Botanical Overview
Linum usitatissimum (flaxseed or linseed) is a plant in the Linaceae family cultivated widely in temperate regions worldwide including Europe, Asia, and North America. The seed (semen) is the primary medicinal part used traditionally and in modern herbalism. Common names include Flaxseed and Linseed.
Energetics
The seeds possess a cooling temperature and moistening quality, with a mucilaginous and slightly bitter taste. They have a relaxing tonicity and are associated mainly with nourishing bodily fluids.
Primary Actions
- Anti-inflammatory
- Cholesterol-lowering
- Demulcent
- Emollient
- Laxative
- Antioxidant
Indications
Western
- Constipation
- Dry cough
- High cholesterol
- Inflammation
- Diabetes (glycemic control)
- Urinary tract irritation
Syndromes
- Irritable bowel syndrome
- Hyperlipidemia
- Mild hypertension
- Chronic inflammation
TCM
- Dryness in lungs and intestines
- Constipation due to yin deficiency
- Dry cough with scanty sputum
Syndromes
- Lung yin deficiency
- Intestinal dryness
Ayurveda
- Constipation
- Vata disorders
- Dry skin
Syndromes
- Vata imbalance
- Kapha disorders (demulcent use)
- Pitta disorders (cooling effect)
Unani
- Constipation
- Dry cough
Syndromes
- Safra imbalance
- Suleimani cough
Constituents & Mechanisms
Linum usitatissimum seeds contain alpha-linolenic acid (an omega-3 fatty acid), lignans such as secoisolariciresinol diglucoside, mucilage, dietary fiber, flavonoids, and phenolic acids. These constituents contribute to its anti-inflammatory, laxative, antioxidant, and lipid-lowering effects.
Dosage & Preparations
- Ground seed: 1-2 tablespoons daily
- Oil: 1-2 teaspoons daily
- Infusion (soaked seed): 2-4 g, 1-2 times daily
Safety & Contraindications
Flaxseed is generally safe in typical dietary amounts. Seeds should be ground or soaked to improve absorption. Use cautiously in cases of intestinal obstruction or hypersensitivity to flaxseed. May cause mild gastrointestinal symptoms such as bloating. Avoid during acute bowel inflammation. Use high medicinal doses cautiously in pregnancy and lactation.
Astrological Correspondences
No confidently sourced planetary or elemental rulers are documented.
Selected References
- European Medicines Agency (EMA) Herbal Monograph: Linum usitatissimum L., semen
- Plants For A Future (PFAF) Database: Linum usitatissimum – Flax
- Siddiqui et al., PubMed Review (2018): Health benefits of flaxseed: a comprehensive review
- WebMD: Flaxseed