| BERBERINE |
Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp. |
| FERULICACID |
Leung, A. Y. and Foster, S. 1995. Encyclopedia of Common Natural Ingredients 2nd Ed. John Wiley & Sons, New York. 649 pp. |
| MAGNESIUM |
Duke, 1992 * |
| MAGNOFLORINE |
Huang, K. C. 1993. The Pharmacology of Chinese Herbs. CRC Press, Boca Raton, FL 388 pp. |
| POTASSIUM |
Davies, S., and Stewart, A. 1990. Nutritional Medicine. Avon Books, New York. 509pp. |