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Dr. Duke's Phytochemical and Ethnobotanical Databases
U.S. Department of Agriculture
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  2. ALPHA-TERPINENE

ALPHA-TERPINENE

Chemical ID
ALPHATERPINENE
Ubiquitous
No
List of known dosages
Dosage Reference
LD50=1,680 mg/kg (orl rat) Zebovitz, T. C. Ed. 1989. Part VII. Flavor and Fragrance Substances, in Keith L. H. and Walters, D.B., eds. Compendium of Safety Data Sheets for Research and Industrial Chemicals. VCH Publishers, New York. 3560-4253.

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List of chemical activities.
Click on column headings to sort table by that column. *Unless otherwise noted all references are to (Duke, 1992)
Activity Dosage Reference
Acaricide *
ACE-Inhibitor 100 ug/ml (weak activity) *
Aldose-Reductase-Inhibitor 100 ug/ml Okamura, K., Iwakami, S., Matsunaga, T. 1992. Biological Activity of Monoterpenes from Trees. Toyama-Ken Yakuji Kenkyusho Nenpo, (20): 95-101.
Antiacetylcholinesterase IC50=1.0 mM *
Antinitrosaminic *
Antispasmodic *
FLavor FEMA 1-40 Aloe Research Council - Duke writeup of non-peer reviewd book by Coats and draft by Henry
Insecticide 0.86 uM/fly *
Insectifuge *
P450-2B1-Inhibitor IC50=0.76 uM *
Perfumery Aloe Research Council - Duke writeup of non-peer reviewd book by Coats and draft by Henry
Pesticide *
Spasmogenic *
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List of chemical plants.
Click on column headings to sort table by that column. *Unless otherwise noted all references are to (Duke, 1992)
Plant Name Plant Part Low Parts Per Million High Parts Per Million Standard Deviation Reference
Helianthus annuus Flower Rizk, A.F.M. and Al-Nowaihi, A.S., The Phytochemistry of the Horticultural Plants of Qatar, Scientific and Applied Research Centre, University of Qatar.
Hypericum perforatum Plant 1.0 18.0 -0.5 *
Hyptis suaveolens Plant 130.0 -0.3 Recently became Internat. J. Crude Drug Res. 28(1,2,3,4):1990, page 74.
Hyptis suaveolens Shoot 0.0 -0.5 Mallvarapu, G.R., Ramesh, S., Kaul, P.N., Bhattacharya, A.K., and Rao, B.R.R. 1993. The Essential Oil of Hyptis suaveolens (L.) Poit. J. Ess. Oil Res. 5: 321.
Hyptis suaveolens Shoot 0.0 -0.5 Mallvarapu, G.R., Ramesh, S., Kaul, P.N., Bhattacharya, A.K., and Rao, B.R.R. 1993. The Essential Oil of Hyptis suaveolens (L.) Poit. J. Ess. Oil Res. 5: 321.
Hyssopus officinalis Leaf 1.0 1880.0 0.7 *
Illicium verum Fruit 70.0 -0.1 *
Juniperus communis Fruit 16.0 640.0 3.1 *
Juniperus sabina Plant *
Laurus nobilis Leaf 14.0 300.0 -0.2 *
Laurus nobilis Leaf Essent. Oil *
Lavandula latifolia Plant 4.0 11.0 -0.5 Lawrence, B.M., Essential Oils 1976-1977, Essential Oils 1978, Essential Oils 1979-1980.
Lavandula x hybrida Shoot 1.0 9.0 -0.5 Tucker, A.O., Maciarello, M.J., Angell, S., Espaillat, J.R., and French, E.C. 1993. The Essential Oil of Lavandula x hybrida Balb. ex Ging., a Distinct Hybrid from L. x heterophylla Poir. (Labiatae). J. Ess. Oil Res. 5: 443-445.
Lavandula x intermedia Plant Lawrence, B.M., Essential Oils 1976-1977, Essential Oils 1978, Essential Oils 1979-1980.
Lepechinia calycina Plant 115.0 -0.3 Lawrence, B.M., Essential Oils 1976-1977, Essential Oils 1978, Essential Oils 1979-1980.
Levisticum officinale Root 1.0 10.0 -0.6 Lawrence, B.M., Essential Oils 1976-1977, Essential Oils 1978, Essential Oils 1979-1980.
Lindera benzoin Fruit 4.0 6.0 -0.4 *
Lindera benzoin Twig 7.0 9.0 *
Litsea glaucescens Shoot 60.0 75.0 -0.3 Tucker, et al, EB46(1):21-24.1992
Magnolia denudata Bark *