471-53-4 Enoxolone AKSci J10770
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  J10770    AKSci Reference Standard
, >98% (HPLC), powder
18-beta-Glycyrrhetinic acid

CAS Number:471-53-4
MDL Number:MFCD00003706
Min. Purity Spec:>98% (HPLC), powder
Physical Form (at 20°C):Solid
Melting Point:292-302°C
Optical Rotation:+164° (c=1, CHCl3)
Long-Term Storage:Store long-term in a cool, dry place
Not hazardous material

Application(s):Pentacyclic triterpenoid derivative


 Glycyrrhetinic acid inhibits the enzymes (15-hydroxyprostaglandin dehydrogenase and delta-13-prostaglandin) that metabolize the prostaglandins PGE-2 and PGF-2alpha to their respective 15-keto-13,14-dihydro metabolites which are inactive. This causes an increased level of prostaglandins in the digestive system. Prostaglandins inhibit gastric secretion but stimulate pancreatic secretion and mucous secretion in the intestines and markedly increase intestinal motility. They also cause cell proliferation in the stomach. The effect on gastric acid secretion, promotion of mucous secretion and cell proliferation shows why licorice has potential in treating peptic ulcer. PGF-2alpha stimulates activity of the uterus during pregnancy and can cause abortion, therefore, licorice should not be taken during pregnancy. The structure of glycyrrhetinic acid is similar to that of cortisone. Both molecules are flat and similar at position 3 and 11. This might be the basis for licorice''s anti-inflammatory action. -beta-D-(monoglucuronyl)-18-beta-glycyrrhetinic acid, a metabolite of glycyrrhetinic acid, inhibits the conversion of active cortisol to inactive cortisone in the kidneys. This occurs via inhibition of the enzyme by inhibiting the enzyme 11-beta-hydroxysteroid dehydrogenase. As a result, cortisol levels are high within the collecting duct of the kidney. Cortisol has intrinsic mineralocorticoid properties (that is, it acts like aldosterone and increases sodium reabsorption) that work on ENaC channels in the collecting duct.

[1]Guo, N., Takechi, M. and Uno, C. (1991). Protective effect of glycyrrhizine in mice with systemic Candida albicans infection and its mechanism. J. Pharm. Pharmacol. 12 (5): 380-383. PMID 1839259.



Signal Word

Hazard Statements
H302; H319

Precautionary Statements
P264; P270; P280; P301+P312; P305+P351+P338; P330; P337+P313; P501

Current as of June 21, 2024

AKSci Reference Standards are high-purity, low-impurity compounds suitable for use as standards.

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 APIs and Bioactives > Terpenes