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Characteristics of nutrients

• In nutrition it expresses the power obtained from food
• The unit expressing energy is cal (calorie)
• International organizations use joule
• 1000 cal = 1 kcal
• 1 kcal = 4.18 joule
• * 1 kcal is the energy required to increase 1 kg of water to 14.5 degrees to 15.5 degrees (1 degree)

Function of nutrients

• Source to move the body
• Make the brain function
• Motive force to live
• Lots of activity = Lots of energy consumption
• The balance between activity level and energy is important
• Energy is necessary to maintain life, such as moving organs even when resting
• If you take more energy (carbohydrates or lipids) than the amount used in the activity amount, that amount is accumulated in the body

When nutrients are deficient

• too skinny
• Get tired easily
• Declining thinking ability
• Decreased exercise capacity

When nutrients overdose

• obesity
• Glycosuria

Food that contains a lot of energy

Summary

• Energy is an essential nutrient for living
• It is important to take it in good balance
• The amount ingested changes depending on gender, height, weight, and momentum