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Dr. Duke's Phytochemical and Ethnobotanical Databases
U.S. Department of Agriculture

 Petasites japonicus (Asteraceae)

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Common name(s)
Butterbur
How used
Medicinal

Data Views

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List of all chemical
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# Activity Chemical Name Part Low PPM High PPM StdDev *Reference
0 2-BETA-HYDROXYEREMOPHIL-7(11)-EN-8-BETA-12-OLIDE Rhizome -- 0.6 -- *
0 3-BETA-6-BETA-DIHYDROXYEREMOPHIL-7(11)-EN-12,8-ALPHA-OLIDE Rhizome -- 0.7 -- *
0 3-BETA-8-ALPHA-DIHYDROXY-6-BETA-METHOXYEREMOPHIL-7(11)-EN-8-BETA-12-OLIDE Rhizome -- 3.5 -- *
0 3-BETA-8-ALPHA-DIHYDROXY-6-BETA-TIGLOYL-OXYEREMOPHIL-7(11)-EN-12,8-BETA-OLIDE Rhizome -- 2.8 -- *
0 3-BETA-8-BETA-DIHYDROXY-6-BETA-TIGLOYL-OXYEREMOPHIL-7(11)-EN-12,8-BETA-OLIDE Rhizome -- 2.8 -- *
0 3-BETA-HYDROXY-6-ALPHA-METHOXYEREMOPHIL-7(11)-EN-12,8-BETA-OLIDE Rhizome -- 0.8 -- *
0 3-BETA-HYDROXY-6-BETA-8-ALPHA-DIMETHOXYEREMOPHIL-7(11)-EN-12,8-BETA-OLIDE Rhizome -- 683.0 -- *
0 3-BETA-HYDROXY-6-BETA-METHOXYEREMOPHIL-7(11)-EN-12,8-BETA-OLIDE Rhizome 0.8 3.0 -- *
0 3-BETA-HYDROXY-6-BETA-TIGLOYL-OXYEREMOPHIL-7(11)-EN-8-BETA-12-OLIDE Rhizome -- 7.3 -- *
0 3-BETA-HYDROXY-EREMOPHIL-7(11)-EN-12,8-BETA-OLIDE Rhizome -- 0.9 -- *
0 6-ACETYLFURANOFUKINOL Rhizome -- -- -- Chemical Constituents of Oriental Herbs (3 diff. books)
0 6-ANGELYLFURANOFUKINOL Rhizome -- -- -- Chemical Constituents of Oriental Herbs (3 diff. books)
0 6-BETA-(3'-CHLORO-2'-HYDROXY-2'-METHYL-BUTYROYL-OXY)-3-BETA-8-BETA-DIHYDROXYEREMOPHIL-7(11)-EN-12,8-ALPHA-OLIDE Rhizome -- 0.9 -- *
0 6-BETA-8-BETA-DIHYDROXYEREMOPHIL-7(11)-EN-12,8-ALPHA-OLIDE Rhizome -- 1.8 -- *
0 6-BETA-ANGELOYL-OXY-3-BETA-15-EPOXY-9-BETA-15(R)-DIHYDROXYEREMOPHIL-7(11)-EN-12,8-ALPHA-OLIDE Rhizome -- 0.2 -- *
0 6-BETA-ANGELOYL-OXY-3-BETA-8-ALPHA-DIHYDROXYEREMOPHILENOLIDE Rhizome -- 50.0 -- *
0 6-BETA-ANGELOYL-OXY-3-BETA-8-BETA-9-BETA-TRIHYDROXYEREMOPHIL-7(11)-EN-12,8-BETA-OLIDE Rhizome -- 1.2 -- *
0 6-BETA-ANGELOYL-OXY-3-BETA-8-DIHYDROXYEREMOPHILENOLIDE Rhizome -- 50.0 -- *
0 6-BETA-ANGELOYL-OXY-3-BETA-9-ALPHA-DIHYDROXYEREMOPHIL-7(11)-EN-12,8-BETA-OLIDE Rhizome -- 4.0 -- *
0 6-BETA-ANGELOYL-OXY-3-BETA-9-BETA-DIHYDROXYEREMOPHIL-7(11)-EN-12,8-BETA-OLIDE Rhizome -- 2.0 -- *
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*Unless otherwise noted all references are to Duke, James A. 1992. Handbook of phytochemical constituents of GRAS herbs and other economic plants. Boca Raton, FL. CRC Press.