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Question

Which is the first enzyme to mix with food?


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Solution

Ptyalin:

  1. Food digestion begins in the mouth due to an enzyme found in saliva that aids in the breakdown of starch.
  2. Ptyalin is another name for it. The buccal cavity has two purposes: mastication of food and swallowing facilitation.
  3. The teeth and tongue masticate and fully combine the meal with the help of saliva.
  4. Saliva mucus aids in the lubrication and adhesion of masticated food particles into the bolus.
  5. Pepsin is a protein-digesting enzyme released by the stomach's gastric glands. In the small intestine, the pancreas secretes pancreatic juice.
  6. It contains digestive enzymes such as trypsin.
  7. Cellulase is an enzyme complex that degrades cellulose.
  8. Most animals, including humans (excluding ruminants), do not make cellulase and hence cannot use the majority of the energy contained in plant material.
  9. In the small intestine, pancreatic amylase, trypsin, and lipase, as well as intestinal peptidases and maltase, chemically digest food.
  10. Chemical digestion produces simpler molecules, which are then absorbed by small intestinal villi.
  11. The large intestine is the organ responsible for the reabsorption of water and salts from undigested meals as well as the removal of any residual undigested material from the body.
  12. Electrolytes and enzymes, such as salivary amylase and lysozyme, are found in saliva released in the mouth cavity.
  13. The oral cavity is where the chemical process of digesting begins.
  14. The hydrolytic action of the carbohydrates splitting enzymes, salivary amylase, is responsible.
  15. Therefore, Amylase is the first enzyme to interact with food.

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