Salivary amylase is Inactivated by –
Correct Answer: Low pH of the stomach
Description: Ans. is 'b' i.e., Low pH of the stomach o Saliva contains amylase (salivary amylase or ptyalin), which hydrolyzes starch into disaccharide maltose and a mixture of oligosaccharides. o Its action is very short- lasting because it is inactivated by acidic gastric pH (< 3) shortly after entering the stomach. Salivary amylase optimally active at pH of around 6.9 (6.5 - 7). o It is inactive at a pH below 4.5.
Category:
Physiology
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now