Both vitamins and minerals are essential in the diet in small quantities.The term ‘vitamin’ was not coined until early in the 20th century, to describe those chemicals in food without which a pattern of deficiency symptoms (often called a deficiency syndrome) occurs. Minerals, also called mineral elements, are those elements other than carbon, hydrogen... View course on original website...

This Unit studies 'proteins'. Starting with a simple analysis of the molecular make up, the Unit moves on to look at the impotance of protein and how they are digested and absorbed View course on original website...