2.6. Subjective mood measurement
The 16 visual analogue scales of Bond–Lader were combined
as recommended by the authors to form three mood factors:
‘alert’, ‘calm’ and ‘content’.
2.7. Statistical analysis
All data are expressed as mean±S.E.M. Comparisons
between placebo and various doses of Centella asiatica at different
time points were made using analysis of variance (ANOVA).
Statistical significance was set at p-value < 0.05.