Effects of Harvest Time and Hydrodistillation Time on Yield, Composition, and Antioxidant Activity of Mint Essential Oil.
This study found that harvesting spearmint at 9 a.m. and distilling it for 60 minutes resulted in the highest menthol content and antioxidant activity. It suggests that sun exposure and longer distillation times decrease menthol content and alter the chemical composition.
- Marques SPPM et al (2023).
- Molecules.
- PubMed:
- 38005307