Glycyrrhiza glabra (Licorice)
Glycyrrhiza glabra, commonly known as licorice, is a
perennial herb native to parts of Asia and Europe. It has
been used for thousands of years in traditional medicine,
particularly in China, India, and the Mediterranean
region.
• Botanical Characteristics
- Family: Fabaceae (Leguminosae)
- Leaves: Pinnate with numerous leaflets
- Flowers: Blue to violet, arranged in axillary racemes
- Roots: Thick, fibrous, and sweet-tasting, which is the
primary part used medicinally
• Active Compounds
- Glycyrrhizin: A saponin glycoside that is 30-50 times
sweeter than sucrose
- Flavonoids: Including liquiritin and isoliquiritin
- Other Compounds: Polysaccharides, coumarins, and
volatile oils
• Traditional Uses
- Digestive Health: Used to treat ulcers, gastritis, and
indigestion
- Respiratory Health: Commonly used in remedies for
coughs, sore throats, and bronchitis
- Anti-inflammatory: Applied in conditions like arthritis
and eczema
- Antiviral and Antibacterial: Used for its potential to
combat infections
• Modern Medicinal Uses
- Anti-inflammatory and Immune Modulation:
Glycyrrhizin can inhibit inflammatory responses and
modulate the immune system
- Gastroprotective: Used in the treatment of peptic ulcers
and gastritis
- Endocrine Effects: Can affect cortisol metabolism, which
influences stress response and adrenal function
- Hormonal Effects: Sometimes used in managing
conditions like polycystic ovary syndrome (PCOS)
• Precautions and Side Effects
- Hypertension: Excessive consumption can lead to high
blood pressure due to glycyrrhizin-induced sodium
retention and potassium loss
- Pseudoaldosteronism: A condition characterized by
symptoms similar to excessive aldosterone
- Interactions with Medications: Can interfere with drugs
metabolized by the liver, including corticosteroids and
certain antihypertensives
• Culinary Uses
- Flavoring Agent: Used in candies, beverages, and other
foods for its distinctive sweet flavor
- Traditional Sweets: Prominent in various traditional
sweets and confections, especially in Europe and the
Middle East
due to potential side effects, particularly related to its
influence on blood pressure and electrolyte balance.