The Dukan Diet : The revolutionary French solution for permanent weight loss

Wednesday, July 16, 2014

Soluble Fiber

Dietary fiber is the part of food that is not affected by the digestive process in the body. Only a small amount of fiber is metabolized in the stomach and intestine, the rest is passed through the gastrointestinal tract and makes up a part of the stool.

There are two types of dietary fiber, soluble and insoluble. Soluble fiber retains water and turns to gel during digestion. It also slows digestion and nutrient absorption from the stomach and intestine. Soluble fiber is found in foods such as oat bran, barley, nuts, seeds, beans, lentils, peas, and some fruits and vegetables. Insoluble fiber appears to speed the passage of foods through the stomach and intestines and adds bulk to the stool. It is found in foods such as wheat bran, vegetables and whole grains.

Fiber is very important to a healthy diet and can be a helpful aid in weight management. One of the best sources of fiber comes from legumes, the group of food containing dried peas and beans.


Functions of Soluble Fiber
  • bind with fatty acids
  • prolong stomach emptying time so that sugar is released and absorbed more slowly


Benefits of Soluble Fiber

  • lower total cholesterol and LDL cholesterol (the Bad cholesterol) therefore reducing the risk of heart disease
  • regulate blood sugar for people with diabetes

Best Food Sources of Soluble Fiber

  • Oat/Oat bran
  • Dried beans and peas
  • Nuts
  • Barley
  • Flax seed
  • Fruits such as oranges and apples
  • Vegetables such as carrots
  • Psyllium husk


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