Adulteration: Addition or removal of harmful or vital substances from food is called Adulteration.
i. Coriander powder – dirt, saw dust, sand
ii. Red chili powder – lead chromate
iii. Black pepper – papaya seeds
iv. Turmeric – Metanil yellow
Precautions to be followed while buying spices:
i. Buy packed spices.
ii. Try to buy whole spices.
iii. It is powdered, check the standard mark.
iv. Buy from reputed shop.
v. Take bill