Alder Buckthorn

Botanical Name: Rhamnus Frangula

Botanical Name:
Rhamnus Frangula





Unusual shrub, 1-3 m high (rarely up to 7 m) with rare crown, thin, cylindrical branches.

The flowers are small, 2-10 in the bouquet of white-green petals.

Fruits are spherical balls of 6-8 mm in diameter, at first green, then red and to maturity turn into black-violet, with 2-3 seeds.


  • Europe
  • Africa
  • Asia
  • Great Britain


Active Constituents:

  • Anthraquinone
  • Glycosides A and B
  • Fragrance A and B
  • Flavonoids

Healing Properties:

Due to anthracene derivatives, Alder Buckthorn-based preparations have laxative effects. These derivatives increase the motility of the colon, stimulating the contractions.

It accelerates the intestinal passage as it hurts the contraction time and reduces fluid absorption through the lumen.

It also stimulates chlorine secretions and thereby contributes to the increase in water content and electrolytes in the intestines.

Alder Buckthorn's bark will not be used fresh, but only after one year of drying, or after being exposed to a heat shock of 100 Celsius degrees for 15 minutes before drying.

Due to its content in anthracene derivatives, Alder Buckthorn's bark, depending on the dose, is laxative or purgative due to the stimulation of intestinal peristalsis.

This medicinal herb is found in the composition of many phytotherapeutic products and medicinal infusions.

Precautions and contraindications

Since Alder Buckthorn preparations can interact with certain drugs, including some corticosteroids and antiarrhythmics, it is advisable to seek advice from a plant health specialist before using them.

  • The fresh bark is toxic - do not use it.
  • Avoid Alder Buckthorn in pregnancy and breastfeeding.
  • Do not administer to children under 15 years of age.
  • Consult a specialist before eating Alder Buckthorn.
  • Overdose can cause seizures.
  • Preparations from Alder Buckthorn bark can't be taken more than 7 days in a month.



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