For lunch you eat a turkey and cheese sandwich on 100% whole wheat bread, a bana
ID: 215094 • Letter: F
Question
For lunch you eat a turkey and cheese sandwich on 100% whole wheat bread, a banana, a bottle of chocolate milk (contains added sugar), and carrot sticks with hummus. Given this information:
Name which foods contain each of the monosaccharides, disaccharides, and polysaccharides. If the food contains a disaccharide or polysaccharide, also include its name in the list for the respective monosaccharide.
Describe the process of digestion & absorption for the sources of carbohydrate in the diet.
What happens to these sources of carbohydrate in post-absorption?
Explanation / Answer
Chocolate milk with added sugar is the food that contains each of the monosaccharide (sucrose or glucose), disaccharide (milk containing lactose) and the polysaccharide in the chocolate.
Digestion:
The process of getting carbohydrate from the food is termed as carbohydrate metabolism. The process of carbohydrate digestion starts from the mouth. Salivary amylase helps in the hydrolysis of carbohydrate in the mouth. After reaching the food into the stomach salivary amylase denatured and the other enzyme called pancreatic amylase that occur in the small intestine start hydrolysis of the carbohydrates like starch.
Absorption:
Through the wall of the small intestine, the monosaccharide units of the carbohydrate enter into the portal vein. This takes them into the liver.
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