Food

Nutrition

Nutrient

nutrients are used

Biomolecules/biochemicals

Compounds made from carbon

Organic compounds are composed of

Common elements of food

Elements present as dissolved salts in food

Trace elements in food

The build up of simple molecules to complex molecules requiring energy

The break down of complex molecules to simple molecules resulting in the release of energy

Test for reducing sugars

Test for starch

to test for protein

to test for fat

Carbohydrates are composed of

sources of carbohydrates

single sugar units

2 monosaccharides

many monosaccharides

monosaccharides

disaccharides

sucrose (table sugar)

maltose (germinating seeds)

lactose (milk)

polysaccharides

Starch

Cellulose

Chitin

Glycogen

lipids

Elements in lipids

Fats

Oils

Sources

Triglyceride

Phospholipid

structural role of lipids

metabolic role of lipids

Elements in proteins

Proteins are composed of

Link between amino acids

Shape of a protein

Small number of amino acids

20 or more amino acids

Long polypeptide (more than 200 amino acids)

Fibrous proteins

Globular proteins

Protein synthesis takes place in the

Sources of proteins

Structural role of protein

Metabolic role of protein

Vitamins

Vitamins

Water soluble vitamin

Fat soluble vitamin

Vitamin C

Vitamin D

Sources of vitamin C

What does vitamin C do?

Disease caused by lack of vitamin C + symptoms

Sources of Vitamin D

What does Vitamin D do?

Disease caused by deficiency of Vitamin D + symptoms

Minerals

Plants absorb their minerals from

Animals obtain minerals through

Plant mineral requirements

Animal mineral requirements

Importance of water