Regulation 3 Prohibition of import and sale of food containing certain substances in excessive concentrations
3 A person must not import, consign, deliver, manufacture or sell, for human consumption, any food of a description specified in Column D of the First Schedule which contains any substance specified opposite thereto in Column B, or the description of such substance in Column C, in greater concentration than is specified opposite thereto in Column E.
Regulation 3A Prohibition of import and sale of certain food or oil etc. containing prohibited substances
(1) A person must not import, sell or consign or deliver for sale for human consumption, any fish, meat, milk, dried milk, condensed milk or reconstituted milk which contains any substance specified in Schedule 2.
(2) A person must not import for human consumption any oil or fat or a mixture of oil and fat containing partially hydrogenated oil.
(3) A person must not sell, or consign or deliver for sale, for human consumption any food (including any oil or fat or a mixture of oil and fat) containing partially hydrogenated oil.

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First Schedule Maximum concentration of certain substances present in specified foods

A B C D E
Item Substance Description of
substance		 Description of
food		 Maximum
concentration
1. Aflatoxin B1 Infant formula and follow-up formula other than formula manufactured from milk proteins 0.1 micrograms per kilogram of the food. (Note 1)
Any other food intended to be consumed principally by persons under the age of 36 months other than infant formula and follow-up formula manufactured from milk proteins 0.1 micrograms per kilogram of the food. (Note 2)
1A. Aflatoxin M1 Infant formula and follow-up formula intended to be consumed principally by persons under the age of 12 months 0.025 microgram per kilogram of the food. (Note 1)
Any other milk or dried milk 0.5 microgram per kilogram of the food. (Note 1)
1B. Aflatoxin, total Sum of aflatoxins B1, B2, G1 and G2 Non-ready-to-eat almonds, Brazil nuts, hazelnuts, peanuts and pistachios 15 micrograms per kilogram of the food.
Non-ready-to-eat peanut products and products of almonds, Brazil nuts, hazelnuts and pistachios 15 micrograms per kilogram of the food.
Spices 15 micrograms per kilogram of the food.
Any other food 15 micrograms per kilogram of the food.
2. Amoxycillin   Muscle, liver and kidney of all food animals 50 micrograms per kilogram of the food.
Milk 4 micrograms per kilogram of the food.
3. Ampicillin   Muscle, liver and kidney of all food animals 50 micrograms per kilogram of the food.
Milk 4 micrograms per kilogram of the food.
4. Bacitracin   Muscle, liver and kidney of bovine, porcine and poultry 500 micrograms per kilogram of the food.
Milk 500 micrograms per kilogram of the food.
4A. Benzo[a]pyrene Oil or fat or any mixture of oil and fat 5 micrograms per kilogram of the food.
Infant formula and follow-up formula intended to be consumed principally by persons under the age of 12 months 1 microgram per kilogram of the food.
5. Benzylpenicillin   Muscle, liver and kidney of all food animals 50 micrograms per kilogram of the food.
Milk 4 micrograms per kilogram of the food.
6. Carbadox Quinoxaline-2-
carboxylic acid		 Muscle of porcine 5 micrograms per kilogram of the food.
Liver of porcine 30 micrograms per kilogram of the food.
7. Ceftiofur Desfuroylceftiofur Muscle of bovine and porcine 1000 micrograms per kilogram of the food.
Liver of bovine and porcine 2000 micrograms per kilogram of the food.
Kidney of bovine and porcine 6000 micrograms per kilogram of the food.
Milk 100 micrograms per kilogram of the food.
8. Chlortetracycline Sum of the parent
drug and its
4-epimers		 Muscle of all food animals 100 micrograms per kilogram of the food.
Liver of all food animals 300 micrograms per kilogram of the food.
Kidney of all food animals 600 micrograms per kilogram of the food.
Milk 100 micrograms per kilogram of the food.
9. Cloxacillin   Muscle, liver and kidney of all food animals 300 micrograms per kilogram of the food.
Milk 30 micrograms per kilogram of the food.
10. Colistin   Muscle and liver of bovine, porcine and poultry 150 micrograms per kilogram of the food.
Kidney of bovine, porcine and poultry 200 micrograms per kilogram of the food.
Milk 50 micrograms per kilogram of the food.
11. Danofloxacin   Muscle of bovine and poultry 200 micrograms per kilogram of the food.
Muscle of porcine 100 micrograms per kilogram of the food.
Liver of bovine and poultry 400 micrograms per kilogram of the food.
Liver of porcine 50 micrograms per kilogram of the food.
Kidney of bovine and poultry 400 micrograms per kilogram of the food.
Kidney of porcine 200 micrograms per kilogram of the food.
11A. Deoxynivalenol Cereal-based foods intended to be consumed principally by persons under the age of 36 months 200 micrograms per kilogram of the food. (Note 2)
12. Dicloxacillin   Muscle, liver and kidney of all food animals 300 micrograms per kilogram of the food.
Milk 30 micrograms per kilogram of the food.
13. Dihydro-
streptomycin		 Sum of
dihydrostrepto-
mycin and
streptomycin		 Muscle and liver of bovine, porcine and poultry

