# @science on Instagram

- **Type:** Image
- **Original URL:** https://www.instagram.com/p/DP0GLY-DzMV
- **Gondola URL:** https://gondola.cc/posts/35760448-science-instagram
- **Thumbnail:** https://img.gondola.cc/tr:w-,h-,fo-auto/postThumbnails/6dd2799576.jpg
- **Posted:** 2025-10-15T03:00:17.000+00:00
- **Account Owner:** Science 🧬 (@science) — https://gondola.cc/science

## Caption

Some chili peppers hide a quiet trick, they carry their own fire extinguisher. Researchers at Ohio State University have identified three natural molecules, capsianoside I, roseoside, and gingerglycolipid A, that soften the burn without changing the actual amount of capsaicin. The discovery reframes what heat really is on the tongue, not just a number, but a negotiation between capsaicin and compounds that modulate the body’s sensors.⁠
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For more than a century, Scoville Heat Units have been the yardstick for spice, calculated from capsaicin and dihydrocapsaicin. Yet when scientists equalized those levels across ten pepper cultivars and served them in the same base to trained tasters, the peppers did not feel equally hot. That mismatch pointed to hidden chemistry shaping sensation.⁠
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Careful lab work and taste tests clarified what was happening. In half tongue comparisons, where one side received pure capsaicin and the other capsaicin plus a candidate compound, panelists consistently reported less sting from mixtures containing the three suppressors. The molecules themselves were flavorless in water, which indicates that they act as modulators of perception rather than as added tastes.⁠
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From a biological perspective, the effect has a straightforward explanation. Capsaicin triggers TRPV1 receptors, sensors for heat and pain scattered throughout the body. The newly spotlighted molecules appear to blunt that interaction, reducing perceived intensity while preserving the pepper’s aroma and character. This nuance helps explain why the Scoville scale does not always predict the experience at the table.⁠
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Plant breeders could tune peppers for households with mixed spice tolerance. Food makers might craft anti spice condiments that dial back heat without muting flavor. Because TRPV1 is central to pain signaling, these compounds may even inspire gentler analgesics that desensitize nerve endings without the initial burn common to capsaicin creams.⁠
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#science #foodscience #spicyfood #chemistry #nutrition #sensoryscience #capsaicin #trpv1 #innovation #painrelief⁠
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Source: 10.1021/acs.jafc.5c01448

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## Tags

spicyfood, science, innovation, chemistry, capsaicin, nutrition, painrelief, sensoryscience, trpv1, foodscience

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