Fig. 2From: Aromatic effects of a Japanese citrus fruit—yuzu (Citrus junos Sieb. ex Tanaka)—on psychoemotional states and autonomic nervous system activity during the menstrual cycle: a single-blind randomized controlled crossover studyChanges of heart rates before (baseline) and after (0–35 min) the 10-min inhalation of yuzu fragrance and water in the follicular and late-luteal phases. A significant difference by paired t test was apparent between yuzu and control (water) trials (* P < 0.05)Back to article page