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Botanical illustration: Mastic tree (Pistacia lentiscus L.)

BOTANICAL ILLUSTRATION · ANACARDIACEAE

THE HERBARIUM · ANACARDIACEAE

Mastic tree

Pistacia lentiscus L.

This profile concerns the resin (mastic). The uses described depend on the preparation.

Part used
Resin (mastic)
Origin & distribution
Native range not specified in the medicinal documents considered.

Does not replace treatment of an infection or a gastrointestinal ulcer.

BOTANICAL IDENTITY

The right name is the first step.

Also known as: Mastic tree, Chios mastic

Resin, fruit oil and mastic tree essential oil are three different materials.

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.

Traditional use

Digestion

Traditional use of mastic for mild digestive disorders.

Read the source
Traditional use

Minor skin lesions

Traditional external use for minor inflammation and to support superficial wound healing.

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?

Mastic tree is documented here through its resin, mastic, not its leaf or essential oil. EMA recognizes traditional digestive and topical uses. A human trial also studied a well-defined Chios mastic in functional dyspepsia. Its result is a specific signal: it does not turn all mastic tree preparations into treatments for gastric pain or a solution for eradicating Helicobacter pylori.

Traditional use

Mild dyspepsia

The resin has a traditional use for mild digestive complaints. An established digestive diagnosis in a trial cannot be reduced to any stomach ache.

Read the reference
Human studies

Digestive symptoms studied

A controlled trial showed short-term symptomatic improvement with a particular resin. This provides human evidence without guaranteeing an effect for every product.

Read the reference
Traditional use

Skin

Traditional external use concerns local formulations for minor skin conditions; the digestive trial is not evidence for this use.

Read the reference

What this means for preparation.

Look for the words resin or mastic and its traceability. A study on the resin does not describe the action of a leaf herbal tea.

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.

01Human studies

A controlled trial of Chios mastic

Type of research
Randomized, double-blind, placebo-controlled trial: 148 participants meeting functional dyspepsia criteria, three weeks.
Preparation concerned
Resin of Pistacia lentiscus var. chia, taken orally.
Observed results
Improvement was reported in 77% of participants in the mastic group compared with 40% on placebo; symptom scores were also lower.
Limitations to consider
Short duration and defined preparation. The result does not prove ulcer prevention, eradication of a bacterium or efficacy of an essential oil.
Read the reference

What can we take from this?

An improvement in symptoms does not prove their cause has disappeared. Persistent pain, bleeding or weight loss require assessment independently of the choice of plant.

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.

Resin powderResin (mastic) · Route: oral

Powdered resin in a defined preparation.

Please note: Follow the product's package leaflet; preparations are not interchangeable.

Read the source
Topical preparationResin (mastic) · Route: topical

Semisolid form at a defined concentration.

Please note: No improvised application of raw resin.

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

  • Allergy to mastic.

Medicine interactions

  • No established interaction is included in this entry; this does not guarantee compatibility with a treatment.

Adverse effects

  • Adverse effects insufficiently documented in the sources used here.

Pregnancy & breastfeeding

Pregnancy and breastfeeding: medicinal use is not recommended because of insufficient data.

Children & adolescents

Oral use: adults. Topical use documented from 12 years of age.

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 home recipe is provided in this profile. For an appropriate preparation, refer to the product leaflet and ask your pharmacist for advice.

07 · CHECK THE SOURCES

Sources for this profile.

  1. EMA — Mastic: assessment and documentsAccessed on 09/10/2026
  2. EMA — reference document consultedAccessed on 09/10/2026
  3. Dabos et al., 2010 — Chios mastic in functional dyspepsia: a randomized double-blind trialAccessed on 09/10/2026

Illustration: Lumbar~commonswiki · CC BY-SA 3.0. View the original image and its licence. Image resized and converted to WebP.

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