TABLE 4.

Olfactory interaction classification of binary isoamyl alcohol-odorant mixtures.

No.	Binary mixture combination	Measured threshold (μg/L)	Theoretical threshold (μg/L)	Threshold ratio	Interaction type
1	Isoamyl alcohol + Ethyl acetate	63973.48	18365.38	3.483	Masking effect
2	Isoamyl alcohol + Ethyl hexanoate	84139.51	43651.58	1.928	Masking effect
3	Isoamyl alcohol + Ethyl isovalerate	77983.01	49856.57	1.564	Masking effect
4	Isoamyl alcohol + Ethyl octanoate	54701.60	50118.72	1.091	Masking effect
5	Isoamyl alcohol + Ethyl nonanoate	26001.60	29716.66	0.875	Additive effect
6	Isoamyl alcohol + Ethyl laurate	76736.15	36307.81	2.113	Masking effect
7	Isoamyl alcohol + Butanol	10115.80	31988.95	0.316	Synergistic effect
8	Isoamyl alcohol + Hexanol	10592.53	31550.05	0.336	Synergistic effect
9	Isoamyl alcohol + Octanol	23227.38	28707.81	0.809	Additive effect
10	Isoamyl alcohol + Decanol	16982.44	30549.21	0.556	Additive effect
11	Isoamyl alcohol + Linalool	15170.50	21827.30	0.695	Additive effect
12	Isoamyl alcohol + Geraniol	37153.52	35481.34	1.047	Masking effect
13	Isoamyl alcohol + D-Limonene	5223.96	27989.81	0.187	Synergistic effect
14	Isoamyl alcohol + α-Terpineol	27039.58	36475.39	0.741	Additive effect
15	Isoamyl alcohol + Furfural	17988.71	23988.33	0.750	Additive effect
16	Isoamyl alcohol + 4-Ethylphenol	53703.18	26302.68	2.042	Masking effect
17	Isoamyl alcohol + Styrene	8184.65	20323.57	0.403	Synergistic effect
18	Isoamyl alcohol + 3-Hydroxy-2-butanone	33884.42	36897.76	0.918	Additive effect