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. 2026 Aug 13;13:1927483. doi: 10.3389/fnut.2026.1927483

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Copyright © 2026 Huang, Wu, Qu, Liu, Feng, Ren, Yang, Xu and Fan.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Four line charts display corrected detection rate versus log concentration for butanol, hexanol, octanol, and decanol. Each plot shows blue data points and red fitted curves, with annotated detected thresholds: 6918.31 micrograms per liter for butanol, 5623.41 micrograms per liter for hexanol, 2023.02 micrograms per liter for octanol, and 602.56 micrograms per liter for decanol. Correlation coefficients are reported for each: 0.9839, 0.9732, 0.9624, and 0.9632, respectively. Axes are labeled for each compound. — Sigmoidal olfactory threshold curves for four linear aliphatic alcohols.