Which of the following foods can someone who has lactoseintolerance eat?(a) ice cream(b) french fries(c) a chocolate milkshake

Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
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Which of the following foods can someone who has lactose
intolerance eat?
(a) ice cream
(b) french fries
(c) a chocolate milkshake

Expert Solution
Step 1

Lactose intolerance is a condition where an individual cannot fully digest lactose, due to either absence or a reduced amount of the lactase enzyme in the intestine, leading to an exhibition of gastrointestinal symptoms, after consuming food or drinks containing lactose. These symptoms appear due to the malabsorption of lactose. The undigested lactose present in the intestine of a lactose-intolerant individual is acted upon by the bacteria to form fluid and gas.

Step 2

Lactose is the disaccharide, constituting galactose and glucose subunits, present in milk and dairy products. A lactose intolerant person can eat french fries (that is not frozen) since it is devoid of lactose. 

Hence, the correct option is b. 

 

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