Provitamin

Provitamin

Question 1. Provitamins 
Answer: It is a substance that may be converted within the body into a vitamin

It is a substance with little or no vitamin activity but can be converted to an active form by normal metabolic processes

Example:

• Provitamin B5 is panthenol which may be converted in the body to vitamin B5
• Provitamin A is (3 carotenes, the body uses an enzyme to convert it to retinol

“Understanding provitamins through FAQs: Composition, functions, and uses explained”

Question 2. Name the vitamin which has antioxidant properties.
Answer:

Vitamins having antioxidant properties are:

• Vitamin E
• Vitamin C

Question 3. What are the different types and features of beriberi?
Answer:

“Importance of studying provitamins for nutrition students: Questions explained”

Question 4. Name a vitamin that acts as an antioxidant (or) Name a vitamin that acts as a steroid hormone 
Answer:

• Vitamin as an antioxidant – vitamin E and vitamin C
• Vitamin as steroid hormone – vitamin D

“Factors influencing success with provitamin studies: Q&A”

Question 5. Rickets 
Answer:

• Vitamin D deficiency causes Rickets in children
• Features:
• Bone deformities
• Incomplete bone mineralization
• Bones become soft
• Teeth formation is delayed
• Bowed legs
• Decreased plasma level of calcitriol
• Elevated alkaline phosphatase activity