Hermetica Superfood Encyclopedia
Spearmint (Mentha spicata) contains carvone as its primary bioactive compound, comprising up to 84.55% of its essential oil composition. Current research focuses on phytochemical analysis and extraction methods, with rosmarinic acid identified as another key bioactive component.


Spearmint (Mentha spicata) is a perennial herb native to Europe, Asia, and parts of Africa, belonging to the Lamiaceae family. The essential oil is extracted from leaves and aerial parts through hydro-distillation, steam distillation, or solvent extraction using ethanol/water mixtures, yielding oils rich in monoterpenes like carvone (42-51.7%) and limonene (6-20%).
No human clinical trials, RCTs, or meta-analyses on spearmint (Mentha spicata) were found in the research dossier. All available studies focus exclusively on phytochemical analysis, extraction optimization, and chemical composition rather than clinical outcomes or health effects.

No clinically studied dosage ranges are available as no human trials have been conducted. Extraction studies reference standardization to compounds like carvone or rosmarinic acid but provide no therapeutic dosing information. Consult a healthcare provider before starting any new supplement.
Spearmint (Mentha spicata) provides a distinct nutritional and phytochemical profile, though values reflect dried herb or fresh leaf concentrations. Per 100g fresh weight: Calories ~44 kcal, Carbohydrates ~8.4g, Dietary Fiber ~6.8g (supporting digestive transit), Protein ~3.3g, Fat ~0.7g. Key micronutrients include Vitamin A (RAE ~203 mcg, ~23% DV), Vitamin C ~13.3mg (~15% DV), Folate ~105 mcg (~26% DV), Iron ~11.9mg (~66% DV, though non-heme with moderate bioavailability enhanced by co-ingestion with vitamin C), Calcium ~199mg (~15% DV), Magnesium ~63mg (~15% DV), Potassium ~458mg (~10% DV), and Manganese ~1.1mg (~48% DV). Primary bioactive compounds include Carvone (dominant volatile constituent, comprising 55–84% of essential oil depending on extraction method; responsible for characteristic aroma and studied for antimicrobial properties in vitro), Limonene (5–16% of essential oil), Rosmarinic acid (a phenolic ester with documented antioxidant capacity in vitro; concentrations in leaf extract range approximately 15–30 mg/g dry weight), Luteolin and Apigenin (flavonoid glycosides present in measurable quantities; luteolin reported at ~0.5–2 mg/g dry weight), Hesperidin (flavanone glycoside), and Chlorogenic acid (hydroxycinnamic acid derivative). Oxygenated monoterpenes collectively represent up to 84.55% of optimized essential oil extracts. Bioavailability note: Phenolic compounds such as rosmarinic acid demonstrate moderate intestinal absorption in animal models; essential oil volatile compounds are largely metabolized hepatically following ingestion and are not meaningfully bioavailable through culinary use at typical serving quantities.
Carvone, the dominant compound in spearmint essential oil, exhibits monoterpene activity that may interact with cellular membrane systems. Rosmarinic acid demonstrates phenolic antioxidant properties through free radical scavenging mechanisms. The oxygenated compounds in spearmint oil may influence enzymatic pathways, though specific receptor interactions remain under investigation.
Current research on spearmint focuses primarily on phytochemical analysis and extraction methodology rather than clinical efficacy studies. Available studies document chemical composition showing carvone concentrations up to 84.55% in essential oil extracts. No documented clinical trials have established specific health benefits in human subjects. The research base consists mainly of analytical chemistry studies examining bioactive compound identification and quantification.
Spearmint is generally recognized as safe when used as a culinary herb and flavoring agent. Concentrated essential oil preparations may cause skin irritation or allergic reactions in sensitive individuals. No significant drug interactions have been documented, though high doses of concentrated extracts should be avoided during pregnancy and breastfeeding due to limited safety data. Individuals with gastroesophageal reflux may experience symptom exacerbation with mint compounds.