Question
Pyridoxine deficiency leads to altered metabolism of:
| A. | Phenylalanine |
| B. |
Tryptophan |
| C. |
Methionine |
| D. |
Tyrosine |
Show Answer
|
Correct Answer � B Explanation |
 |
Ans. is ‘b’ i.e., Tryptophan
A tryptophan load test is used for pyridoxine.
In pyridoxine (vitamin B6) deficiency, xanthurenic acid excretion is increased after giving a tryptophan load dose.