Question

Precursor of which one of the following vitamins comes from β-carotene? 

(a) Vitamin-A 

(b) Vitamin-C

(c) Vitamin-D

(d) Vitamin-K

Answer 1

(a) Vitamin-A 

Precursor of vitamin-A comes from β-carotene. In human body. β-carotene gets converted into retinol, which is called vitamin-A. Thus, β-carotene is a precursor (inactive form) of vitamin-A and also called provitamin-A carotenoid.

Answer 2

All-trans-β-carotene is the most suitable and important precursor for vitamin A