Prevention of Food Adulteration Act was laid down in the year 1954.

World Trade Organisation.

High storage of vitamin.

Vitamin B₁, B₂,  B₃,  B₆, B₁₂ and vitamin C

Nutrients refer to the compounds which gives us energy.

Pasteurization is a process of food preservation, which involves boiling of milk to a temperature of 63°C for about 30 minutes and suddenly cooling to destroy the microbes present in the milk.

Nitrogen gas is filled in air-tight packets of potato wafers and other food products thus preventing the growth of fungus and insects in them.

Human skin can synthesize vitamin D when exposed to sunlight. When sun rays falls on the skin dehydrocholesterol is converted into vitamin D.

Minerals are very important to maintain the physiological process in our body. They are the constituents of teeth, bones, tissues, blood, muscles and nerve cells.

Tea leaves: Scatter sample on moistened blotting paper. Appearance of colour spots after minutes shows presence of adulterant.
Ice-cream: Take a sample and add drops of lime juice. If froth or bubbles develop on the sample, then it shows presence of washing powder.

Common salt: Stir a small amount of salt in water. If there is chalk, the solution will turn white and other insoluble impurities will settle.
Chilli powder: Add a small amount of chilli powder in water. The brick powder will settle and the pure chilli powder will float.