nutrient (nutrisi)

Nutrient

Junior High School

Our Body is Like a Car

Nutrients

Nutrients are components that we get from plants or

animals and these component contain some

ingredients that are needed by our body

There are six types of nutrients:

1. Carbohydrates

What are carbohydrates?main source of

ENERGY for our body

How much do we need?

50-60% of our daily intake should come from

carbohydrates

providing 4 calories of energy per gram

Types of Carbohydrates

Simple Carbohydrates

Function: Provide quick energy

Complex Carbohydrates

Function: Provide long-term energy

2. Fats

What are fats?

• The body’s main form of stored energy

Functions of Fat Source energy Insulate the body Cushions & protects vital

organs

Source of fats

Fats aren’t all bad!

Fats keep our skin soft Fat can Soluble vitamins A, D, E,

K Great source of energizing fuel

3. Protein

What are proteins?

Part of every cell, tissue, and organ in our bodies.

Function of proteins

Support the growth of the body

Build and repair muscles & tissues

Provide energy

Type’s of protein

ANIMAL SOURCE PROTEINS

VEGETABLE SOURCE

PROTEINS

4. Vitamins

What are vitamins?

nutrients needed in very

small amounts

Functions Regulate body

functions

Water - soluble :

B & C

Fat - soluble :

A, D, E, K

HOW WE CAN GET THE VITAMINS...???

5. Minerals

What are minerals?Natural elements needed in

small amounts

Functions Regulate body processes Help for healthy bones &

muscles

6. Water

Functions Lubricates and

cushions joints Regulates body

temperature Soluble vitamins B

and C Help metabolism

process

Drink 8 glasses of water daily!

Let’s doing a simple experiment

Test for Carbohydrate Content

You Needs

Work steps: drops the betadine in the rice and bread

WHAT DO YOU OBSERVE ?

A view purple – blue - black, it indicates presence of carbohydrates in the food item

You needs

Test For Fat Content

Work steps : apply oil on the paper and hold the paper


is looks transparently ?IF oil in the paper look transparent

shows that the food item contains fat

You needs:

Work step: drop the biuret in the egg solution in test tube

Test For Protein Content


LOOKTEST FOR PROTEIN

If the color change violet, it’s presence protein

If the color change blue, it’s not presence protein

nutrient (nutrisi)

Education