Oregano (Origanum vulgare)

Oregano (Origanum vulgare) contains high concentrations of rosmarinic acid and bioactive compounds oreganol A, B, and C that demonstrate antioxidant and antibacterial properties. These polyphenolic compounds work primarily through free radical scavenging and inhibition of bacterial cell wall synthesis.

Origin & History

Oregano (Origanum vulgare) is a perennial herb native to the Mediterranean region, belonging to the Lamiaceae (mint) family. The plant material used medicinally consists primarily of leaves and rhizomes, which can be extracted through hot water infusion, cold water extraction, ethanol extraction, or essential oil distillation.

Historical & Cultural Context

The provided research does not contain information about oregano's traditional use in medicine systems or historical applications. No documentation of traditional medical use was included in the available sources.

Health Benefits

• Antioxidant properties demonstrated in laboratory studies (in vitro evidence only)
• Antibacterial activity shown in laboratory studies (in vitro evidence only)
• Rich source of polyphenols including rosmarinic acid (20.07 mg/g in leaves)
• Contains bioactive compounds oreganol A, B, and C (laboratory analysis only)
• Essential oil components include carvacrol and thymol (no clinical evidence provided)

How It Works

Oregano's rosmarinic acid (20.07 mg/g in leaves) acts as a potent antioxidant by scavenging hydroxyl and superoxide radicals while inhibiting lipid peroxidation. The oreganol compounds (A, B, and C) demonstrate antibacterial activity by disrupting bacterial cell membrane integrity and inhibiting protein synthesis. These polyphenolic compounds also modulate inflammatory pathways by suppressing NF-κB activation.

Scientific Research

The provided research contains no human clinical trials, randomized controlled trials (RCTs), or meta-analyses for oregano. All available evidence comes from in vitro (laboratory) studies examining antioxidant and antibacterial properties rather than clinical outcomes in human populations.

Clinical Summary

Current evidence for oregano is limited to laboratory (in vitro) studies showing antioxidant and antibacterial activities. No human clinical trials have been conducted to validate therapeutic effects or establish effective dosages. Laboratory studies demonstrate significant free radical scavenging capacity and inhibition of various bacterial strains, but these findings cannot be directly extrapolated to human health outcomes. More clinical research is needed to confirm potential therapeutic benefits.

Nutritional Profile

{"macronutrients": {"fiber": "42.5 g/100 g", "protein": "9.0 g/100 g"}, "micronutrients": {"vitamins": {"vitamin_K": "621.7 \u00b5g/100 g", "vitamin_E": "18.26 mg/100 g"}, "minerals": {"calcium": "1597 mg/100 g", "iron": "36.8 mg/100 g", "magnesium": "270 mg/100 g", "potassium": "1669 mg/100 g"}}, "bioactive_compounds": {"polyphenols": {"rosmarinic_acid": "20.07 mg/g"}, "essential_oil_components": {"carvacrol": "up to 60% of essential oil", "thymol": "up to 10% of essential oil"}, "other_compounds": {"oreganol_A": "present", "oreganol_B": "present", "oreganol_C": "present"}}, "bioavailability_notes": "The bioavailability of polyphenols and essential oil components like carvacrol and thymol can vary based on preparation and consumption methods. Cooking and processing may affect the concentration and efficacy of these compounds."}

Preparation & Dosage

No clinically studied dosage ranges for oregano extracts, powders, or standardized formulations were found in the available research. Without human clinical trial data, standardized dosage recommendations cannot be established. Consult a healthcare provider before starting any new supplement.

Synergy & Pairings

Other Mediterranean herbs, rosemary, thyme, turmeric, green tea

Safety & Interactions

Oregano is generally recognized as safe when consumed as a culinary herb, but safety data for concentrated supplements is limited. High doses may cause gastrointestinal irritation, allergic reactions in sensitive individuals, or interact with blood-thinning medications due to its anticoagulant properties. Pregnant and breastfeeding women should avoid therapeutic doses as oregano may stimulate uterine contractions. Individuals with allergies to plants in the Lamiaceae family (mint, basil, sage) should exercise caution.