Components of food

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Aleksandra Urbanowska


nutritive value energetic value

GDA (Guideline Daily Amounts)


Functions:  Source of energy  Fats protect our internal organs.  Some fats are vital for the formation of hormones.  Vitamins A, D, E and K can only be digested, absorbed, and transported in conjunction with fats.


Fats can be divided into:  Saturated fats – butter, cheese, meat, meat products like sausages or hamburgers  Monounsaturated fats – olives, nuts, avocado  Polyunsaturated fats – fish (e.g. salmon), soybean, sunflower seeds, corn


Functions:  They build our organism  They help to regenerate the body  They are important for the growth of the body


They are a source of energy. Carbohydrates can be divided into:  Monosaccharides  Oligosaccharides – e.g. disaccharides  Polysaccharides


fat-soluble and water-soluble vitamins There are currently 13 recognized vitamins. Vitamin deficiency – usually develops slowly over months. Symptoms may be subtle at first.


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RNA, DNA formation of bones and teeth making protein for the growth, maintenance, and repair of cells and tissues


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The osmotic pressure in the cells and tissues is well maintained when there is optimal chloride level in the blood. Main sources of chlorine are whole grain products, cheese and seaweed.


Potassium is essential for maintaining proper fluid balance, nerve impulse function, muscle function, cardiac (heart muscle) function.

It is one of the main blood minerals called "electrolytes”.


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www.ucreative.com http://www.medicalnewstoday.com/articles/ 195878.php http://zdrowezywienie.edu.pl/mineraly.htm www.epicgardening.com http://www.nutristrategy.com/nutrition/pota ssium.htm


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