FoodFood is material that comes from animals or plants. It is eaten by living things to provide energy and nutrition.

FOOD SOURCESMost food has its origin in plants. Some food is obtained directly from plants; but even animals that are used as food sources are raised by feeding them food derived from plants.

There are mainly two types of food sources they are:

PlantsAnimals

PlantsMany plants or plant parts are eaten as food. There are around 2,000 plant species which are cultivated for food, and many have several distinct cultivars

AnimalsAnimals are used as food either directly or indirectly by the products they produce. Meat is an example of a direct product taken from an animal, which comes from muscle systems or from organs.

Supply of Food Chain

Ways of AdulterationIn Bangladesh, the most common type of food adulterations is of following types:

1. Milk :- It is adulterated by the addition of water, starch, skim milk powder and removal of cream.2. Ghee :- It is adulterated with vanaspati and animal fats such as pig's fat. In order to improve the flavor of adulterated ghee tributary is added.3. Cereals :- Rice and wheat are mixed with stones sand grit and mud to increase the bulk.4. Flour :- Wheat flour is mixed with soapstone and Bengal gram flour is adulterated with Cesar dal or lathyrus flour.5. Pulses :- They are adulterated with Cesar Dal stones are added to pulses such

6. Edible Oil :- They are mixed with cheaper oil, toxic oil (e.g. argemone oil) and mineral oil.7. Honey :- It is adulterated with sugar and jiggery(gur).8.Vedegeable & Fruits:- It is adulterated mainly by spraying or injecting chemical in it.

Reasons of Food Adulteration

Sellers want profit Increase of food production To preserve food for economic activities To earn money in less time To make food look more fresh and

natural

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