are two methods to detect food adulterants. They are . Physical test . Laboratory chemical test Table .
Food Adulterants and its harmful effects. S.No. Food group Adulterant Harmful effects on health . Cereals, wheat and other food grains Ergot Nausea, vomiting, Gastric pain burning sensation in extremities .
Pulses and legumes Dhal Kesari Dhal and toxic dyes Leads to lathryism. . Milk and milk products Milk, Khoa, Bura cheese Starch Diarrhoea and vomiting . Sugar and Jaggery Washing soda Diarrhoea, vomiting Honey Invert sugar Nausea, vomiting Jaggery Washing soda Chalk powder Diarrhoea, vomiting .
Edible oils and fats Argemone oil Mineral oil Karanja oil Castor oil Gastric problems, carcinogenic, skin problems Ghee & butter Vanaspati Flatulence, gastric problems Mashed potatoes and starches . Spices & condiments Turmeric powder Yellow aniline dyes. Non permitted colorants like metanil yellow Causes giddiness, weakness, cyanosis, vomiting and are carcinogenic Chilli powder Brick powder Leads to gastric pain, cholic pain and indigestion - - Spices, food additives and food adulteration Asafoetida( Devil’s Dung) Foreign resins galbanum and Colophony resin Dysentry. Black pepper Papaya seeds, rotten pepper and light berries Stomach and liver problems.
. Beverages Coffee powder Tamarind and date seed powder Diarrhoea, stomach disorder. Table . Test for determining common adulterants present in food at home level S.no.
Food item Adulterant Test . Asafoetiida Resin or scented gum and coloured Dissolve asafoetida in water. Pure asafoetida will form a milky white solution.Burn it on a spoon. Burning like camphor indicates pure asafoetida.
. Sugar Chalk powder Dissolve in a glass of water. Chalk will settle down at the bottom indicates adulterant present. .
Cardamom Oil is removed and pods are coated with talcum powder On rubbing talcum will stick to the fingers. On testing if there is hardly any aromatic flavour it indicates removal of essential oil. . Chilli powder Saw dust and colour Sprinkle on the surface of water, saw dust floats.
Added colour will make the water coloured. . Coffee Chicory Shake a small portion in cold water. Coffee will float while chicory will sink making the water