Scientific Studies on Peppermint Essential Oil

Of course all of these studies are using high quality Peppermint essential oil, learn more about why quality makes a huge difference. The best quality essential oils that I’ve found are Young Living Essential Oils, I use only them and recommend them highly. Caution: Please, do NOT use any essential oil internally UNLESS the label provides information on internal use, such as Young Living Essential Oils.

Peppermint Oil Capsules Reduce Irritable Bowel Syndrome Symptoms. These results indicate that 4 weeks of treatment with peppermint oil capsules is superior to a placebo in the treatment of IBS symptoms. In addition, the beneficial effect of peppermint oil persists 4 weeks after treatment has ended, possibly due to antibacterial actions of peppermint oil on enteric bacteria. Review of Trials Shows Peppermint Oil Capsules to be Effective in Treating IBS

Phytotherapeutic prevention of dental biofilm formation.
Antimicrobial and biofilm formation preventive properties of Mentha piperita (peppermint) and Rosmarinus officinalis (rosemary) essential oils and chlorhexidine (a chemical antiseptic) were assessed against Streptococcus mutans (MRSA) and Streptococcus pyogenes. In vivo experiments on the antibiofilm properties revealed that all concentrations of the oils were significantly (p < 0.001) more effective than chlorhexidine. In conclusion, essential oils may be considered as safe agents in the development of novel antibiofilm agents.

Modulation of cognitive performance and mood by aromas of peppermint and ylang-ylang. This study provides further evidence for the impact of the aromas of plant essential oils on aspects of cognition and mood in healthy participants. In terms of subjective mood peppermint increased alertness and ylang-ylang decreased it, but significantly increased calmness. These results provide support for the contention that the aromas of essential oils can produce significant and idiosyncratic effects on both subjective and objective assessments of aspects of human behavior.

Composition and antifungal activity of essential oils of Mentha piperita and Lavendula angustifolia on post-harvest phytopathogens. The advantage of essential oils is their bioactivity in the vapor phase, a characteristic that makes them attractive as possible fumigants for stored product protection. Essential oils of aerial parts of Mentha piperita (peppermint) and Lavendula angustifolia (lavender) were used. Fungal toxicity of the essential oils were evaluated against three pathogenic fungi (Rhizopus stolonifer, Botrytis cinerea and Aspergillus niger) in vitro. Plate assayes showed that the different concentrations of essential oils have antifungal activity against these fungi, and the essential oil of L. angustifolia showed stronger fungistatic activity. Lavendula oil exhibited complete growth inhibition of all pathogens at 1000 ppm and minimum EC50 (311.24 ppm) resulted on B. cinerea.

Combined effect of heat, essential oils and salt on fungicidal activity against Trichophyton mentagrophytes in a foot bath. To determine the effective conditions of essential oils against Trichophyton mentagrophytes (foot fungus) in vitro for the treatment of tinea pedis in a foot bath. Most fungal mycelia (99.7%) were killed after treatment at 42 degrees C for 20 min without essential oil. The fungicidal activity of essential oils was markedly enhanced by treating at 42 degrees C for 20 min as compared with that at 27 degrees C, showing 1/4 – 1/32-fold reduction of minimum fungicidal concentration (MFC to kill 99.99%). The order of the fungicidal activity of 11 essential oils was oregano, thyme thymol, cinnamon bark > lemongrass > clove, palmarose, peppermint, lavender > geranium Bourbon, tea tree > thyme geraniol oils. MFCs were further reduced to 1/2 – 1/8 by the addition of 10% sodium chloride. The salt effect was explained, at least partly, by an increase in mycelial adsorption of antifungal constituents in the presence of sodium chloride. See recipe above in this newsletter.

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Evelyn Vincent

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