Consumer advocate: Even if one can of fruit or vegetables weighs more than another, the heavier can does not necessarily contain more food  Canned fruits and vegetables are typically packed in water, which can make up more than half the total weight of the can' s contents
And nothing stops unscrupulous canning companies from including more water per can than others include
The weight of the water in a can of fruit or vegetables can be more than half the total weight of the can's contents.