Fats in foods are a source of energy in our body, so it is from them that you get some calories.
But
note that fats are not “the energy source”, only one of them. There are
other energy nutrients -- such as carbohydrates or protein -- and is
the union of all these nutrients is the fat content in foods.
Regarding the contribution of fat to the constitution calorie food,
it is important to know that each gram of fat gives us 9 calories --
this is the most caloric nutrient.
CALORIE:
Quantity of heat required to raise the temperature of 1 kilogram
(equivalent to 1 liter) of water from 14.5 C to 15.5 C. Although we
speak of calories, kilocalories are the correct term to say, that’s why
the symbol used is kcal.
Fibers
Dietary fibers have no energy value, but they play an important role
in digestion and absorption of nutrients. They are present mainly in
foods of low glycemic index.
There are two types of fibers:
- Soluble -- limit the digestive absorption and help prevent the risk of atherosclerosis by reducing bad cholesterol. Ingestion leads us to feel a greater sense of satiety.
- Insoluble -- allow a good intestinal transit. Without them we suffer from constipation.
For the fibers can play the best of your paper, should also consume a sufficient amount of liquid.
Dietary Fibers
The fibers help you lose weight?
The fibers have a beneficial effect -- although indirectly -- in
cases of obesity. Because they do not provide calories, they help to
make a reduced calorie meal that satisfies. And, simultaneously, help to
reduce the absorption of food, this is why fibers are a good choice for
your diet to lose weight fast.
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