Cited by 831Pharmacological Effects of Natural CompoundsNatural product bioactivities and synthesisMedicinal Plant Research

Liquorice ( Glycyrrhiza glabra ): A phytochemical and pharmacological review

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Pastorino, Giulia, Cornara, Laura, Soares, Sónia, Rodrigues, Francisca, Oliveira, M. Beatriz P.P.·2018·Phytotherapy Research

Abstract

In the last years, consumers are paying much more attention to natural medicines and principles, mainly due to the general sense that natural compounds are safe. On the other hand, there is a growing demand by industry for plants used in traditional medicine that could be incorporated in foods, nutraceuticals, cosmetics, or even pharmaceuticals. Glycyrrhiza glabra Linn. belongs to the Fabaceae family and has been recognized since ancient times for its ethnopharmacological values. This plant contains different phytocompounds, such as glycyrrhizin, 18β‐glycyrrhetinic acid, glabrin A and B, and isoflavones, that have demonstrated various pharmacological activities. Pharmacological experiments have demonstrated that different extracts and pure compounds from this species exhibit a broad range of biological properties, including antibacterial, anti‐inflammatory, antiviral, antioxidant, and antidiabetic activities. A few toxicological studies have reported some concerns. This review addresses all those issues and focuses on the pharmacological activities reported for G. glabra . Therefore, an updated, critical, and extensive overview on the current knowledge of G. glabra composition and biological activities is provided here in order to explore its therapeutic potential and future challenges to be utilized for the formulation of new products that will contribute to human well‐being.

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  • Glabridin is the principal isoflavane identified in G. glabra roots, ranging between 0.08% and 0.35% of dry weight.

    “Glabridin is the principal isoflavane identified, ranging between 0.08% and 0.35% of G. glabra roots dry weight [4,17].”

    From Licorice (Glycyrrhiza glabra, G. uralensis, and G. inflata) and Their Constituents as Active Cosmeceutical Ingredients (2022) · cites this paper as [4]

    Section 3 (Phytochemistry and Bioactive Compounds; page unavailable) identifies glabridin as the principal compound and gives the claimed range of 0.08%–0.35% of root dry weight. It calls glabridin the principal “isoflavone,” however, not the principal “isoflavane” as the citing sentence states. (LLM, conf=0.90)

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2 of the 157 references couldn’t be matched to a known paper.

Research works printed but not linked: 4

  1. Chouitah, O., Meddah, B., Aoues, A., & Sonnet, P. (2011). Chemical compo- sition and antimicrobial activities of the essential oil from Glycyrrhiza glabra leaves. Journal of Essential Oil-Bearing Plants, 14(3), 284-288.
  2. Harwansh, R. K., Patra, K. C., Pareta, S. K., Singh, J., & Biswas, R. (2011). Pharmacological studies of Glycyrrhiza glabra: A review. Pharmacology, 2, 1032-1038.
  3. Saumendu, D. R., Raj, K. P., Suvakanta, D., Jashabir, C., & Biswajit, D. (2014). Hair growth stimulating effect and phytochemical evaluation of hydro-alcoholic extract of Glycyrrhiza glabra. Global Journal of Research on Medicinal Plants & Indigenous Medicine, 3(2), 40-47.
  4. Shalaby, A. M., Ibrahim, H. S., Mahmoud, E. M., & Mahmoud, A. F. (2004). Some effects of Glycyrrhiza glabra (liquorice) roots extract on male rats. Egyptian Journal of Natural Toxins, 1, 83-94.

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Authors
Pastorino, G., Cornara, L., Soares, S., Rodrigues, F., & Oliveira, M. B. P. P.
Affiliations
  • University of Genoa (IT)
  • National Research Council (IT)
  • Universidade do Porto (PT)
Corresponding author
Rodrigues, Francisca
Venue
Phytotherapy Research
Publisher
Wiley
Published
2018-08-17
Volume
32
Issue
12
Pages
2323-2339
ISSN
  • 0951-418X (ISSN-L)
  • 1099-1573
OpenAlex
W2886070608
Cited by
804
References
157
Citations by year
2026: 103 · 2025: 122 · 2024: 143 · 2023: 114 · 2022: 129 · 2021: 103 · 2020: 67 · 2019: 21 · 2018: 1 · 2017: 1
FWCI
9.32
Type
journal article
Language
en
Open access
Locations
  • Phytotherapy Research (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • CINECA IRIS Institutial Research Information System (University of Genoa) (submittedVersion)
Funders
  • Ministério da Educação e Ciência
  • Fundação para a Ciência e a Tecnologia (Operação NORTE‐01‐0145‐FEDER‐000011)
  • European Regional Development Fund (NORTE‐01‐0145‐FEDER‐000011)
Topics
  • Life Sciences › Pharmacology, Toxicology and Pharmaceutics › Pharmacology › Pharmacological Effects of Natural Compounds
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Natural product bioactivities and synthesis
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Medicinal Plant Research
Keywords
licorice, phytochemicals, glycyrrhizin, 18β-glycyrrhetinic acid, isoflavones, antibacterial activity, anti-inflammatory activity, antiviral activity, antioxidant activity, antidiabetic activity, toxicity, ethnopharmacology, nutraceuticals, traditional medicine
MeSH terms
Animals, Anti-Bacterial Agents, Antioxidants, Antiviral Agents, Enzyme Inhibitors, Glycyrrhiza, Humans, Hypoglycemic Agents, Medicine, Traditional, Plant Extracts, Glycyrrhizic Acid, Ethnopharmacology, Phytochemicals

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