Angelica dahurica

Botanical Overview

Angelica dahurica (family Apiaceae) is a medicinal plant native to East Asia, especially China, Korea, and Japan. Commonly known as Bai Zhi or Dahurian Angelica, the mature root is primarily used in traditional herbal medicine.

Energetics

The root has a warming and drying energetic profile with acrid and bitter tastes. Its actions are ascending and tonifying, primarily influencing the qi.

Primary Actions

  • Analgesic
  • Anti-inflammatory
  • Antimicrobial
  • Diaphoretic
  • Expectorant
  • Vasodilator

Indications

Western

  • Headache
  • Nasal congestion
  • Toothache
  • Pain
  • Skin infections

Syndromes

  • Upper respiratory tract infections
  • Allergic rhinitis
  • Sinusitis
  • Inflammation

TCM

  • Frontal headache
  • Nasal discharge and congestion
  • Toothache
  • Abdominal pain

Syndromes

  • Wind-cold exterior syndrome
  • Nasal obstruction
  • Wind-heat attack with pain
  • Yangming channel headache

Ayurveda

No established indications documented.

Unani

No established indications documented.

Constituents & Mechanisms

Angelica dahurica contains furanocoumarins (including imperatorin, oxypeucedanin, bergapten, psoralen) and volatile oils, which contribute to its antimicrobial, anti-inflammatory, and analgesic properties.

Dosage & Preparations

  • Decoction: 3–10 g daily
  • Powder: 1–3 g 1–2 times daily
  • Tincture (1:5 in 40% alcohol): 2–5 mL 1–3 times daily

Safety & Contraindications

Use caution due to photosensitizing potential. Avoid during pregnancy, especially due to possible uterine stimulation. Monitor for interactions with anticoagulant and photosensitizing medications. Generally safe in standard traditional doses.

Astrological Correspondences

Not established due to lack of reliable traditional sources.

Selected References

  • Angelicae Dahuricae Radix (Bai Zhi), Chinese Herbal Medicine Materia Medica, Bensky, Clavey, Stöger (2004)
  • Angelica Root Monograph, MedlinePlus
  • Chemical constituents and pharmacological activities of Angelica dahurica, Li et al., Phytochemistry (2011)