Journal of Nutritional Science and Vitaminology
Online ISSN : 1881-7742
Print ISSN : 0301-4800
Antibacterial Compounds of Licorice against Upper Airway Respiratory Tract Pathogens
Yasuo TANAKAHiroe KIKUZAKISeiji FUKUDANobuji NAKATANI
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2001 Volume 47 Issue 3 Pages 270-273

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Abstract

The antibacterial activity of compounds obtained from licorice was measured against upper airway respiratory tract bacteria such as Streptococcus pyogenes, Kaemophilus irnfluenzae and Moraxella catarrhalis, Among the tested compounds, licoricidin exhibited the highest activity against all tested microorganisms with an MIC of 12.5, μg/mL. Three coumarin derivatives, glycyrol, glycyrin and glycycoumarin also showed antibacterial activ-ity.

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