 500 micrograms per kilogram of the food.
Kidney of bovine, porcine and poultry 1000 micrograms per kilogram of the food.
Milk 200 micrograms per kilogram of the food.
14. Dimetridazole   Muscle, liver and kidney of porcine and poultry 5 micrograms per kilogram of the food.
15. Doxycycline   Muscle of bovine, porcine and poultry 100 micrograms per kilogram of the food.
Liver of bovine, porcine and poultry 300 micrograms per kilogram of the food.
Kidney of bovine, porcine and poultry 600 micrograms per kilogram of the food.
16. Enrofloxacin Sum of
enrofloxacin and
ciprofloxacin		 Muscle of bovine, porcine and poultry 100 micrograms per kilogram of the food.
Liver of bovine 300 micrograms per kilogram of the food.
Liver of porcine and poultry 200 micrograms per kilogram of the food.
Kidney of bovine 200 micrograms per kilogram of the food.
Kidney of porcine and poultry 300 micrograms per kilogram of the food.
Milk 100 micrograms per kilogram of the food.
17. Erucic acid The fatty acid
cis-docos-13-
enoic acid		 Low erucic acid rapeseed oil 2 per centum by weight of its fatty acid content.
Any other oil or fat or any mixture of oil and fat 5 per centum by weight of its fatty acid content.
Any food to which oil or fat or a mixture of oil and fat has been added 5 per centum by weight of its fatty acid content of all the oils and fats in the food.
18. Erythromycin   Muscle, liver and kidney of bovine, porcine and poultry 400 micrograms per kilogram of the food.
Milk 40 micrograms per kilogram of the food.
19. Flumequine   Muscle and liver of bovine, porcine and poultry 500 micrograms per kilogram of the food.
Kidney of bovine, porcine and poultry 3000 micrograms per kilogram of the food.
20. Furaltadone   Muscle of porcine and
poultry		 0 microgram per kilogram of the food.
21. Furazolidone   Muscle, liver and kidney of bovine, porcine and poultry 0 microgram per kilogram of the food.
22. Gentamicin   Muscle of bovine, porcine and poultry 100 micrograms per kilogram of the food.
Liver of bovine and porcine 2000 micrograms per kilogram of the food.
Kidney of bovine and porcine 5000 micrograms per kilogram of the food.
Liver and kidney of poultry 100 micrograms per kilogram of the food.
Milk 200 micrograms per kilogram of the food.
22A. Glycidyl fatty acid esters Glycidyl fatty acid esters expressed as glycidol Powdered infant formula and powdered follow-up formula intended to be consumed principally by persons under the age of 12 months 50 micrograms per kilogram of the food.
Liquid infant formula and liquid follow-up formula intended to be consumed principally by persons under the age of 12 months 6 micrograms per kilogram of the food.
23. Ivermectin 22, 23-Dihydro-
avermectin B1a
(H2B1a)		 Liver of bovine

