Functions of nutrients

These are the Hover overs used on the Nutrition Program to help you find the function of nutrients. The Program shows you what nutrients are in your recipes.

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WJEC Vocational Award Level 1/2 Hospitality and Catering Unit 2 AC1.1 Describe functions of nutrients in the human body 

Energy – Measured in KJ and Kcal. Needed to keep us alive and active.
Protein – Needed for growth and repair, a source of energy.
Carbohydrates – A source of energy.
Total sugars are all types of sugar in food. A source of energy.
Fat – Good source of energy and supplies essential fatty acids that the body can’t make.
Saturated fat – Too much saturated fat can increase the cholesterol in the blood.
Trans fatty acids – These raise the type of cholesterol in the blood that increases the risk of heart disease.
Starch – Polysaccharide made up of glucose units. Used for energy.
Salt – Essential for cells and control of body fluids. Limit intake to 6g a day.
Sodium – Salt is made from sodium chloride.
Total sugars – All types of sugar in the food.
Fibre – Needed to keep the gut healthy and prevent constipation. Non Starch polysaccharide – needed for healthy digestive system.
NSP Fibre Non Starch polysaccharide – needed for healthy digestive system.
AOAC Fibre – Fibre measurement AOAC includes lignin and resistant starch – higher figure than NSP.
Fat soluble vitamins A and D, E
Vitamin A – Needed for growth, development and eyesight. Retinol and Carotene
Vitamin D – Regulates the amount of calcium and phosphate in the body.
Vitamin E – Helps protect cell membranes by acting as an antioxidant.
Water soluble vitamins -B1 (thiamine), B2 (riboflavin),B3 (niacin),B6 (pyridoxine)
Vitamin C – Needed for healthy skin and tissue, and to aid the absorption of iron. Ascorbic acid
Thiamin – Needed for the release of energy from carbohydrates.(B1)
Riboflavin – Helps release energy from carbohydrates.
Niacin – Needed for the release of energy from carbohydrates.
Vitamin B6 Pyridoxine – essential for good health and red blood metabolism.
Folate – Prevents neural tube defects in developing embryos. (B9)
Vitamin B12 – for blood cells and nerve function. (cobalamin),
Vitamin K – Helps protect cell membranes by acting as an antioxidant.
Minerals – calcium, iron, sodium, phosphorus, iodine,
Calcium – Helps build strong bones and teeth.
Iron – Helps make red blood cells, which carry oxygen around the body.
Phosphorus – Helps build strong bones and teeth.
Iodine – Helps make the thyroid hormones and keep metabolic rate healthy
Water – All body functions need water.

Function of Nutrients

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