How does the acidic medium in the small intestine is converted into alkaline for pancreatic enzymes?
Answers
Explanation:
The pancreatic enzymes and intestinal enzymes are optimally active in alkaline pH (8.0-8.4) in the small intestine.
Thus, the acidic food from stomach is made alkaline by the action of bile.
Bile is alkaline in nature as it contains organic salt known as bile salt.
The acidic medium in the small intestine is converted into alkaline for pancreatic enzymes by secretion bile juice.
Explanation:
1. In stomach, the food gets mixed with HCl acid and hence becomes acidic.
2. But for the enzymes to react on the food in intestine, the medium must be basic or alkaline. It is because the intestinal as well as pancreatic enzymes needs alkaline environment to breakdown or react upon the food.
3. Therefore, liver secretes a fluid called bile juice which is responsible for making the medium alkaline which then helps the enzymes there to breakdown the food.
4. The bile juice has substances called bile salts in it due to which it is alkaline.
5. Important point to note is that this bile juice is stored in gall bladder but is secreted by liver.
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