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Licorice Root – Properties and Applications. Beverage from Licorice Root
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Lucretia is primarily recognized as a sweetening ingredient utilized in the manufacture of candies. Nevertheless, the plant itself boasts a multitude of beneficial health qualities. Owing to its high concentration of components, including flavonoids and polyphenols, it possesses anti-inflammatory and antioxidant properties. Taken orally, it can support digestive system function and regulate blood sugar levels. Presently, numerous of its varieties are cultivated throughout Europe, Asia, and the Middle East.
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Glycyrrhiza glabra root: A botanical powerhouse with medicinal and dermatological applications
The root of *Glycyrrhiza glabra*, commonly referred to as licorice root, originates from the Mediterranean region and is distinguished by its lack of pronounced odor, yellowish hue, and remarkable sweetness—attributed to glycyrrhizin, a glycoside compound that exhibits sweetness intensity approximately fifty times greater than that of sucrose (table sugar). The primary bioactive constituent extracted from this botanical source is glycyrrhizic acid, which demonstrates substantial water-retention capacity within the epidermal layers, thereby functioning as a highly efficacious humectant in both cosmetic and pharmaceutical dermatological formulations. Beyond this key compound, licorice root comprises a diverse array of phytochemicals with documented health-promoting properties: flavonoids possessing antioxidant and anti-inflammatory activities; polysaccharides that support skin microbiome equilibrium; phytosterols contributing to epidermal barrier integrity; pectins with prebiotic effects; volatile essential oils; free amino acids critical for collagen biosynthesis; and an assortment of essential minerals. This multifaceted biochemical profile underpins the root’s traditional use in alleviating respiratory ailments—where it serves as an expectorant to facilitate mucus clearance and soothe irritated mucosal tissues—as well as its emerging role in adjunctive therapies for immune-mediated inflammatory conditions.
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Glycyrrhizin-free licorice (DGL – deglycyrrhizinated variant)
Deglycyrrhizinated licorice (DGL) constitutes a modified preparation of licorice root from which glycyrrhizin—a compound associated with adverse effects upon prolonged or excessive consumption—has been either entirely removed or substantially reduced. Clinical investigations and pharmacological evidence consistently demonstrate that high-quality DGL supplements should not exceed a glycyrrhizin content threshold of 2%. This restriction effectively mitigates the risk of side effects commonly linked to traditional licorice intake, including but not limited to hypertensive episodes, hypokalemia (diminished serum potassium levels), fluid retention leading to edema, and electrolyte imbalances. Consequently, the deglycyrrhizinated form is particularly recommended for the management of chronic gastrointestinal conditions—such as peptic ulcers, gastroesophageal reflux disease (GERD), or mucosal inflammation—where sustained, long-term supplementation may be clinically indicated. Notably, the glycyrrhizin extraction process does not compromise the integrity of licorice’s remaining bioactive constituents, which include a diverse array of flavonoids (e.g., liquiritin, glabridin), triterpenoid saponins, prebiotic polysaccharides, phytosterols that modulate lipid metabolism, pectin-rich fibers that regulate intestinal motility, as well as essential amino acids and trace minerals (magnesium, calcium, iron). Thus, DGL retains a comprehensive profile of therapeutic benefits while eliminating the hazards associated with glycyrrhizin accumulation in the body.
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The multifaceted therapeutic applications of licorice: from immune support to hormonal regulation and digestive health
Scientifically validated properties of triterpenoids found in licorice confirm its capacity to enhance the body’s immune defenses, thereby potentially reducing the susceptibility to viral infections such as influenza. Research published in the esteemed journal *Food Chemistry* underscores its exceptional antioxidant capabilities and its ability to scavenge reactive oxygen species, thereby shielding cells from oxidative damage. Furthermore, licorice root, renowned for its expectorant qualities, facilitates the clearance of mucus from the respiratory tract, alleviating persistent coughing, while its anti-inflammatory effects may provide immediate relief for throat irritation. The most commonly recommended formulations include concentrated drops, licorice-based cough syrups, and herbal infusions. Additionally, the phytoestrogens present in licorice exhibit estrogen-like activity, positioning it as a potential adjunct in addressing menstrual irregularities, infertility, and symptoms of premenstrual syndrome (PMS). A study featured in *Health Care for Women International* suggests that licorice may offer a more effective alternative to hormone replacement therapy in mitigating menopausal symptoms, including hot flashes. Further findings, reported in *Evidence-Based Complementary and Alternative Medicine*, validate its efficacy in managing functional dyspepsia, encompassing symptoms such as heartburn, indigestion, and abdominal discomfort. Licorice accelerates gastrointestinal motility, soothes mucosal irritation within the digestive tract, and suppresses inflammatory responses. In the context of contemporary health challenges—where chronic stress plays a pivotal role in the development of numerous conditions, including peptic ulcers—research published in *Molecular and Cellular Endocrinology* reveals that bioactive compounds in licorice modulate cortisol levels, thereby contributing to stress reduction and enhanced psychological resilience.
