How does Mentha haplocalyx work to relieve headaches and colds?

Mentha haplocalyx contains volatile oils, primarily menthol and menthone, which act on TRPM8 receptors to create a cooling sensation and provide analgesic effects. In Traditional Chinese Medicine, its aromatic nature disperses wind-heat, clearing the head and eyes. Pharmacologically, menthol acts as a mild antispasmodic and decongestant, helping to relieve nasal congestion associated with wind-heat colds. Evidence level: C.

Does Mentha haplocalyx interact with any medications?

Mentha haplocalyx may interact with drugs metabolized by the liver. Menthofuran, a constituent, can inhibit cytochrome P450 enzymes (specifically CYP1A2 and CYP2E1), potentially altering the metabolism of drugs like caffeine, theophylline, and acetaminophen. Additionally, the menthol content may affect the absorption of other topical medications. Patients taking cyclosporine or antidiabetic drugs should exercise caution. Evidence level: C/Theoretical.

What is the standard dosage for Mentha haplocalyx?

The standard adult dosage for Mentha haplocalyx in decoction form is 3 to 6 grams. Because the herb contains volatile oils, it should be added to the decoction during the last 5 to 10 minutes of boiling to prevent the evaporation of active constituents like menthol. For topical use or essential oil application, concentrations should be diluted to avoid skin sensitization.

Is Mentha haplocalyx safe to use during pregnancy?

Mentha haplocalyx is generally considered unsafe during pregnancy. The constituent pulegone, along with menthofuran, can stimulate uterine contractions and potentially cause hepatotoxicity. While small amounts of culinary mint are likely harmless, therapeutic doses of the herb or essential oil should be avoided to prevent risk to the fetus. Lactating women should also avoid high doses as menthol passes into breast milk.

What are the side effects of Mentha haplocalyx?

Common side effects include a cooling sensation in the gastrointestinal tract and heartburn. Topical application of the essential oil may cause contact dermatitis or skin sensitization, particularly in those with sensitive skin. Ingesting large amounts can lead to nausea or dizziness due to the volatile oil content. It is contraindicated for individuals with yin deficiency or known allergy to the Lamiaceae family.

Mentha Haplocalyx (Mentha haplocalyx)

PubMed-compiled information sheet

This sheet was compiled from PubMed (NIH) abstracts using AI assistance. Every factual claim is cited to a real PubMed article (see the source list). It has not yet been human-reviewed — confirm with a healthcare provider before use.

Compiled from 30 PubMed articles · model: gemma4:31b

Summary

Mentha haplocalyx is a member of the Lamiaceae family used in traditional medicine and health foods for its diverse pharmacological benefits [PMID:39663516].

Background

Mentha haplocalyx Briq. is a herbaceous plant used as a medicinal spice, flavoring agent, and food in traditional Chinese medicine [PMID:36737916, PMID:33366931]. It is characterized by its rich essential oil content, which varies by chemotype (e.g., l-menthol, pulegone, and carvone types) [PMID:38767800, PMID:36846454].

Traditional uses

Traditionally employed to address colds, coughs, fever, indigestion, asthma, and influenza [PMID:39663516].

Active compounds

Primary bioactive constituents include terpenoids, flavonoids, phenolic acids, anthraquinones, alkanes, and polysaccharides [PMID:39663516]. Specific compounds identified include didymin [PMID:41453551, PMID:28627244], menthol, menthone, and isomenthone [PMID:26010670, PMID:24354207], as well as rosmarinic acid and hesperidin [PMID:28627244].

Mechanism of action

Didymin may alleviate neuropathic pain by targeting RKIP-mediated NF-κB/NLRP3 crosstalk to inhibit pyroptosis and neuroinflammation [PMID:41453551]. Acid polysaccharides (MHa) may exert antifatigue effects via activation of AMPK [PMID:39864693]. Menthol has been shown to alleviate H2O2-induced oxidative stress [PMID:35597196].

Clinical evidence

Evidence DAllergic Asthma

Ethanol extract significantly inhibited increases in IgE and Th2-type cytokines (IL-4, IL-5) and alleviated airway inflammatory cell infiltration in mouse models [PMID:21108485]

Evidence DNeuropathic Pain

Didymin significantly alleviated mechanical allodynia in rats with chronic constriction injury [PMID:41453551]

Evidence DFatigue

Acid polysaccharide (MHa) increased exhaustive swimming time and reduced blood lactate and urea nitrogen levels in fatigued mice [PMID:39864693]

Evidence DHyperglycemia

Aerial part extracts significantly inhibit α-glucosidase activity (IC50 = 21.0 μg/mL) [PMID:31037617]

Safety & adverse effects

A review of traditional Chinese medicine indicated that 'Bo He' (Mentha) and 'Hu Bohe You' are among products associated with potential hepatotoxicity [PMID:26357619].

Evidence summary

The current evidence is primarily based on in vitro studies and animal models (Level D), with some comprehensive reviews (Level C). No human clinical trials or meta-analyses were provided.

PubMed sources

1.PMID: 39663516 (2024) — Mentha haplocalyx Briq. (Mint): a comprehensive review on the botany, traditional uses, nutritional value, phytochemistry, health benefits, and applications. · Chinese medicine
2.PMID: 31037617 (2019) — Chemical Constituents from Mentha haplocalyx Briq. (Mentha canadensis L.) and Their α-Glucosidase Inhibitory Activities. · Natural products and bioprospecting
3.PMID: 36150573 (2022) — Characterization and in vitro simulated gastrointestinal digestion and fermentation of Mentha haplocalyx polysaccharide. · International journal of biological macromolecules
4.PMID: 38767800 (2024) — Effects of MhMYB1 and MhMYB2 transcription factors on the monoterpenoid biosynthesis pathway in l-menthol chemotype of Mentha haplocalyx Briq. · Planta
5.PMID: 39771193

Mentha Haplocalyx

Sources & Citations

Lavandula latifolia

Angelica dahurica

Malvaviscus arboreus

Summary

Background

Traditional uses

Active compounds

Mechanism of action

Clinical evidence

Safety & adverse effects

Evidence summary

PubMed sources

Government sources

Mentha Haplocalyx

Sources & Citations

Related Herbs

Lavandula latifolia

Angelica dahurica

Malvaviscus arboreus

Summary

Background

Traditional uses

Active compounds

Mechanism of action

Clinical evidence

Safety & adverse effects

Evidence summary

PubMed sources

Government sources