How to Check Adulteration/Contamination
Milk Detecting presence of water Put a drop of milk on polished slanting surface Pure milk either stays or flows slowly, leaving a white trail behind Milk adulterated with water will flow immediately without leaving a mark Detecting presence of detergent Take equal parts of milk and water. Shake thoroughly If adulterated, dense lather will form Pure milk will form a thin layer of foam Ghee/Butter/Oil Detecting mashed potato, sweet potato and other starches Take half teaspoon of ghee/butter, add…