Do Low Acid Tomatoes Exist?

My mother used to grow “low acid” tomatoes because high acid levels gave her mouth cankers, or so she thought. There is a concern that canning low acid tomatoes causes botulism because the acid level is too low.

Lots of seed companies and garden blogs talk about low acid tomatoes and usually identify yellow, orange and small fruited varieties as low acid. Some claim that modern breeding has increased the acidity of tomatoes and that heirlooms have less acid. Others claim that there is no such thing as low acid tomatoes.

It turns out that this story starts as a myth. People tried to correct the myth only to create a new myth in the process. I’ll have to debunk the debunkers.

Do Low Acid Tomatoes Exist?
Do Low Acid Tomatoes Exist?, source: Arturo Feliz-Camilo

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