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Medicinal Properties

Louianna Oil of Wild Oregano


What is it?

Oil of oregano is obtained from the leaves and flowers of the oregano herb. There are over 40 species of oregano but the Louianna essential oil of oregano is produced from the rare wild oregano species, Origanum Minutiflorum that is endemic to alpine regions of Turkey. This oil of wild oregano is highly potent since it contains the highest percentage of the naturally occurring phenols carvacrol and thymol that are primarily responsible for its antimicrobial and antioxidant effects (1-4).


Oil of oregano can be used both topically and orally.


Oil of oregano has been used to treat infections for centuries. It has strong antimicrobial properties that make this oil very effective against bacterial, viral, parasitic, and fungal infections (1,2,4-8). These properties are especially valuable now that there is a rise in antibiotic resistant bacterial strains due to excessive and suboptimal use of antibiotics. Furthermore, oil of oregano can be used in the food industry to increase the safety and stability of foods (1-3). Research studies have shown that oil of oregano is as effective as antibiotics in killing several strains of bacteria (1,6,7).

In addition, oil of oregano is a powerful antioxidant that neutralizes free radicals produced in our cells, and therefore prevents cellular damage (4,11). Oil of oregano also has promising anti-cancer and anti-inflammatory properties (13).

Traditionally, oil of oregano has been used to treat various conditions listed below:


Labofine (Laval, Quebec) carried out the product analysis in June 2015.

Name Results
Polyphenols 90 mg/100g
Carvacrol 78.9 mg/100g
Thymol 5 mg/100g
Rosmarinic Acid 2 mg/100g
Terpent Lactones 7.3 mg/100g
Cymene 2.5 mg/100g
Quercetin 2 mg/100g
Vitamin C 2.3 mg/100g
Vitamin E 18 mg/100g
Vitamin K 622 mcg/100g
Total Aerobic Microbial count 250 cfu/g
Total Yeast and Mold count 198 cfu/g
Detection of Staphylococcus aureus Absent
Detection of Escherichia coli Absent
Detection of Pseudomonas aeruginosa Absent
Detection of Salmonella Absent


The following is the ingredient breakdown from recent laboratory testing :

Name Results
Carvacrol 81.95%
Para Cymene 5.75%
(+) Borneol 2.30%
Trans caryophyllene 2.16%
Gamma Terpinen 2.01%
Linalool 1.12%
Trans sabinen hydrate 0.81%
Thymol 0.78%
Alpha Terpinen 0.64%
Terpinen-4-ol 0.56%
1,8 Cineol 0.51%
Camphene 0.51%
Beta Pinen 0.49%
(+) Aromadendren 0.42%
Undefined 0.00%

Benefits by ingredients


Polyphenols are natural phytochemical compounds with beneficial antioxidant effects. The three most abundant polyphenols in oil of oregano are thymol, carvacrol, and rosmarinic acid.


Carvacrol is a potent antifungal, antiviral, and antibacterial agent. In addition, carvacrol works as a natural insect repellant (1,2,4).


Thymol is a strong antimicrobial agent with antiseptic and antioxidant properties. It is very effective against fungal infections and encourages tissue healing. Thymol is also effective against parasitic diseases (12).

Rosmarinic Acid

Rosmarinic acid is a powerful antioxidant and antihistamine. It is used to effectively treat allergies and asthma, and also to prevent atherosclerosis and cancer.

Terpent Lactones

Also known as terpenes, these compounds have strong antibacterial and promising anti-inflammatory and anti-cancer properties.


Cymene is a parent compound that gives rise to thymol. Cymene also has antifungal properties, although less effective than carvacrol and thymol.

Vitamin C

Vitamin C is used to prevent and treat a range of illnesses including common cold, gum disease, skin problems, high cholesterol, stomach ulcers, glaucoma, depression, diabetes, and osteoporosis to name a few.

