FIBER
FST307 LEC : Madam Nur Sabrina Binti Munawwar
Name : Muhammad Hafizzudin Bin Norazahar
Muhammad Faiz Bin Mohd Yudin
Mohamad Iqmal Bin Abd Rashid
Ahmad Harith Bin Amiruddin
WHAT IS FIBER ???
Fiber is material that we cannot digest (the cell wall in plants made of a carbohydrate called cellulose is very difficult to digest Dietary fibers are often described as nonstarch polysaccharides.
Fiber is also known as roughage is essential in the human diet to help exercise the muscles of the digestive tract.
An adequate amount of fiber in the diet has been shown to reduce the risks of colon and rectal cancers HOW DOES FIBER WORK ??
Fiber affects the rate of digestion of foods, the absorption of nutrients, and the movement of waste products (stool) through the colon. It also provides a substrate for beneficial intestinal bacteria.
Dietary fiber includes water-soluble and insoluble types, which have different functions in the body.
Insoluble fiber attracts water to the intestine, increasing the bulk, alleviate constipation and softness of waste products.
Good sources of insoluble fiber are whole grain products, green beans, potato skins, carrots, cucumbers, squash, celery, tomatoes, nuts, and seeds.
Soluble fiber softens stool. It also ferments in the intestine and produces subtances can help lower blood cholesterol, slow the absorption of carbohydrate from foods, and help stabilize blood sugar levels. Good sources are oatmeal, oat bran, nuts, seeds, legumes, sweet potatoes, apples, pears, plums, prunes, and berries. Mouth
The mechanical action of the mouth crushes and tears fiber in food and mixes it with saliva to moisten it for swallowing. FIBER
DIGESTION
Small intestine
Fiber is not digested, and it delays absorption of other nutrients Stomach
Fiber is not digested, and it delays gastric emptying Large Intestine - Most fiber passes intact through the digestive tract to the large intestine. Here,