I want to know the current permissible levels of Cu, Fe, and Zn allowed in the food fish as recommended by WHO and National Environmental Standards and Regulations Enforcement Agency in Nigeria (NESREA)
@all As of my knowledge cutoff in September 2021, I can provide you with general information on the permissible levels of trace metals in food fish according to international standards. However, it's important to note that specific guidelines and regulations can vary among countries and regions. For accurate and up-to-date information regarding Nigeria's regulations, I recommend consulting the official websites of the World Health Organization (WHO) and the National Environmental Standards and Regulations Enforcement Agency (NESREA), or contacting these organizations directly.
- Copper (Cu): The WHO guideline for copper in fish is 3.0 mg/kg (ppm).
- Iron (Fe): The WHO guideline for iron in fish is 50.0 mg/kg (ppm).
- Zinc (Zn): The WHO guideline for zinc in fish is 50.0 mg/kg (ppm).
It's important to note that these are general guidelines and may not reflect the specific regulations set by individual countries.
Please note that these values and regulations might have been updated since my last knowledge update in September 2021. Therefore, it is crucial to refer to the latest guidelines and regulations provided by the WHO and NESREA for the most up-to-date information on permissible levels of trace metals (Cu, Fe, and Zn) in food fish.
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