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  • The most important ingredient in saliva from the perspective of digestion is an enzyme which initiates the breakdown of carbohydrates. This enzyme is  <div cl

The most important ingredient in saliva from the perspective of digestion is an enzyme which initiates the breakdown of carbohydrates. This enzyme is

 

Option: 1

Pepsin

 


Option: 2

Trypsinogen

 


Option: 3

Cholecystokinin

 


Option: 4

Ptyalin

 


Answers (1)

best_answer

 

 

Salivation -

  • The secretion of salivary glands is called saliva.
  • The secretion of saliva is called salivation.
  • Saliva is essentially (95.5 per cent) water. 
  • The remaining 4.5 per cent is a complex mixture of ions, glycoproteins, enzymes, growth factors, and waste products.
  • The most important ingredient in saliva from the perspective of digestion is the enzyme salivary amylase, also called ptyalin, which initiates the breakdown of carbohydrates.
  • Bicarbonate and phosphate ions function as chemical buffers, maintaining saliva at a pH between 6.85 and 7.4.
  • Salivary mucus helps lubricate food, facilitating movement in the mouth, bolus formation, and swallowing. 
  • Saliva contains immunoglobulin A, which prevents microbes from penetrating the epithelium, and lysozyme, which makes saliva antimicrobial.

 

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The most important ingredient in saliva from the perspective of digestion is the enzyme salivary amylase, also called ptyalin, which initiates the breakdown of carbohydrates. Hence, the correct answer is option d.

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Nehul

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