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Benefits of Bran & Types of Fibre

Posted Mar 22 2009 3:38pm

Everything you need to know about bran.

Bran, the outer coverings of grains, is one of the richest sources of dietary fibre.
And it contains several types of fibre including cellulose, hemicellulose and pectin. Wheat and corn bran are highly beneficial in relieving constipation.
Experiments show that oat bran can reduce cholesterol levels substantially. Corn bran is considered more versatile. It relieves constipation and also lowers LDL cholesterol, which is one of the more harmful kinds.
Besides being rich in fibre, bran has a real food value being rich in time, iron and vitamins and containing a considerable amount of protein.
More things you know about fibre

There are six classes of fibre. They are cellulose, hemicellulose, pectin, gums, mucilage and
lignin. They differ in physical properties and chemical interactions in the gut, though all except
lignin are polysaccharides. The facts known so far about these forms of fibre as a result of
various studies are discussed below.
Cellulose: This is the most prevalent fibre. It is fibrous and softens the stool. It abounds in fruits,
vegetables, bran, whole-meal bread and beans. It is also present in nuts and seeds. It increases the bulk of intestinal waste and eases it quickly through the colon. Investigations indicate that these actions may dilute and flush cancer-causing toxins out of the intestinal act. They also suggest that cellulose may help level out glucose in the blood and curb weight gain.

Hemicellulose: It is usually present wherever cellulose is and shares some of its traits. Like
cellulose, it helps relieve constipation, waters down carcinogens in the bowel and aids in
weight reduction. Both cellulose and hemicellulose undergo some bacterial breakdown in the
large intestine and this produces gas.

Pectin: This form of fibre is highly beneficial in reducing serum cholesterol levels. It, however,
does not have influence on the stool and does nothing to prevent constipation. Researches are
being conducted to ascertain if pectin can help eliminate bile acids through the intestinal tract
thereby preventing gallstones and colon cancer. It is found in apples, grapes, berries, citrus
fruits, guava, raw papaya and bran.

Gums and Mucilages: They are the sticky fibres found in dried beans, oat bran and oatmeal.
Investigations have shown that they are useful in the dietary control of diabetes and cholesterol.

Lignin: The main function of lignin is to escort bile acid and cholesterol out of the intestines. There is some evidence that it may prevent the formation of gallstones. It is contained in cereals, bran, whole meal flour, raspberries, strawberries, cabbage, spinach, parsley and tomatoes.

The best way to increase fibre content in the diet is to increase the constipation of wholemeal
bread, brown rice, peas beans, lentils, root vegetables and sugar-containing fruits, such as
dates, apples, pears and bananas. The intake of sugar, refined cereals, meat, eggs and dairy
products should be reduced. Candies, pastries, cakes which are rich in both sugar and fat,
should be taken sparingly. White processed bread should be completely eliminated from the diet.
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