The Centre for Food Safety (CFS) of Hong Kong’s Food and Environmental Hygiene Department released the results of a risk assessment study on March 19, 2025. The study focused on mycotoxins known as T-2 toxins, HT-2 toxins, and 4,15-diacetoxyscirpenol (DAS) found in food. According to the findings, these toxins present a low health risk to both adults and younger populations in Hong Kong.
Study Details: Mycotoxins and Their Sources
A CFS spokesperson explained that T-2, HT-2, and DAS are produced by the Fusarium species, which grow on crops in cool, moist conditions. These mycotoxins are commonly found in cereals and cereal-based products. The World Health Organization (WHO) and the Food and Agriculture Organization (FAO) have set a tolerable daily intake for these toxins at 25 nanograms per kilogram of body weight, whether consumed alone or in combination.
Sampling and Results of the Risk Assessment
Between October and December 2023, the CFS collected 327 food samples from local retailers. These samples included cereal grains, breakfast cereals, bakery products, pastries, and vegetable oils. After laboratory analysis, the levels of T-2, HT-2, and DAS ranged from undetectable to 23.718 micrograms per kilogram.
The findings revealed that the average and high consumer exposures to these mycotoxins, for both adults and children, were well below the health-based guidance value. As a result, the CFS concluded that the dietary risk from these toxins is very low.
Public Health Advice and Recommendations
The CFS has urged the public to follow general dietary guidelines, promoting a balanced and varied diet to minimize exposure to contaminants from food. Consumers are advised to purchase cereals and cereal-based products from trusted sources and to store these items properly in cool, dry places to prevent fungal growth. The food industry is also encouraged to adopt proper storage practices to minimize the risk of mould contamination.
In conclusion, the study assures the public that the presence of T-2, HT-2, and DAS in Hong Kong’s food supply does not pose a significant health threat, provided proper food safety measures are followed.
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