Injurious Adulterants/Contaminants in Foods and their Health Effects
Foods Commonly Involved
Diseases or Health Effects
Adulterants in food
Edible oils and fats
Artificially coloured foreign seeds
As a substitute for cumin seed,
Poppy seed, black pepper
Injurious to health
Foreign leaves or exhausted tea leaves, saw dust artificially coloured
Injurious to health, cancer
Destroys vitamin A and E
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Continuous use of food contaminated with these metals beyond safe limits may cause these diseases
Cereal products, custards, puddings, sauces
Food infection (nausea, vomiting, abdominal pain, diarrhoea)
Meat and meat products, raw vegetables, salads, shell-fish, eggs and egg products, warmed-up leftovers
Salmonellosis (food infection usually with fever and chills)
Milk, potato, beans, poultry, tuna, shrimp, moist mixed foods
Shigellosis (bacillary dysentery)
Entero-toxins-A,B,C,D or E
Dairy products, baked foods especially custard or cream-filled foods, meat and meat products, low-acid frozen foods, salads, cream sauces, etc.
Increased salivation, vomiting, abdominal cramp, diarrhoea, severe thirst, cold sweats, prostration
Clostridium botulinus toxins
A,B,E or F
Defectively canned low or medium-acid foods; meats, sausages, smoked vacuum-packed fish, fermented food etc.
Botulism (double vision, muscular paralysis, death due to respiratory failure)
(Welchii) type A
Milk improperly processed or canned meats, fish and gravy stocks
Nausea, abdominal pains, diarrhoea, gas formation
Diethyl stilbestrol (additive in animal feed)
Sterlites, fibroid tumors etc.
Excessive solvent residue
Solvent extracted oil, oil cake etc.
Non-food grade or contaminated packing material
Blood clot, angiosarcoma, cancer etc.
Non-permitted colour or permitted food colour beyond safe limit
Mental retardation, cancer and other toxic effect.
BHA and BHT beyond safe limit
Oils and fats
Allergy, liver damage, increase in serum chloresterol etc.
Monosodium glutamate(flour) (beyond safe limit)
Chinese food, meat and meat products
Brain damage, mental retardation in infants
Coumarin and dihydro coumarin
Food flavours beyond safe limit
Chances of liver cancer
Brominated vegetable oils
Anemia, enlargement of heart
Sulphur dioxide and sulphite beyond safe limit
In variety of food as preservative
Acute irritation of the gastro-intestinal tracts etc.
Artificial sweetners beyond safe limit
Chances of cancer
Aspergillus flavus-contaminated foods such as groundnuts, cottonseed, etc.
Liver damage and cancer
Ergot alkaloids from Claviceps purpurea Toxic alkaloids, ergotamine, ergotoxin and ergometrine groups