enzymes in intestine responsible for digestion of carbohydrates are found specifically in the
The complex carbohydrates in whole-grain bread are broken down by enzymes during digestion. Carbohydrates, abundantly present in foods such as breads, cereals, fruits and vegetables, are the main source of energy in a diet.lthough fiber resists enzyme action and is not broken down during digestion, break down of starch by enzymes starts in the mouth.