Table 6.

LOD, repeatability, and reproducibility of method [36–38].

Compound	LOD (μg/L)	LOQ (μg/L)	Odor threshold (μg/L)	Repeatability RSD (%)	Reproducibility RSD (%)
γ-Butyrolactone	170.97	569.93	35000	0.63	1.93
γ-Hexalactone	10.51	35.04	359000	2.98	2.57
Whiskey-lactone I	0.97	3.24	790	3.54	4.41
γ-Octalactone	1.19	3.98	7	4.31	3.96
Whiskey-lactone II	0.60	2.02	67	4.13	5.25
γ-Nonalactone	2.11	7.05	30	3.24	2.73
γ-Decalactone	0.86	2.89	88	2.50	2.78
δ-Decalactone	4.17	13.92	386	3.19	4.56
γ-Undecalactone	0.63	2.10	60	2.88	4.45