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. 2022 Feb 25;15(2):70–86. doi: 10.1007/s12078-022-09295-w

Fig. 4.

Fig. 4

Geometric mean rated onion aroma intensity (± S.E.M., Y-axis) versus concentration of 3-mercapto-2-methylpentan-1-ol (3 M, X-axis) in parts per billion (n = 20). gLMS = general labeled magnitude scale. Ticks to the right of the graph illustrate the positions of three intensity descriptors: BD, “barely detectable”; Wk, “weak”; and Md, “moderate”