143nutrition4 - – carbohydrates 4 kcal/g – alcohol 7...

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4 Energy Kilocalorie - measure of energy content – 1 kcal = heat needed to raise 1L of water 1degree Celcius – common term - calorie – 2000 kcal / day on average Biomolecules provide energy – Fats - 9 kcal/g – protein - 4 kcal/g – carbohydrates - 4 kcal/g
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Unformatted text preview: – carbohydrates - 4 kcal/g – alcohol - 7 kcal/g • quantity - water is most significant – body is 60 % water • vitamins and minerals needed in very small quantities - still vital • all foods are a mixture of nutrients...
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