Proper Name for Vitamin B1

This page is the CodyCross answer for the clue below from Performing Arts, Group 890, Puzzle 1 (The London Palladium).

Question is: Proper Name for Vitamin B1

and the answer is: THIAMINE

Word Meaning:

THIAMINE — (biochemistry) One of the constituents of vitamin B complex, found in meat, yeast and bran, that is necessary for the metabolism of carbohydrates.

Definitions from Wiktionary.