Nigella sativa

Botanical Overview

Nigella sativa (Ranunculaceae), commonly known as Black seed, Black cumin, or Habbatul barakah, is native to Southwest Asia, the Mediterranean, North Africa, and the Middle East. Commonly used parts include the seeds and oil extracted from them.

Energetics

This herb has a warming temperature and drying moisture quality, with bitter and pungent tastes. Its energetic properties are ascending and outward in directionality, functioning as a tonifying herb that primarily supports the qi.

Primary Actions

  • Anti-inflammatory
  • Antioxidant
  • Antimicrobial
  • Immune modulating
  • Antispasmodic
  • Bronchodilator

Indications

Western

  • Allergic rhinitis
  • Asthma
  • Cough
  • Digestive upset
  • Hypertension
  • Inflammation
  • Infections

Syndromes

  • Respiratory inflammation
  • Immune deficiency
  • Gastrointestinal discomfort
  • Hypertension

TCM

  • Cough
  • Asthma
  • Digestive disturbances

Syndromes

  • Lung Qi deficiency
  • Spleen Qi deficiency

Ayurveda

  • Cough
  • Asthma
  • Diarrhea
  • Skin conditions

Syndromes

  • Kapha imbalance
  • Vata disorders

Unani

  • Dyspnea
  • Cough
  • Gastrointestinal issues

Syndromes

  • Phlegmatic disorders
  • Gastrointestinal weakness

Constituents & Mechanisms

Key phytochemical constituents include thymoquinone, alkaloids, saponins, flavonoids, essential oils, fatty acids, and proteins, which contribute to its antioxidant, anti-inflammatory, antimicrobial, and immune-modulating effects.

Dosage & Preparations

  • Oil extract: 500 mg to 2 g daily
  • Seed powder: 1-3 g daily
  • Tincture: 1:5 hydroalcoholic 2-5 mL, 1-3 times daily
  • Decoction/infusion: 1-2 g of seeds in hot water, 1-2 times daily

Safety & Contraindications

Generally considered safe when used in culinary amounts and moderate therapeutic doses. Possible allergic reactions have been reported. Caution is advised during pregnancy due to possible uterine stimulant activity; safety during lactation is not well established. Potential interactions with antihypertensive, hypoglycemic, and anticoagulant medications require monitoring. Use with caution in individuals with bleeding disorders.

Astrological Correspondences

No firmly established planetary or elemental rulers identified in authoritative esoteric sources.

Selected References

  • Phytotherapy: A Quick Reference to Herbal Medicine
  • World Health Organization Monographs on Selected Medicinal Plants
  • Herbal Medicine: Biomolecular and Clinical Aspects
  • Ayurvedic Pharmacopoeia of India