News|Articles|July 8, 2026

The Sweet Effects of Miracle Fruit

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Key Takeaways

  • Miraculin is a glycoprotein responsible for the fruit’s taste-altering activity and was isolated in 1968.
  • Receptor-level binding on taste buds enables acidic stimuli to be perceived as sweet rather than sour.
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Fun Fact! Miraculin, a glycoprotein in miracle fruit (Synsepalum dulcificum), temporarily makes acidic foods taste sweet.

Fun Fact! The flavor-altering properties of miracle fruit (Synsepalum dulcificum) rely on miraculin, a unique glycoprotein isolated in 1968. By binding to taste bud receptors, it makes acidic foods temporarily taste sweet. This taste-modifying effect can last anywhere from 30 minutes to two hours.

Source: Petruzzello, M. miracle fruit. Encyclopedia Britannica. March 19, 2026. Accessed July 8, 2026. https://www.britannica.com/plant/miracle-fruit


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