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the claim
Lemon juice prevents browning in cut bananas.
the verdict
CONTESTED PARTIAL
Recorded sources
2 sources for · 2 against
Is it true that lemon juice prevents browning in cut bananas?
Partly. A food-science reference and a cookbook suggest lemon juice can slow or prevent browning of cut fruit including bananas, but a 2024 study of cut green bananas found lemon-juice-treated slices still browned, and an avocado study found lemon juice sometimes sped up browning. The evidence is mixed and only partially covers the claim.
Verdict: CONTESTED PARTIAL · 2 sources for, 2 against · Last checked
Evidence for · 2
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Food browning. (n.d.). en.wikipedia.org. https://en.wikipedia.org/wiki/Food_browning
Evidence against · 2
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Does lemon juice slow the oxidation of guacamole?. (2012). skeptics.stackexchange.com. https://skeptics.stackexchange.com/questions/10054/does-lemon-juice-slow-the-oxidation-of-guacamole
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More for · 1
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Vaclavik, V. A. & Christian, E. W. (2007). Essentials of Food Science. play.google.com. https://play.google.com/store/books/details?id=iCCsvwZrguUC&source=gbs_api
More against · 1
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Sarkar, S., Akhter, S., Roy, J., Wazed, M. A., Abedin, R., Neogie, S., Mishat, K. B., & Sarker, M. S. H. (2024). Preventing enzymatic browning of freshly cut green bananas through immersion in normal water, lemon juice, and coconut water. doi.org. https://doi.org/10.1002/fsn3.4284
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held for human review16 Oct 2026
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