| ASCORBICACID |
Werbach, M. 1993. Healing with Food. Harper Collins, New York, 443 pp. |
| BETACAROTENE |
Pizzorno, J.E. and Murray, M.T. 1985. A Textbook of Natural Medicine. John Bastyr College Publications, Seattle, Washington (Looseleaf). |
| GINKGOLIDEA |
Duke, 1992 * |
| GINKGOLIDEB |
Williamson, E. M. and Evans, F. J., Potter's New Cyclopaedia of Botanical Drugs and Preparations, Revised Ed., Saffron Walden, the C. W. Daniel Co., Ltd., Essex UK, 362 pp, 1988, reprint 1989. |
| GINKGOLIDEC |
Duke, 1992 * |
| GINKGOLIDES |
Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp. |
| MAGNESIUM |
Pizzorno, J.E. and Murray, M.T. 1985. A Textbook of Natural Medicine. John Bastyr College Publications, Seattle, Washington (Looseleaf). |
| OPCS |
Duke, 1992 * |
| PROTOCATECHUICACID |
Duke, 1992 * |
| QUERCETIN |
Duke, 1992 * |
| SELENIUM |
Duke, 1992 * |