An official website of the United States government.

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

Plant Symphytum officinale (Boraginaceae)

Common Names
Comfrey
How this plant is used
Medicinal
View the list of ubiquitous chemicals
List of plant chemicals.
Click on column headings to sort table by that column. *Unless otherwise noted all references are to (Duke, 1992)
Chemical Name Activity Count Plant Part Low Parts Per Million High Parts Per Million Standard Deviation Reference
STIGMASTEROL 12 Root not available not available not available Duke, 1992 *
SUCROSE 14 Root not available not available not available Duke, 1992 *
SUGARS 0 Leaf 9900.0 90000.0 0.36 Duke, 1992 *
SYMLANDINE 0 Plant not available not available not available Duke, 1992 *
SYMPHYTINE 1 Root not available not available not available Duke, 1992 *
SYMPHYTOCYNOGLOSSIN 0 Root not available 21.0 not available Duke, 1992 *
TANNIN 35 Plant 80000.0 90000.0 0.09 Duke, 1992 *
THIAMIN 31 Root not available 1.2 -0.49 Pedersen, M. 1987. Nutritional Herbology. Pederson Publishing. Bountiful, Utah. 377 pp.
THIAMINE 0 Leaf 0.2 2.2 -0.73 Duke, 1992 *
TIN 4 Leaf 0.7 6.7 -1.07 Duke, 1992 *
TIN 4 Root not available 6.7 -0.99 Pedersen, M. 1987. Nutritional Herbology. Pederson Publishing. Bountiful, Utah. 377 pp.
VIRIDIFLORINE 0 Plant not available not available not available Duke, 1992 *
WATER 0 Leaf not available 890000.0 0.41 Duke, 1992 *
WATER 0 Root not available 862000.0 0.61 Duke, 1992 *
XYLOSE 3 Root not available not available not available Duke, 1992 *
ZINC 77 Leaf not available not available not available Duke, 1992 *
ZINC 77 Root not available 2.8 -0.94 Pedersen, M. 1987. Nutritional Herbology. Pederson Publishing. Bountiful, Utah. 377 pp.
View the list of ubiquitous chemicals
List of plant activities.
Click on column headings to sort table by that column. *Unless otherwise noted all references are to (Duke, 1992)
Activity Chemical Count Reference
Fungicide 3 Duke, 1992 *
Gastroprotective 1 Duke, 1992 *
Glucosyl-Transferase-Inhibitor 1 Duke, 1992 *
Hepatocarcinogenic 1 Duke, 1992 *
Hepatoprotective 5 Advance in Chinese Medicinal Materials Research. 1985. Eds. H. M. Chang, H. W. Yeung, W. -W. Tso and A. Koo. World Scientific Publishing Co., Philadelphia Pa., page 210.
Hepatotoxic 5 Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp.
Hepatotropic 1 Duke, 1992 *
Histamine-Inhibitor 2 Duke, 1992 *
Hypercholesterolemic 1 Pizzorno, J.E. and Murray, M.T. 1985. A Textbook of Natural Medicine. John Bastyr College Publications, Seattle, Washington (Looseleaf).
Hyperglycemic 1 Merck 11th Edition
Hypertensive 1 Davies, S., and Stewart, A. 1990. Nutritional Medicine. Avon Books, New York. 509pp.
Hypocholesterolemic 8 Davies, S., and Stewart, A. 1990. Nutritional Medicine. Avon Books, New York. 509pp.
Hypoglycemic 5 Duke, 1992 *
Hypolipidemic 1 Duke, 1992 *
Hypotensive 9 Duke, 1992 *
Hypouricemic 1 Duke, 1992 *
Ileorelaxant 1 Duke, 1992 *
Immunomodulator 6 Duke, 1992 *
Immunostimulant 10 Duke, 1992 *
Immunosuppressant 2 Duke, 1992 *