The litmus test for tomato acidity

3.08-Left-Inset-ImageThere are many varieties of tomatoes available for us to choose from – heirlooms to the newer hybrid varieties. Over the years, the acidity level of tomatoes has been researched, and data collected resulted in the United States Department of Agriculture issuing a statement in 1976 that certain varieties of tomatoes were considered low acid foods and that they must be processed as low acid foods. Since that time, recommendations are to add acid to all tomato products being processed at home.

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The Litmus Test for Tomato Acidity

3.08-Left-Inset-ImageThere are many varieties of tomatoes available for us to choose from – heirlooms to the newer hybrid varieties. Over the years, the acidity level of tomatoes has been researched, and data collected resulted in the United States Department of Agriculture issuing a statement in 1976 that certain varieties of tomatoes were considered low acid foods and that they must be processed as low acid foods. Since that time, recommendations are to add acid to all tomato products being processed at home.

Continue reading