Dietary fiber: Recommended daily fiber

daily fibersWhat is the recommended daily fiber intake?
Worldwide recommends Twenty-five grams of fiber per day for individuals whose diets Prev 2000 calories. In men with greater caloric intake (3000 calories) intake of fiber should be thirty-five grams.

Unfortunately in many countries, including Argentina, the daily fiber intake does not meet the fifteen grams. We are well below the recommended values. From three to eighteen recommended intake of fiber is calculated by adding five to the age, for example, a six-year-old needs only eleven grams of fiber.

The proportion of fiber foods require more chewing time. Does it contribute to profitability this?

Having to chew longer and because of the ability to absorb much more water and increase its volume, fiber contributes to feelings of satiety. In addition, the Chewing stimulates saliva production which helps in the digestive process.

This is a good example of that increasing dietary fiber can achieve weight control. Fiber also may help lower blood cholesterol levels and control blood sugar.

What is the mechanism by which some fiber help prevent cardiovascular disease?
In the gastrointestinal tract fibers bind to bile acids and cholesterol by preventing its reabsorption and thus increasing its excretion. In this way diminishes the pool of endogenous cholesterol and blood levels fall. The fibers cleanse the body helping to eliminate bacteria, toxins and saturated fats.

How does a diet high in fiber changes the bacterial flora in the gut?

Epidemiologic observations show that when consumption prevails a mixed diet in which foods of animal origin constitute a major proportion, develops a variety of species of Bacteroides and Gram-negative bacteria, unlike what happens in diets high fiber. Anaerobic bacteria act on bile acids and cholesterol generating products that can take action to degrade carcinogenic or co-carcinogenic. The flora is varied fiber decreases the amount of potential cancer-causing substances in the colon.

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