An official website of the United States government.
Common Names
Comfrey
How this plant is used
Medicinal
| Chemical Name | Activity Count | Plant Part | Low Parts Per Million | High Parts Per Million | Standard Deviation | Reference |
|---|---|---|---|---|---|---|
| ALLANTOIN | 12 | Leaf | 1100.0 | 20000.0 | 1.00 | Duke, 1992 * |
| ALLANTOIN | 12 | Root | 6000.0 | 25500.0 | 1.41 | Duke, 1992 * |
| ALUMINUM | 5 | Leaf | 26.0 | 237.0 | -0.53 | Duke, 1992 * |
| ALUMINUM | 5 | Root | not available | 237.0 | -0.19 | Pedersen, M. 1987. Nutritional Herbology. Pederson Publishing. Bountiful, Utah. 377 pp. |
| ASCORBIC-ACID | 112 | Leaf | 88.0 | 800.0 | -0.37 | Duke, 1992 * |
| ASCORBIC-ACID | 112 | Root | not available | 132.0 | -0.57 | Pedersen, M. 1987. Nutritional Herbology. Pederson Publishing. Bountiful, Utah. 377 pp. |
| ASH | 0 | Leaf | 3960.0 | 36000.0 | -1.46 | Duke, 1992 * |
| ASH | 0 | Root | not available | 140000.0 | 2.07 | Pedersen, M. 1987. Nutritional Herbology. Pederson Publishing. Bountiful, Utah. 377 pp. |
| ASPARAGINE | 2 | Root | 10000.0 | 30000.0 | 0.00 | Duke, 1992 * |
| BETA-CAROTENE | 53 | Leaf | 12.0 | 108.0 | -0.67 | Duke, 1992 * |
| BETA-CAROTENE | 53 | Root | not available | 660.0 | 3.78 | Pedersen, M. 1987. Nutritional Herbology. Pederson Publishing. Bountiful, Utah. 377 pp. |
| BORNESITOL | 0 | Root | not available | not available | not available | Grenand, P., Moretti, C., and Jacquemin, H. 1987. Pharmacopees Traditionnelles en Guyane. l'ORSTROM, Paris. 569 pp. |
| CAFFEIC-ACID | 102 | Root | not available | not available | not available | Duke, 1992 * |
| CALCIUM | 28 | Leaf | 1980.0 | 18000.0 | -0.03 | Duke, 1992 * |
| CALCIUM | 28 | Root | not available | 11300.0 | 0.43 | Pedersen, M. 1987. Nutritional Herbology. Pederson Publishing. Bountiful, Utah. 377 pp. |
| CARBOHYDRATES | 0 | Leaf | 83490.0 | 759000.0 | 1.17 | Duke, 1992 * |
| CARBOHYDRATES | 0 | Root | not available | 759000.0 | -0.91 | Pedersen, M. 1987. Nutritional Herbology. Pederson Publishing. Bountiful, Utah. 377 pp. |
| CAROTENES | 0 | Plant | not available | 6300.0 | 1.00 | Duke, 1992 * |
| CHLOROGENIC-ACID | 77 | Root | not available | not available | not available | Duke, 1992 * |
| CHOLINE | 20 | Root | not available | not available | not available | Duke, 1992 * |
| Activity | Chemical Count | Reference |
|---|---|---|
| Antistroke | 2 | Challem, J., Berkson, Burt, and Smith, Melissa Dianne. 2000. Syndrome X - The complete nutritional program to prevent and reservse insulin resistance. John Wiley & Sons, New York. 272 pp. $24.95 |
| Antisunburn | 2 | Duke, 1992 * |
| Antisyndrome-X | 6 | Challem, J., Berkson, Burt, and Smith, Melissa Dianne. 2000. Syndrome X - The complete nutritional program to prevent and reservse insulin resistance. John Wiley & Sons, New York. 272 pp. $24.95 |
| Antithiamin | 1 | Phenolic Compounds in Food and Their Effects on Health, 69. |
| Antithyreotropic | 1 | Duke, 1992 * |
| Antithyroid | 4 | Jim Duke's personal files. |
| Antitic | 1 | Davies, S., and Stewart, A. 1990. Nutritional Medicine. Avon Books, New York. 509pp. |
| Antitinnitic | 2 | Duke, 1992 * |
| Antitriglyceride | 2 | Werbach, M. 1993. Healing with Food. Harper Collins, New York, 443 pp. |
| Antitumor | 7 | Simon, P.W. Carrots and Other Horticultural Crops as a Source of Provitamin A Carotenes. HortScience, 25(12): 1495, 1990. |
| Antitumor (brain) | 1 | Duke, 1992 * |
| Antitumor (Breast) | 2 | Duke, 1992 * |
| Antitumor (CNS) | 1 | Duke, 1992 * |
| Antitumor (Colon) | 2 | Duke, 1992 * |
| Antitumor (Forestomach) | 1 | Duke, 1992 * |
| Antitumor (Gastric) | 1 | Duke, 1992 * |
| Antitumor (Liver) | 1 | Duke, 1992 * |
| Antitumor (Lung) | 3 | Duke, 1992 * |
| Antitumor (Prostate) | 2 | Duke, 1992 * |
| Antitumor (Skin) | 2 | Duke, 1992 * |