3,1 What do you eat - 1

• Biology
• Middelbare school
• vwo
• Leerjaar 2

what's on a food label? 

- Energy : why, from what, , how much? unit? 

- Nutrients: which, how much? 

- Healthy choice: daily value? 

three main functions of food 

it provides: 

- materials for growth and repair 

- energy to keep your cells alive

- vital elements and compounds to maintain chemical processes in your cells. 

look make a note in your note book!

simple carbohydrates

complex carbohydrates 

• digestible: , glucose, starch
• undigestible: xylitol, cellulose

      (=fibres) 

Energy source

• instant
• storage as

 - glycogen

 - fat 

• Growth & repair (new cells)

made of amino acids

• essential am. acids
• non essential am. acids

• Energy source
• Absorption vitamins (A, D, E) 
• cushion and protection 

saturated (mostly animal based)

unsaturated (mostly plant based

trans (to be avoided!)

which of these product does not contain fat? 

with only saturated and/or trans fats) 

• growth
• regulation body functions
• protection against diseases

most important ones:

A, B, C and D

• growth
• regulation body functions
• protection against diseases

most important ones:

• Calcium
• Iron
• Sodium

• dissolves chemicals in cells and tissue fluid
• helps to cool down the body (sweating) 
• transports substances around the body 
• (sometimes) acts as a substrate in a chemical process

what's on a food label? 

- Energy : why, from what, , how much? unit? 

- Nutrients: which, how much? 

- Healthy choice: daily value?