Turn Juice to Alcohol via Chemical Reaction

This page is the CodyCross answer for the clue below from Forests, Group 1981, Puzzle 4 (Bushcraft and Camping).

Question is: Turn Juice to Alcohol via Chemical Reaction

and the answer is: FERMENT

Word Meaning:

FERMENT — To react, using fermentation; especially to produce alcohol by aging or by allowing yeast to act on sugars; to brew.

Definitions from Wiktionary.