| 18CINEOLE |
Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp. |
| ALPHAPINENE |
Michael Castleman 1991. The Healing Herbs. Rodale Press, Emmaus, PA 436 pp. |
| ASTRAGALIN |
Duke, 1992 * |
| BETAINE |
Duke, 1992 * |
| CARVACROL |
Leung, A. Y. and Foster, S. 1995. Encyclopedia of Common Natural Ingredients 2nd Ed. John Wiley & Sons, New York. 649 pp. |
| ETHANOL |
Schulz, V, Hansel, R and Tyler, VE. 1998. Rational Phytotherapy - A Physician's Guide to Herbal Medicine. 3rd ed. 1st English Edition. Translated by Terry C. Telger. Springer Verlag, Heidelberg. 306 pp. |
| GERANIOL |
Madaus, G. 1976. Lehrbuch der Biologischen Hilfmittel. Vol,. 1-3. 2862 pp. (+ 144 p. index). Georg Olms Verlag, Hildescheim. Reprint of 1938 Madaus. |
| GUAIACOL |
Martindale's 28th |
| LIMONENE |
Duke, 1992 * |
| LINALOOL |
Huang, K. C. 1993. The Pharmacology of Chinese Herbs. CRC Press, Boca Raton, FL 388 pp. |
| MENTHOL |
Yamamoto, A., Umemori, S., and Muranishi, S. 1993. Absorption Enhancement of Intrapulmonary Administered Insulin by Various Absorption Enhancers and Protease Inhibitors in Rats. J. Pharm. Pharmacol. 46: 14-18, 1994. |
| THYMOL |
Leung, A. Y. and Foster, S. 1995. Encyclopedia of Common Natural Ingredients 2nd Ed. John Wiley & Sons, New York. 649 pp. |