Food Calories

What are food calories meaning ?  Food calories actually are the amount of energy of food that is available through digestion.  We supply our body with food calories which is derived from carbohydrates, protein and fat.  Digestible carbohydrates provide about 4 kilo calories energy per gram equivalent to that provided by 1 g protein and less than the 9 kilo calories provided by 1 gram fat.

How to measure the food calories is by burning the food in a calorimeter, so that the heat released from the food can be measured.  Each food has a specific metabolizeable energy intake as 85% for a normal human, which represent the loss of food calories happening during body metabolism.

We can find out how many calories in a food just by looking at the nutrition facts label.  In that label, we can find out how many carbohydrates, protein and fat in the food and multiplying by 4 kilo calories, 4 kilo calories and 9 kilo calories respectively to calculate how many calories in the food.

How many food calories we need ?  We consumed food calories for maintain our body metabolism and activity.  That’s why our requirement of food calories depends on our age, our gender, our activity, our lifestyle, and our body.  Anyone has different requirement of food calories.

Some people watch their calories and forget that the important things are not low calories food but balanced food that meet our requirement of our body.  It is included macronutrients such as carbohydrates, protein and fat, and micronutrient such as vitamins and minerals.

Healthy Eating Tips, Techniques and Secrets to Losing Weight and Living Healthier ...Read More

Custom Search