Physiochemical Properties of Dietary Fibre: Solubility in Water

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Which factor does NOT influence Water Holding Capacity (WHC) according to the text?

Fiber's solubility in water

Degree of processing of food

pH of the GI tract

Presence of cellulose lignin (correct)

What does Water Holding Capacity (WHC) refer to?

The thickness of the mucin-rich water layer in the small intestine

The ability of soluble fiber to absorb water in the digestive tract (correct)

The rate of lipid absorption in the large intestine

The speed of fecal passage through the colon

How do coarsely ground bran particles differ from finely ground ones?

They decrease fecal volume

They have lower Water Holding Capacity (WHC)

They slow down the rate of fecal passage

They increase hydration capacity (correct)

What effect does soluble fiber have on lipid absorption in the digestive tract?

It binds fatty acids and prevents their absorption Signup and view all the answers

How do gums impact glucose absorption within the intestinal lumen?

They slow down glucose absorption by reducing convective movement Signup and view all the answers

What effect do soluble fibres generally have on gastric emptying?

Delay gastric emptying Signup and view all the answers

Which type of dietary fibre dissolves in hot water?

Water soluble fibre Signup and view all the answers

Which component is capable of forming highly viscous solutions?

Pectin Signup and view all the answers

What is the role of viscous polysaccharides in the small intestine?

Disrupt mixing of enzymes and substrates Signup and view all the answers

How do water retaining pectins and gums impact glucose appearance in the plasma?

Blunt the appearance of glucose Signup and view all the answers

Physiochemical Properties of Dietary Fibre: Solubility in Water

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Questions and Answers

Which factor does NOT influence Water Holding Capacity (WHC) according to the text?

What does Water Holding Capacity (WHC) refer to?

How do coarsely ground bran particles differ from finely ground ones?

What effect does soluble fiber have on lipid absorption in the digestive tract?

How do gums impact glucose absorption within the intestinal lumen?

What effect do soluble fibres generally have on gastric emptying?

Which type of dietary fibre dissolves in hot water?

Which component is capable of forming highly viscous solutions?

What is the role of viscous polysaccharides in the small intestine?

How do water retaining pectins and gums impact glucose appearance in the plasma?

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