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T.a.Trachyspermum ammi (L.) SpragueBOTANICAL PROFILE · NO ILLUSTRATION

BOTANICAL PROFILE · APIACEAE

THE HERBARIUM · APIACEAE

Ajowan

Trachyspermum ammi (L.) Sprague

Annual in the Apiaceae family. Recorded native range: Iraq to Central Asia and Myanmar. The listed pharmacopoeial material is fruit.

Limited evidenceThis profile explains the limits of the available knowledge. It is not a recommendation for therapeutic use.

Part used
Fruit
Origin & distribution
Iraq to Central Asia and Myanmar

Research applies to a specific preparation; no self-treatment is recommended.

BOTANICAL IDENTITY

The right name is the first step.

Also known as: No synonyms listed.

Check the species, plant part and complete botanical name together. A photograph alone cannot identify a harvest safely for consumption.

An illustration is not enough to identify a plant for consumption. Do not forage for a species based solely on this profile.

01 · UNDERSTAND

Properties & uses.

Insufficient evidence

Pharmacopoeial material: fruit

The material sometimes sold as a “seed” is botanically a fruit. Essential-oil findings would not be interchangeable with whole-fruit use. This notice infers no therapeutic indication.

Read the source
Preclinical research

Dental biofilm: an experimental model

Extracts altered biofilm-related gene expression; rats developed fewer carious lesions. This work establishes neither human clinical efficacy nor the safety of a homemade mouthwash.

Read the source

The traditional uses described are not clinical proof of effectiveness. Evidence for one preparation cannot automatically be applied to another.

02 · UNDERSTAND THE ACTION

How does the plant act?

This reference concerns a defined preparation of Trachyspermum ammi (L.) Sprague. The result is experimental: a compound, an extract and a whole plant differ, as do a laboratory assay and a human benefit.

Preclinical research

Dental biofilm: an experimental model

Cultured bacteria and a human mouth are different systems; extraction solvents change the tested product.

Read the reference

What this means for preparation.

Cultured bacteria and a human mouth are different systems; extraction solvents change the tested product.

03 · EXAMINE THE EVIDENCE

What the research shows.

A laboratory or animal result alone does not demonstrate a benefit in humans. Each result must be read alongside the preparation studied and its limitations.

01Preclinical research

Dental biofilm: an experimental model — 2012

Type of research
Streptococcus mutans experiments and a rat caries model.
Preparation concerned
Crude extract and solvent fraction of fruits, called seeds in the paper.
Observed results
Extracts altered biofilm-related gene expression; rats developed fewer carious lesions.
Limitations to consider
This work establishes neither human clinical efficacy nor the safety of a homemade mouthwash.
Read the reference

What can we take from this?

This work establishes neither human clinical efficacy nor the safety of a homemade mouthwash. Interactions, pregnancy and long-term use require separate assessment.

Documentary review dated 09/10/2026. The references remain available to check the context.

04 · CHOOSE A PREPARATION

One plant, several preparations.

Only forms documented in this profile’s sources are presented.

Studied preparation — documentary referenceFruit · Route: not recommended for self-treatment

Crude extract and solvent fraction of fruits, called seeds in the paper.

Please note: Research description only; no self-treatment dose, recipe or duration is offered.

Read the source

05 · BEFORE ANY USE

Precautions & contraindications.

This guidance does not cover every individual situation. Missing information is not a guarantee of safety.

Contraindications

  • This botanical dossier does not establish medicinal-use safety. Anyone with a medical condition or taking medicine needs professional assessment of the specific product.

Medicine interactions

  • Interactions have not been sufficiently assessed in the sources retained for this notice; an incomplete assessment guarantees no compatibility.

Adverse effects

  • This notice does not provide a complete adverse-effect assessment. Historical use alone cannot exclude toxicity.

Pregnancy & breastfeeding

No medicinal use is offered during pregnancy or breastfeeding; this dossier cannot establish safety in these situations.

Children & adolescents

No paediatric preparation or dose is offered in this notice.

If symptoms persist, worsen or are unusual, consult a healthcare professional. In an emergency, contact the emergency services.

06 · PUTTING KNOWLEDGE INTO PRACTICE

Preparations & recipes.

No recipe or home use is recommended in this documentary profile.

07 · CHECK THE SOURCES

Sources for this profile.

  1. ANSM — French Pharmacopoeia, List A, January 2026, p. 3Accessed on 09/10/2026
  2. Kew POWO — Trachyspermum ammi (L.) SpragueAccessed on 09/10/2026
  3. Khan R et al. (2012) — In vitro and in vivo inhibition of Streptococcus mutans biofilm by Trachyspermum ammi seeds: an approach of alternative medicineAccessed on 09/10/2026

A TOUCH OF SOLÉA

Myriam’s tip

Myriam is reviewing the tip for this profile.

Myriam

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