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
PHOSPHORUS 4 Root not available 2111.0 -0.25 Pedersen, M. 1987. Nutritional Herbology. Pederson Publishing. Bountiful, Utah. 377 pp.
POTASSIUM 14 Leaf 1870.0 17000.0 -0.59 Duke, 1992 *
POTASSIUM 14 Root not available 15900.0 0.01 Pedersen, M. 1987. Nutritional Herbology. Pederson Publishing. Bountiful, Utah. 377 pp.
PROTEIN 0 Leaf 15400.0 140000.0 -0.72 Duke, 1992 *
PROTEIN 0 Root not available 94000.0 -0.27 Pedersen, M. 1987. Nutritional Herbology. Pederson Publishing. Bountiful, Utah. 377 pp.
PYROCATECHINS 0 Root not available 24000.0 not available Duke, 1992 *
REDUCING-SUGARS 0 Root not available 51500.0 not available Duke, 1992 *
RESIN 0 Root not available not available not available Duke, 1992 *
RIBOFLAVIN 15 Leaf 0.8 7.2 -0.14 Duke, 1992 *
RIBOFLAVIN 15 Root not available 7.2 0.68 Pedersen, M. 1987. Nutritional Herbology. Pederson Publishing. Bountiful, Utah. 377 pp.
ROSMARINIC-ACID 57 Leaf not available 5000.0 -0.34 Duke, 1992 *
SELENIUM 60 Leaf 0.1 1.2 -0.29 Duke, 1992 *
SELENIUM 60 Root not available 5.7 0.04 Pedersen, M. 1987. Nutritional Herbology. Pederson Publishing. Bountiful, Utah. 377 pp.
SILICIC-ACID 1 Leaf not available 40000.0 not available Duke, 1992 *
SILICIC-ACID 1 Root not available not available not available Duke, 1992 *
SILICON 4 Leaf 1.0 9.0 -0.39 Duke, 1992 *
SILICON 4 Root not available 35.0 -0.18 Pedersen, M. 1987. Nutritional Herbology. Pederson Publishing. Bountiful, Utah. 377 pp.
SITOSTEROL 0 Root not available not available not available Duke, 1992 *
SODIUM 1 Leaf 12.0 110.0 -0.63 Duke, 1992 *
SODIUM 1 Root not available 3510.0 1.12 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
Uricogenic 1 Pizzorno, J.E. and Murray, M.T. 1985. A Textbook of Natural Medicine. John Bastyr College Publications, Seattle, Washington (Looseleaf).
Uricosuric 1 Davies, S., and Stewart, A. 1990. Nutritional Medicine. Avon Books, New York. 509pp.
Urinary-Acidulant 1 Martindale's 29th
Uterorelaxant 1 Werbach, M. 1993. Healing with Food. Harper Collins, New York, 443 pp.
Vasodilator 6 Duke, 1992 *
VEGF-Inhibitor 1 Duke, 1992 *
Vulnerary 6 Duke, 1992 *
Xanthine-Oxidase-Inhibitor 2 Duke, 1992 *