Vitamin E

Vitamin E has a high content of antioxidants and is beneficial in treating and preventing heart disease, diabetes, cancer, respiratory infections, chronic fatigue, memory loss, and premenstrual discomfort. In addition, vitamin E is very powerful in improving the condition of your skin by lightening stretch marks, boosting collagen production, and preventing wrinkles.

Vitamin K

Vitamin K plays a major role in blood clotting and is used to prevent blood thinning. It can also be applied to the skin to remove scars, stretch marks, and spider veins.

Report Prepared by: 

Aisha Shamas-Din, PhD

Princess Margaret Cancer Centre
 University Health Network



  1. Baydar, H., Sağdiç, O., Özkan, G., & Karadoğan, T. Antibacterial activity and composition of essential oils from Origanum, Thymbra and Satureja species with commercial importance in Turkey. Food Control. 2004;15(3):169-172.
  2. El, Babili F., Bouajila, J., Souchard, J. P., Bertrand, C., Bellvert, F., Fouraste, I., Moulis, C., and Valentin, A. Oregano: chemical analysis and evaluation of its antimalarial, antioxidant, and cytotoxic activities. J.Food Sci. 2011;76(3):C512-C518.
  3. Arcila-Lozano, C. C., Loarca-Pina, G., Lecona-Uribe, S., and Gonzalez, de Mejia. [Oregano: properties, composition and biological activity]. Arch Latinoam Nutr. 2004;54(1):100-111.
  4. Baser, K. H. Biological and pharmacological activities of carvacrol and carvacrol bearing essential oils. Curr Pharm Des. 2008;14(29):3106-3119.
  5. Sienkiewicz, M., Wasiela, M., and Głowacka, A. [The antibacterial activity of oregano essential oil (Origanum heracleoticum L.) against clinical strains of Escherichia coli and Pseudomonas aeruginosa]. Med Dosw Mikrobiol. 2012;64(4):297-307.
  6. Dahiya, P., and Purkayastha, S. Phytochemical Screening and Antimicrobial Activity of Some Medicinal Plants Against Multi-drug Resistant Bacteria from Clinical Isolates. Indian J Pharm Sci. 2012 Sep;74(5):443-50.
  7. Pozzatti, P., Scheid, L.A., Spader, T.B., Atayde, M.L., Santurio, J.M., and Alves, S.H. In vitro activity of essential oils extracted from plants used as spices against fluconazole-resistant and fluconazole-susceptible Candida spp. Can J Microbiol. 2008 Nov;54(11):950-6.
  8. Ponce-Macotela, M., Rufino-González, Y., González-Maciel, A., Reynoso-Robles, R., and Martínez-Gordillo, M.N. Oregano (Lippia spp.) kills Giardia intestinalis trophozoites in vitro: antigiardiasic activity and ultrastructural damage. Parasitol Res. 2006 May;98(6):557-60.
  9. Gilling, D.H., Kitajima, M., Torrey, J.R., and Bright, K.R. Antiviral efficacy and mechanisms of action of oregano essential oil and its primary component carvacrol against murine norovirus. J Appl Microbiol. 2014 May;116(5):1149-63.
  10. Vimalanathan S, Hudson J. Anti-influenza virus activities of commercial oregano oils and their carriers. J App Pharma Sci. 2012;2:214.
  11. Skrovankova, S., Misurcova, L., and Machu, L. Antioxidant activity and protecting health effects of common medicinal plants. Adv Food Nutr Res. 2012;67:75-139.
  12. Rufino-González, Y., Ponce-Macotela, M., González-Maciel, A., Reynoso-Robles, R., Jiménez-Estrada, M., Sánchez-Contreras, Á., and Martínez-Gordillo, M.N. In vitro activity of the F-6 fraction of oregano against Giardia intestinalis. Parasitology. 2012 Apr;139(4):434-40.
  13. Johnson, J. J. Carnosol: a promising anti-cancer and anti-inflammatory agent. Cancer Lett. 6-1-2011;305(1):1-7.


Oregano Oil Test Data