Answer
A nutrient is a digested chemical that is utilized in the body for growth repair and maintenance.
There are six major classes of nutrients; These are carbohydrates (CHO), proteins, fats (lipids), water, minerals and vitamins.
Macronutrients, those that we need in large amounts are CHO, proteins, lipids and water; the micronutrients are minerals and vitamins, of these we require very small amounts.
The major source of carbohydrates is plants. Only small amounts of glycogen are found in meat.
Some polysaccharides that we get from plants (lignin) are not digested, and do not enter human tissue,
however, some of these substances, specifically fibers, have important nutritional roles. Water-soluble fibers are obtained from sources like beans and oats; they reduce absorption of cholesterol and low density lipoproteins from the diet. Water-insoluble fibers are not digested but they add bulk to feces and protect against constipation and diverticulitis.
Work Step by Step
Nevertheless too much non-water-soluble fiber may decrease the absorption of iron, calcium, magnesium, and trace minerals.
