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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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Six panel figure of line graphs showing corrected detection rate versus log concentration for six compounds: ethyl acetate, ethyl isovalerate, ethyl hexanoate, ethyl caprylate, ethyl nonanoate, and ethyl laurate. Each graph includes a red fitted curve, blue data points, detected threshold values, and R-squared values around 0.97 to 0.99. — Sigmoidal olfactory threshold curves for six key fatty acid ethyl esters.