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determination of acid contents in sour fruites like lemon tomato okrangr sweet lemob etc..(maximum 5 fruites should be their

determination of  acid contents in sour fruites like lemon tomato okrangr sweet lemob etc..(maximum 5 fruites should be their

Grade:

1 Answers

ruchi yadav
askIITians Faculty 27 Points
7 years ago

Acid foods are foods that contain enough acid to have a pH of 4.6 or lower. They include fruits, pickles, sauerkraut, jams, jellies, marmalades, and fruit butters. Acidic foods can be processed safely in a boiling water canner, usually without added acid (lemon juice, vinegar or citric acid). This is necessary to control botulinum bacteria. Acidity may be natural, as in most fruits, or added, as in pickled food. Low-acid canned foods are not acidic enough to prevent the growth of these bacteria. Acid foods contain enough acid to block their growth, or destroy them more rapidly when heated. The acidity level in foods can usually be increased by adding lemon juice, citric acid, or vinegar, although this by itself, does not mean the recipe is safe.

Low-acid foods have pH values higher than 4.6 up to 6.9. (non-acidic, or alkaline foods have pH values of 7.0 or greater) .They include red meats, seafood, poultry, milk, and all fresh vegetables except for most tomatoes. Most mixtures of low-acid and acid foods also have pH values above 4.6 unless their recipes include enough lemon juice, citric acid, or vinegar to make them acid foods.



Thank You

Ruchi

Askiitians Faculty

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