Figure 4. Effects of banana-intake on HRV frequency parameters. LnLF (4-1), LnHF (4-2), and LnLF/LnHF (4-3). (A) Comparison between non-intake (control) and banana-intake groups. (B) Percentage of ineffective and effective subjects in the banana group. (C) Comparison of changing rates in HRV frequency parameters between effective and ineffective (control) groups in the banana-intake group. Data represent the mean ± SEM. NS: no significance. **P < 0.01 vs. corresponding control (Mann–Whitney U test)

From

Banana Intake Relieves the Stress of Daily Life in Healthy Adult Volunteers: An Open, Randomized, Parallel-Group Comparative Study

Akiko Kobayashi, Ailing Hu, Takuji Yamaguchi, Masahiro Tabuchi, Yasushi Ikarashi, Hiroyuki Kobayashi

Journal of Food and Nutrition Research. 2022, 10(12), 841-849 doi:10.12691/jfnr-10-12-2