What Are Some Low-Acid Fruits?

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Some examples of low-acid fruits include those in the melon family and bananas, according to WebMD. Watermelon, cantaloupe and honeydew melon are all low in acid. Many fruits that are not part of the citrus family may be appropriate for those needing to stick to a low-acid diet.

Other examples of low-acid fruits include figs, pears, dates, persimmons and papaya. In general, if a food is sour, it is likely to have a higher acid content. The way a fruit is prepared can also affect its acid content. Low-acid preparation methods include pickling, drying, freezing and, depending on the recipe, canning. Canning often requires adding acid to foods to keep them from spoiling, so it's important to avoid these foods unless the preparation methods are known.

Fruits, and all other foods, are designated as low acid if they have a pH level between 4.6 and 6.9. Foods with a pH level of 7.0 or higher are considered alkaline, and those with a pH of 4.5 or lower are acidic.

A low-acid diet can help those suffering from heartburn or other acid-related conditions ease their symptoms, according to WebMD. Most vegetables and grain are also low in acid, including oatmeal, whole grain breads, meat, eggs and fish.