Below you can find the Add lemon juice to canned tomatoes to keep the level of this high enough to prevent botulism Jeopardy Words Answer. The answer to Add lemon juice to canned tomatoes to keep the level of this high enough to prevent botulism has 7 letters. This clue belongs to the Yes, i can category and is part of Jeopardy Word Level 1563. If you scroll near the bottom you will find other clues and answers part of level 1563