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DOI: 10.1055/s-2003-40653
© Georg Thieme Verlag Stuttgart · New York
Antiallergic Activity of Ginseng and its Ginsenosides
Publication History
Received: November 19, 2002
Accepted: March 8, 2003
Publication Date:
16 July 2003 (online)
Abstract
In this study, we measured the antiallergic activities of ginsenosides isolated from the root of Panax ginseng ( Araliaceae), and of their metabolites, as produced by human intestinal bacteria. Compound K, which was identified as a main metabolite, had the most potent inhibitory activity on β-hexosaminidase release from RBL-2H3 cells and on the PCA reaction. The inhibitory activity of compound K was more potent than that of disodium cromoglycate, one of the commercial anti-allergic drugs. This compound demonstrated a membrane stabilizing action on differential scanning calorimetry. However, compound K did not inhibit the activation of hyaluronidase and did not scavenge active oxygen. These results suggest that the antiallergic action of compound K originates from its cell membrane stabilizing activity and that the ginsenosides of ginseng are prodrugs with extensive antiallergic properties.
Abbreviations
compound K:20-O-β-D-glucopyranosyl-20(S)-protopanaxadiol
DNP:dinitrophenol
DSCG:disodium cromoglycate
DPPC:dipalmitoylphosphatidylcholine
DPPH:1,1-diphenyl-2-picrylhydrazyl
HSA:human serum albumin
IC50:50% inhibitory concentration
EC50:50% effective concentration
XOD:xanthine oxidase
ICR:Institute of Cancer Research
PBS:phosphate buffered saline
PCA:passive cutaneous anaphylaxis
RAW264.7:mouse monocyte leukemiaRBL-2H3: rat basophil leukemia
SD:Sprague-Dawley
Key words
Panax ginseng - Araliaceae - ginsenosides - compound K - antiallergic activity - intestinal bacteria
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Prof. Dr. Dong-Hyun Kim
College of Pharmacy
Kyung-Hee University
1 Hoegi
Dongdaemun-ku
Seoul 130-701
Korea
Email: dhkim@khu.ac.kr
Fax: +82-2-957-5030