Test 1: Water in milk Put a drop of milk on a polished, slanting surfacePure milk either stays or flows slowly leaving a white trail behindMilk adulterated with flow immediately without leaving a mark...
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Test 2: Detergent in milk
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Test 2: Detergent in milk
Take 5-10 millilitres (ML) of milk sample and equal quantity of waterShake the mixture thoroughlyIf the milk is adulterated with detergent, it forms dense latherPure milk will have a thin layer of foam.
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Test 3: Detecting starch in milk and milk products
Boil 2-3 ML of the sample (milk, khoya, chenna or paneer) with 5 ML of waterFor other ghee and butter, water need not be addedAdd 2-3 drops of tincture of iodine after letting it coolFormation of blue colour indicates the presence of starch.
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Test 3: Detecting starch in milk and milk products
Boil 2-3 ML of the sample (milk, khoya, chenna or paneer) with 5 ML of waterFor other ghee and butter, water need not be addedAdd 2-3 drops of tincture of iodine after letting it coolFormation of blue colour indicates the presence of starch.
