question and taking sample for testing so as to safeguard public health.
  4. Investigation is ongoing.

END/ Thursday, September 2, 2021