Berberis crataegina

Among the Kurdish communities of the Hakkari region and southwestern Turkey, decoctions of the *Berberis crataegina* root have been used traditionally to treat gastrointestinal complaints, such as diarrhea and stomach aches, with sources noting its perceived carminative and anti-inflammatory properties (Gürhan et al., 2004). In Iranian traditional medicine, particularly in the Khorasan province, infusions or decoctions of the roots and bark have been employed for the same digestive indications, as well as occasionally for fever reduction (Zargaran et al., 2011). Pieroni and Quave (2008) documented among Albanian herbalists the application of poultices made from fresh crushed leaves or bark to minor wounds and skin inflammations. Additional records from northern Iranian nomads describe decoctions made from the bark or roots as a treatment for urinary tract infections (Fattahi et al., 2012). These preparations consistently highlight the root and bark as the key medicinal parts.

One traditional and practical preparation method involves preparing a mild tea or decoction using 1-2 teaspoons (2-4 grams) of the chopped *Berberis crataegina* root. Place the root material in 250 ml of cold water and bring to a boil, then simmer gently for 10-15 minutes. Strain and drink this warm infusion 1-3 times daily. A well-documented 1:5 ethanol tincture is also traditional in Iran, made by macerating 20 grams of the dried root in 100 ml of 60-70% ethanol for 7-14 days, shaking daily, and straining for a final liquid extract. **Important Safety Note:** This plant contains berberine alkaloids. Avoid use during pregnancy and breastfeeding. Berberine may interact with certain medications (e.g., some antibiotics, anticoagulants) and can lower blood sugar; use cautiously if diabetic or hypoglycemic. Discontinue if digestive upset or allergic reaction occurs (Zargaran et al., 2011).

The primary active constituents responsible for these traditional uses are well-established alkaloids: berberine, berbamine, and oxyacanthine (Çoban et al., 2007). Berberine is a strong broad-spectrum antimicrobial and possesses documented antidiarrheal and anti-inflammatory effects, which directly align with the traditional uses against infections and gastrointestinal inflammation. Berbamine and oxyacanthine contribute antimicrobial and anti-inflammatory actions. These compounds plausibly explain the effectiveness of root decoctions for diarrhea and fevers, as well as the wound-healing application of leaf poultices.

Modern relevance remains active; research continues globally into the pharmacology of Berberis alkaloids, validating aspects of its traditional applications (Ünlü & Akçiğit, 2019). While commercial products specifically labeled *Berberis crataegina* remain scarce, dried root material is available through specialized herbal suppliers focusing on traditional Middle Eastern and Caucasian botanicals. Furthermore, the plant is still collected and used by local communities for the preparations described above, demonstrating its enduring cultural and practical value in regional ethnobotanical practice.

Common products:
The berries (fruits) of Berberis crataegina are edible and used locally as food; they are typically used fresh or processed into preserves or jams, and sometimes as flavoring in traditional beverages.

Food and beverages (non-medicinal):
The ripe fruits are harvested and consumed directly or preserved (jams, syrups), and may be incorporated into traditional beverages; the plant is not used as a source of starch, flour, or seed oil. No health claims or dosage information are included.

Colorants and tanning:
Dyes are not documented for this taxon; tannins are not documented for this taxon.

Wood and fiber:
The plant is a shrub and does not furnish timber; bast fibers are not documented.

Fragrance and cosmetics:
No documented fragrance or cosmetic uses.

Properties relevant to use:
Edible fruit with tart flavor suitable for preserves; no properties relevant to dyes, tannins, fibers, or industrial materials are documented for this species.

Standards and regulation:
Not applicable.

Sustainability and sourcing:
Not documented for this taxon.

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No reference genome is available on NCBI yet. We are constantly monitoring for new data.

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