Is Apple Acidic?
Yes, apples are acidic.
Apples possess a pH level of approximately 3.5, classifying them as moderately acidic. This acidity stems from the presence of malic acid and ascorbic acid (vitamin C). While less acidic than citrus fruits like lemons, apples are more acidic than bananas and grapes. [^1][^2][^3] The specific acidity can vary depending on the apple variety; for instance, green apples are often more acidic than red apples. [^8] Even though apples are acidic, their acidity is significantly lower than stomach acid. [^4] Therefore, while some individuals may experience discomfort, many don't consider apples an overly acidic food. [^1][^2]
pH Scale and Acidity
The pH scale measures acidity, ranging from 0 to 14. A pH below 7 indicates acidity, with lower numbers representing stronger acidity. A pH of 7 is neutral, and a pH above 7 is alkaline. Apples' pH of around 3.5 falls firmly within the acidic range. [^10]
Apple Varieties and Acidity
The level of acidity can vary across different apple varieties. Some varieties may be slightly less or more acidic than others. For example, Golden Delicious apples are often cited as having lower acidity than other types. [^7]
Apples and Acid Reflux
While apples are acidic, their acidity is generally not severe enough to trigger acid reflux in everyone. However, individuals sensitive to acidic foods might experience discomfort. The impact on acid reflux may also depend on other factors such as the individual's gut health and the amount of apples consumed. [^4][^8][^9] Some research even suggests that apples, despite their acidity, can help lessen the effects of reflux disease because of their pectin content. [^6]
Conclusion
Apples are moderately acidic due to their malic and ascorbic acid content. Their pH typically falls around 3.5. While this acidity may affect some individuals, it's generally considered less acidic than many other fruits and not overly problematic for most.
[^1]: Robinette's Apple Haus & Winery in Michigan. Are Apples Acidic? Apr 6, 2023. https://robinettes.com/are-apples-acidic
[^2]: Various sources from April 6th, 2023.
[^3]: Verywell Health. Are Apples Acidic? pH, Acidity, Effect on Acid Reflux. May 22, 2024. https://www.verywellhealth.com/are-apples-acidic-8623591
[^4]: Healthline. Apples and Acid Reflux: Does It Work? May 9, 2024. https://www.healthline.com/health/digestive-health/apples-and-acid-reflux
[^6]: Kansas State University Research and Extension. How 'bout them apples: Non-citrus fruit helps lessen effects of reflux disease. May 12, 2021. https://www.ksre.k-state.edu/news/stories/2021/05/apples-help-lessen-effects-of-reflux-disease.html
[^7]: Quora. What is the least acidic Apple? Nov 15, 2020. https://www.quora.com/What-is-the-least-acidic-Apple
[^8]: Medical News Today. Apples and acid reflux: How they help, benefits, apples to try. Aug 10, 2023. https://www.medicalnewstoday.com/articles/apples-and-acid-reflux
[^9]: University of Chicago Medicine. Debunking the health benefits of apple cider vinegar. Aug 24, 2018. https://www.uchicagomedicine.org/forefront/health-and-wellness-articles/2018/august/debunking-the-health-benefits-of-apple-cider-vinegar
[^10]: Clemson University Extension. pH Values of Common Foods and Ingredients. https://www.clemson.edu/extension/food/food2market/documents/ph_of_common_foods.pdf
