Table 3 Comparison of acute psychological effects evaluated with the visual analogue scales right after the inhalation of yuzu or water

Intensity

6.1 ± 0.5

0.5 ± 0.3

6.5 ± 0.5

0.7 ± 0.3

Cycle effect: F(1,17) = 1.84, P = 0.19

Aroma effect: F(1,17) = 118.30, P = <0.001^*

Interaction: F(1,17) = 0.15, P = 0.71

Likes and dislikes

8.1 ± 0.4

4.8 ± 0.3

8.5 ± 0.4

4.5 ± 0.3

Cycle effect: F(1,17) = 0.035, P = 0.85

Aroma effect: F(1,17) = 67.37, P = <0.001^*

Interaction: F(1,17) = 2.68, P = 0.12

Pleasantness

7.5 ± 0.3

4.5 ± 0.4

7.6 ± 0.3

4.7 ± 0.3

Cycle effect: F(1,17) = 0.29, P = 0.60

Aroma effect: F(1,17) = 44.93, P = <0.001^*

Interaction: F(1,17) = <0.001, P = 0.99

Familiarity

8.1 ± 0.3

4.8 ± 0.4

8.1 ± 0.3

4.9 ± 0.6

Cycle effect: F(1,17) = 0.012, P = 0.91

Aroma effect: F(1,17) = 68.39, P = <0.001^*

Interaction: F(1,17) = 0.049, P = 0.83