Food comes from plants and animals and provides energy and nutrition to living beings. Various plants and animals serve as food sources, with common adulterations in Bangladesh including milk, ghee, cereals, and oils to increase profit and improve appearance. Adulteration methods involve mixing with cheaper or toxic substances and using chemicals on fruits and vegetables.

1. Food is material
that comes
from animals or pla
nts. It is eaten by
living things to
provide energy and
nutrition.

2. Most 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:
Plants
Animals

3. Plants
Many 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
Animals
Animals 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.

4. Supply of Food Chain

5. Ways of Adulteration
In 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 tributyrin 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 Kesari dal or
lathyrus flour.
5. Pulses :- They are adulterated with Kesari Dal
stones are added to pulses such

6. 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.

7.  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

8. Thank
YOU!!
Done by:
Abeed Shams,Rian