- Current section: Introduction
- Learning outcomes
- 1 Vitamins
- 4 Minerals, electrolytes and fluids
- 4.1 Introduction to minerals and why we need them
- 4.2 Major minerals
- 4.3 Calcium (Ca)
- 4.4 Phosphorus (P), magnesium (Mg) and sulphur (S)
- 5.1 Sodium (Na), chlorine (Cl) and potassium (K)
- 6.1 Trace elements
- 7.1 Fluorine (F)
- 8.1 Iodine (I)
- 9.1 Iron (Fe)
- 10.1 Selenium (Se)
- 10.2 Zinc (Zn)
- 10.3 Fluid balance
- 10.4 Key points about minerals
- Acknowledgements
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Nutrition: Vitamins and minerals
Both vitamins and minerals are essential in the diet in small quantities.The...
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, oxygen and nitrogen that are found in the body. This unit looks at the two main groups of vitamins: the fat-soluble vitamins A, D, E and K, and the water-soluble vitamins, those of the B group and vitamin C. It also examines the major mineral elements, and the importance of fluid balance in the body.
After studying this Unit you should know:
- that certain minerals are required in the body and that some minerals form essential structural components of tissues;
- that sodium, potassium, calcium and chloride ions are important in maintaining the correct composition of cells and of the tissue fluids around them (homeostasis);
- that some minerals are essential components of important molecules such as hormones and enzymes;
- that the correct fluid balance is essential for normal functioning of the body;
- that tapwater, and not just mineral water, contains minerals.
- Duration: 10 hours
- Published on: Tuesday 2nd November 2010
- Level: Introductory
- Posted under: Biology
Contents
Nutrition: Vitamins and minerals
Introduction

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, oxygen and nitrogen that are found in the body.
This unit looks at the two main groups of vitamins: the fat-soluble vitamins A, D, E and K, and the water-soluble vitamins, those of the B group (numbered B1, B2, etc.) and vitamin C. It also examines the major mineral elements, and the importance of fluid balance in the body.
This unit is an adapted extract from the Open University course Understanding human nutrition (SK183) [Tip: hold Ctrl and click a link to open it in a new tab. (Hide tip)]
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- Creative-Commons: The Open University is proud to release this free course under a Creative Commons licence. However, any third-party materials featured within it are used with permission and are not ours to give away. These materials are not subject to the Creative Commons licence. See terms and conditions. Full details can be found in the Acknowledgements section.
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