Oregano

Nutrient group: plant extracts & active ingredients

Sources and physiological effects

Dietary sources
Oregano is a plant species of the labiate family (Lamiaceae), which was originally native to the Mediterranean but is now found throughout almost all of Europe. Mediterranean cuisine has made oregano a well-known and popular spice throughout the world. In phytotherapy oregano is known for its antimicrobial effect.
Physiological effects
Antimicrobial
  • Inhibition of bacterial growth
Antifungal
  • Inhibition of fungal growth, especially Candida albicans

Detailed information

Oregano against Candida albicans and other pathogenic organisms
Oregano shows a high antimicrobial effect against pathogenic organisms. The growth of gram-positive bacteria (Listeria monocytogenes, Staphylococcus aureus, Bacillus cereus or Enterococcus faecalis), gram-negative bacteria (Escherichia coli, Yersinia enterocolitica, Pseudomonas aeruginosa and Salmonella choleraesuis and the yeasts (Candida albicans, Debaryomyces hansenii and Zygosaccharomyces rouxii) were stopped by oregano (Origanum vulgare) in a laboratory settings. The components carvacrol and thymol showed particularly strong effects (1).

Administration

General mode of administration
 
When
 
Oregano should be taken between meals.
Side effects

No side effects are known to date.

Contraindications
No contraindications are known to date.

Interactions

Drug interactions 
None No interactions are known to date.
Nutrient interactions
None No interactions are known to date.

References

References
1) López, P. et al. 2007. Development of flexible antimicrobial films using essential oils as active agents. J Agric Food Chem. 55(21):8814-24

References Interactions
Stargrove, M. B. et al. Herb, Nutrient and Drug Interactions: Clinical Implications and Therapeutic Strategies, 1. Auflage. St. Louis, Missouri: Elsevier Health Sciences, 2008.

Gröber, U. Mikronährstoffe: Metabolic Tuning –Prävention –Therapie, 3. Auflage. Stuttgart: WVG Wissenschaftliche Verlagsgesellschaft Stuttgart, 2011.
Gröber, U. Arzneimittel und Mikronährstoffe: Medikationsorientierte Supplementierung, 3. aktualisierte und erweiterte Auflage. Stuttgart: WVG Wissenschaftliche Verlagsgesellschaft Stuttgart, 2014.

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