Table 9S.
Log normal relationship between different types of odor threshold (ppbv) and molecular weight to assess the odor strength patterns of strawberry volatiles.
| Groups | A. Ester | B. Alcohol | C. Aldehyde | D. Ketone | Sum of all groups b | ||||
|---|---|---|---|---|---|---|---|---|---|
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| All data | Optimal fit a | All data | All data | Optimal fit | All data | Optimal fit | All data | Optimal fit | |
| Number of data | (n = 31) | (n = 28) | (n = 14) | (n = 9) | (n = 6) | (n = 8) | (n = 6) | (n = 62) | (n = 54) |
| [A] Slope c | |||||||||
|
| |||||||||
| Min | −0.0237 | −0.0336 | −0.0357 | −0.0043 | −0.0086 | −0.0152 | −0.0171 | −0.0222 | −0.0256 |
| Max | −0.0296 | −0.0406 | −0.0507 | −0.0161 | −0.0187 | −0.0253 | −0.0366 | −0.0351 | −0.0415 |
| Geo mean | −0.0263 | −0.0367 | −0.0432 | −0.0098 | −0.0142 | −0.0197 | −0.0268 | −0.0286 | −0.0329 |
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| [B] R2 | |||||||||
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| |||||||||
| Min | 0.1511 | 0.2842 | 0.5048 | 0.0231 | 0.4825 | 0.1360 | 0.3959 | 0.2171 | 0.2897 |
| Max | 0.1906 | 0.3363 | 0.8397 | 0.4396 | 0.8833 | 0.2113 | 0.9237 | 0.4260 | 0.5743 |
| Geo mean | 0.1743 | 0.3188 | 0.7164 | 0.1934 | 0.8730 | 0.1885 | 0.6547 | 0.3384 | 0.4473 |
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| [C] p-value | |||||||||
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| |||||||||
| Min | 3.07E-02 | 3.49E-03 | 4.40E-03 | 6.96E-01 | 1.26E-01 | 3.69E-01 | 1.81E-01 | 1.35E-04 | 2.69E-05 |
| Max | 1.41E-02 | 1.22E-03 | 4.12E-06 | 5.16E-02 | 5.32E-03 | 2.52E-01 | 2.24E-03 | 9.00E-09 | 3.26E-11 |
| Geo mean | 1.94E-02 | 1.75E-03 | 1.35E-04 | 2.36E-01 | 6.33E-03 | 2.82E-01 | 5.12E-02 | 7.10E-07 | 3.25E-08 |
a
After excluding outlying data points
b
Sum of the four major VOC groups (Ester, Alcohol, Aldehyde, and Ketone)
c
Results of linear regression analysis between odor threshold and molecular weights: for this comparison, results are compared between minimum, maximum, and geometric mean of threshold values available from previous studies