METHANOL Canning fruits & vegetables ↑ methanol by staggering amounts. While there is probably nothing better than consuming a glass of freshly squeezed juice, canned or bottled versions of juice destroys its original nutritional benefits. Any canned or bottled juice contains methanol. This is true of home-canned products as well as those commercially produced. Methanol could be the reason some have reported consuming canned juices has produced the greatest enlargement of their PLD liver.