Knowing which foods are acidic and which ones are basic will come in handy when you’re canning. Base foods need to be processed at a much higher temperature than acidic foods due to the need to ...

A food with a pH below 4.6 is high in acid. This includes many citrus fruits, plums, grapes, pomegranates, and several other fruits. Tomatoes, which are technically a fruit, are also acidic. Defining ...

Medically reviewed by Jonathan Purtell, RDN Key Takeaways Acidic foods and beverages such as citrus fruits, tomatoes, coffee, and fruit drinks may worsen symptoms for people with conditions like acid ...