Functions of Nutrients in the Human Body
Understanding the Functions of Nutrients in the Human Body
- Familiarise yourself with the fundamental concept of nutrients, substances required by the body for growth, maintenance and repair.
- Identify the six major classes of nutrients essential to the human body: carbohydrates, proteins, fats, vitamins, minerals, and water.
- Understand that each nutrient type plays crucial roles in body functions and overall health.
Functions of Carbohydrates
- Know that carbohydrates are typically the body’s primary source of energy.
- Understand that they are used instantly for immediate fuel as glucose, stored as glycogen in muscles and the liver for future use, or converted into fat.
Functions of Proteins
- Recognise that proteins are foundational components of body tissue including muscle, skin, hair, and nails.
- Know that proteins are essential for cell growth, repair, and maintenance.
- Understand that proteins are critical for the production of enzymes, hormones, antibodies, and neurotransmitters.
Functions of Fats
- Identify that fats are energy-dense nutrients that offer the highest concentration of energy among all the nutrients.
- Learn that fats form a protective cushion around vital organs, assist in maintaining body temperature and aid in the absorption of fat-soluble vitamins.
- Remember that certain fat types, such as omega-3, are essential for heart health and brain function.
Functions of Vitamins and Minerals
- Recognise that vitamins and minerals are needed in smaller quantities but are essential for various bodily processes.
- Know that they regulate cell function, aid in tissue growth, support the immune system, and help convert food into energy.
- Be aware that some, like vitamin D and calcium, work together for optimum absorption and function.
Functions of Water
- Understand that water is essential in every bodily function.
- Be mindful that water aids in digestion, nutrient absorption, temperature regulation, and waste removal.
- Remember that water helps to maintain the balance of bodily fluids, including blood, saliva, and tears.
Importance of Nutrients in the Hospitality and Catering Sector
- Grasp the responsibility of the hospitality and catering sector in preparing and serving food rich in essential nutrients.
- Understand the significance of a varied menu to meet a wide range of dietary needs and preferences.
- Recognise the need for clear food labelling for transparency about nutritional content, allergens and ingredients.
- Comprehend the role of ongoing staff training in nutrition and dietary requirements to provide informed advice to customers.