 100 micrograms per kilogram of the food.
Liver of porcine 15 micrograms per kilogram of the food.
24. Josamycin   Muscle and liver of poultry 200 micrograms per kilogram of the food.
Kidney of poultry 400 micrograms per kilogram of the food.
25. Kitasamycin   Muscle, liver and kidney of porcine and poultry 200 micrograms per kilogram of the food.
26. Lincomycin   Muscle of bovine, porcine and poultry 100 micrograms per kilogram of the food.
Liver of bovine, porcine and poultry 500 micrograms per kilogram of the food.
Kidney of bovine, porcine and poultry 1500 micrograms per kilogram of the food.
Milk 150 micrograms per kilogram of the food.
26A. Malachite green Sum of malachite green and leucomalachite green Any food (including live fish, live reptiles and live poultry) 0 microgram per kilogram of the food.
26B. Melamine   Liquid infant formula and liquid follow-up formula intended to be consumed principally by persons under the age of 12 months 0.15 milligram per kilogram of the food.
Milk other than liquid infant formula and liquid follow-up formula intended to be consumed principally by persons under the age of 12 months 1 milligram per kilogram of the food.
Any other food intended to be consumed principally by persons under the age of 36 months 1 milligram per kilogram of the food.
Any food intended to be consumed principally by pregnant or lactating women 1 milligram per kilogram of the food.
Any other food 2.5 milligrams per kilogram of the food.
27. Metronidazole   Muscle, liver and kidney of porcine and poultry 0 microgram per
kilogram of the food.
28. Neomycin   Muscle and liver of bovine, porcine and poultry 500 micrograms per kilogram of the food.
Kidney of bovine, porcine and poultry 10000 micrograms per
kilogram of the food.
Milk 500 micrograms per kilogram of the food.
29. Oxolinic acid   Muscle of bovine, porcine and poultry 100 micrograms per kilogram of the food.
Liver and kidney of bovine, porcine and poultry 150 micrograms per kilogram of the food.
30. Oxytetracycline Sum of parent
drug and its
4-epimer		 Muscle of all food animals 100 micrograms per kilogram of the food.
Liver of all food animals 300 micrograms per kilogram of the food.
Kidney of all food animals 600 micrograms per kilogram of the food.
Milk 100 micrograms per kilogram of the food.
30A. Patulin Apple juice and other beverages to which apple juice has been added 50 micrograms per kilogram of the food. (Note 1)
31. Sarafloxacin   Muscle of poultry

 10 micrograms per kilogram of the food.
Liver and kidney of poultry 80 micrograms per kilogram of the food.
32. Spectinomycin   Muscle of bovine, porcine and poultry 500 micrograms per kilogram of the food.
Liver of bovine, porcine and poultry 2000 micrograms per kilogram of the food.
Kidney of bovine, porcine and poultry 5000 micrograms per kilogram of the food.
Milk 200 micrograms per kilogram of the food.
33. Streptomycin Sum of dihydro-
streptomycin and
streptomycin		 Muscle and liver of bovine, porcine and poultry 500 micrograms per kilogram of the food.
Kidney of bovine, porcine and poultry 1000 micrograms per kilogram of the food.
Milk 200 micrograms per kilogram of the food.
34. Sulfonamides Sum of all
substances
belonging to the
sulfonamide
group		 Muscle, liver and kidney of all food animals 100 micrograms per kilogram of the food.
Milk 100 micrograms per kilogram of the food.
35. Tetracycline Sum of parent
drug and its
4-epimer		 Muscle of all food animals 100 micrograms per kilogram of the food.
Liver of all food animals 300 micrograms per kilogram of the food.
Kidney of all food animals 600 micrograms per kilogram of the food.
Milk 100 micrograms per kilogram of the food.
36. Tiamulin Sum of metabolites
that may be
hydrolysed to
8-alpha-
hydroxymutilin		 Muscle of porcine and
poultry		 100 micrograms per kilogram of the food.
Liver of porcine 500 micrograms per kilogram of the food.
Liver of poultry 1000 micrograms per kilogram of the food.
37. Trimethoprim   Muscle, liver and kidney of bovine, porcine and poultry 50 micrograms per kilogram of the food.
Milk 50 micrograms per kilogram of the food.
38. Tylosin   Muscle, liver and kidney of bovine, porcine and poultry 200 micrograms per kilogram of the food.
Milk 50 micrograms per kilogram of the food.
39. Virginiamycin   Muscle of porcine 100 micrograms per kilogram of the food.
Liver of porcine 300 micrograms per kilogram of the food.
Kidney of porcine 400 micrograms per kilogram of the food.
40. 3-monochloropropane-1,2-diol Solid condiments containing acid hydrolysed vegetable proteins 1 milligram per kilogram of the food.
Any other condiments containing acid hydrolysed vegetable proteins 0.4 milligram per kilogram of the food.

Note 1: The maximum concentration applies to the food that is, or is reconstituted to be, ready for consumption.

Note 2: The maximum concentration applies to the dry matter of the food.

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Second Schedule Prohibited Substances

  1. Dienoestrol ((E,E)-4,4'-(diethylideneethylene) diphenol) including salts and esters thereof.
  2. Diethylstilboestrol ((E)-B-diethylstilbene-4,4'-diol) including salts and esters thereof.
  3. Hexoestrol (meso-4,4'-(1,2-diethylethylene) diphenol) including salts and esters thereof.
  4. Avoparcin.
  5. Clenbuterol.
  6. Chloramphenicol.
  7. Salbutamol.

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Note : Please browse https://www.elegislation.gov.hk/?_lang=en for details of the food law in Chapter 132.