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Sweet Root Infusion: Traditional Licorice Tea and Its Health Applications
Dried and crushed licorice leaves and roots are widely available as tea in herbal shops and health food stores, though consumers should exercise caution by reviewing product labels—many items marketed as "licorice tea" contain no actual licorice extracts, instead relying on artificial flavorings to mimic its taste. This infusion is frequently employed to alleviate gastrointestinal discomfort, including indigestion and heartburn, as well as to soothe sore throats and mitigate flu-like symptoms. **Homemade Licorice Tea Recipe:** **Ingredients:** One heaped tablespoon of ground licorice root, one cup of water. **Preparation:** Combine the root with water, bring to a boil, then simmer on low heat for approximately ten minutes. Remove from heat and steep for an additional five minutes before straining through a fine sieve—the tea is now ready for consumption. **Precautions:** Pregnant and breastfeeding women should avoid licorice-based products due to an elevated risk of complications, including miscarriage. Young children are also advised against consumption. Given potential adverse effects, medical consultation is recommended prior to use. While licorice is occasionally used to support cold relief, heartburn reduction, or menstrual pain management, many of its purported medicinal benefits lack robust scientific validation. Prolonged or excessive intake may result in undesirable side effects; therefore, adherence to recommended dosages and moderation are strongly advised.
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Scientifically reviewed by a clinical dietitian
• 25.09.2026
Literatura: Kadur Ramamurthy Raveendra, Jayachandra, Venkatappa Srinivasa, Kadur Raveendra Sushma, Joseph Joshua Allan, Krishnagouda Shankargouda Goudar , Hebbani Nagarajappa Shivaprasad, Kudiganti Venkateshwarlu, Periasamy Geetharani , Gopalakrishna Sushma, Amit Agarwal. An Extract of Glycyrrhiza glabra (GutGard) Alleviates Symptoms of Functional Dyspepsia: A Randomized, Double-Blind, Placebo-Controlled Study. Evid Based Complement Alternat Med . 2012; 2012: 216970. Pu JY, He L, Wu SY, Zhang P, Huang X. Anti-virus research of triterpenoids in licorice. Bing Du Xue Bao. 2013 Nov;29(6):673-9. Brinckmann J, Sigwart H , van Houten Taylor L. Safety and efficacy of a traditional herbal medicine (Throat Coat) in symptomatic temporary relief of pain in patients with acute pharyngitis: a multicenter, prospective, randomized, double-blinded, placebo-controlled study. J Altern Complement Med. 2003 Apr;9(2):285-98 Arentz S, Abbott JA, Smith CA, Bensoussan A. Herbal medicine for the management of polycystic ovary syndrome (PCOS) and associared oligo/amenorrhoea and hyperandrogenism; a review of the laboratory evidence for effects with corroborative clinical findings. BMC Complement Altern Med. 2014 Dec 18;14:511 Menati L, Khaleghinezhad K, Tadayon M, Siahpoosh A. Evaluation of contextual and demographic factors on licorice effects on reducing hot flashes in postmenopause women. Health Care Women Int. 2014 Jan;35(1):87-99. Wegener T, Heimueller E. Treatment of Mild Gastrointestinal Disorders with a Herbal Combination: Results of a Non-interventional Study with Gastritol® Liquid. Phytother Res. 2016 Jan;30(1):72-7. Ao Guo, Dongming He, Hong-Bo Xu, Chang-An Geng, Jian Zhao. Promotion of regulatory T cell induction by immunomodulatory herbal medicine licorice and its two constituents. Sci Rep. 2015; 5: 14046. Somi MH, Bagheri M, Ghojazadeh M. Efficacy of an Iranian herbal preparation (Lax-Asab) in treating functional constipation: A randomized, placebo-controlled clinical trial. J Tradit Complement Med. 2015 Feb 21;5(3):153-6
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